A 16.73 carat very light pink diamond is expected to sell for CHF 1.1m to CHF 1.8m ($1.3m to $2m) in Sotheby’s Geneva Magnificent Jewels Sale.
Another highlight of the sale, which features many colored diamonds, is a 1.44 carat fancy red diamond (the rarest of all diamond colors) from Australia’s iconic Argyle mine.
They’ll be offered for sale next week (13 November) in a live auction of 88 lots, including pieces by Cartier, Van Cleef & Arpels, Tiffany, Bulgari and JAR, spanning 250 years of jewelry history.
The pink diamond is claw-set in a ring, VVS1-clarity, natural color with a brilliant cut. The red diamond is also claw-set in a ring, with a cut-cornered rectangular mixed cut, together with an Argyle mine presentation case.
“The sale is a celebration of exceptional craftsmanship, with signed jewels from the most esteemed makers of the 20th century,” says Sotheby’s. The sale also offers a number of coloured diamonds of outstanding quality and size, within the rarest of colors.”
The Perth Mint continues its Jewelled series of coins with a 10 ounce gold Jewelled Turtle coin with a mintage of eight coins.
And it comes with a price tag of $269,000 Australian ($182,229 U.S.).
This is the seventh release in the Jewelled series. It features a handset rare trademarked Argyle Pink Diamond and lustrous white diamonds that form the head and limbs of the three dimensional 18 karat gold turtle.
Each Jewelled Turtle coin is a Proof 10 ounce .9999 fine gold $2,500 denominated coin, with the centerpiece the 18-karat gold sea turtle surrounded by depictions of coral and dory fish.
The turtle’s head and limbs are embellished with 52 white diamonds, and two emeralds for its eyes. Additional white diamonds are set in a ribbon shaped line symbolizing the sea surface, with an Argyle Pink Diamond set at the heart of a stylized sun.
The Jewelled Series is developed each year in association with John Glajz, a Singapore based Argyle Pink Diamonds Icon Partner.
Each Jewelled Turtle coin is presented in a luxury display case adorned with 18 karat gold furnishings and inset with two Argyle Pink Diamond.
For the first time in the series, the coin bears the Dan Thorne effigy of King Charles III, as well as the P125 privy mark for the Perth Mint’s 125th anniversary.
Christie’s will offer “The Eden Rose,” a 10.20-carat round brilliant fancy intense pink diamond, as the top lot of its New York Magnificent Jewels auction on June 11. Its estimate is $9 million to $12 million. It is the first time this diamond has appeared at auction.
The Gemological Institute of America report supplied by Christie’s states that the diamond is also internally flawless.
Describing it as an “exceptionally rare gemstone,” Christie’s says the gem, named after the symbol for unconditional love, it is the most significant round brilliant internally flawless fancy intense pink diamond to be offered at auction since the “Martian Pink,” which sold at Christie’s Hong Kong in 2012 for $17.4 million, equating to $1.45 million per carat.
The diamond exhibits a pure pink hue, unlike many natural pink diamonds that typically display secondary hues such as purple, orange or gray. “The Eden Rose stands out for its complete absence of any secondary color, rendering it exceptionally rare,” Christie’s said in a statement.
Rahul Kadakia, Christie’s International head of Jewelry, said in a statement that he is “anticipating significant interest from around the world.”
Christie’s says the round brilliant cut is known for its ability to maximize light reflection and is considered the ideal cut for diamonds.
The Eden Rose is mounted on a ring further adorned with eight brilliant-cut diamonds, ranging in weight from 3.11 to 0.73 carats, and two marquise brilliant-cut diamonds of 2.24 and 1.02 carats.
A 6.21-carat pink diamond will be the star of the second jewelry auction Phillips will hold in Geneva, where it is expected to fetch up to CHF 13.6 million ($15 million).
The fancy-vivid-pink, VS1-clarity, type IIa diamond ring is among several important and rare pieces on offer at the sale, called Geneva Jewels Auction: Two, which will take place on May 13, Phillips said Tuesday. The auction will be at the Hotel President Geneva for the first time, and it will include over 100 specially curated items from well-knowns design houses such as Cartier, JAR, Suzanne Belperron, and Van Cleef & Arpels.
Prior to the sale, Phillips will exhibit the jewels in New York; London; Taipei, Taiwan; and Singapore. The auction house will also hold a simultaneous selling exhibition called “Symbols, Colour and Form,” which will feature jewels from contemporary designers Alix Dumas and DYNE.
Here are the rest of the of the top five items Phillips will feature at the main sale:
Dubai-based manufacturer Choron has signed an agreement with Storm Mountain Diamonds to cut and polish a 108.39-carat stone from the Kao mine in Lesotho.
Storm Mountain, a joint venture between Namakwa Diamonds and the Lesotho government, recovered the type IIa diamond in March. The stone is one of the largest pink diamonds ever discovered, Storm Mountain said last week.
“Storm Mountain continues to consistently deliver extraordinary diamonds, and this diamond further cements the Kao mine as the primary producer of pink diamonds globally,” said Storm Mountain board chairman Robert Cowley. “We are thrilled to enter into this agreement with Choron, and we look forward to the next chapter of this diamond’s story.”
Storm Diamonds will retain a minority share in the stone, while Choron will manufacture and market it, Choron CEO Anshul Gandhi told Rapaport News. The company has not disclosed the other terms of the partnership.
“It is a privilege for Choron to unlock the secrets within this remarkable pink diamond, and we look forward to revealing the story of this historic diamond,” said Ghandi. “Our artisans will meticulously transform this rough diamond into an array of polished diamonds that will be remembered for generations to come.”
A 3.06-carat pink diamond ring will be the star of an upcoming jewelry sale at Heritage Auctions, where it is set to fetch as much as $300,000.
The modified marquise-shaped, fancy-pink stone, surrounded by 0.55 carats of full-cut diamonds, will lead the December 4 Holiday Fine Jewelry Signature Auction in Dallas, Texas, Heritage said Monday.
Other standout items include pieces by Cartier, Van Cleef & Arpels, and Tiffany & Co., and diamond earrings created in 1950 by Parisian jeweler Jean Schlumberger. One of the more interesting lots is an enamel and 18-karat gold helicopter by Pierno Frascarolo & Co.
A 29.52-carat pink diamond went for more than $8 million at South Africa-based Pioneer Diamond Tender House, the highest price for any stone the company has sold.
The fancy-vivid-pink, type II rough — named the Protea Pink after South Africa’s national flower of the same color — raked in $271,307 per carat, Pioneer said Wednesday.
A junior mining company recovered the diamond from a deposit on the banks of the middle Orange River, according to Lyndon de Meillon, a shareholder in Pioneer. The stone is believed to come from a 90 million-year-old Lesotho kimberlite that broke off and made its way down the river, where it got trapped in a terrace approximately 500 kilometers from its original location, he explained.
“This unique diamond…once again showcased why the alluvial diamond deposits of South Africa represent the highest and most consistent value-per-carat diamond supply in the world,” de Meillon added.
JOHANNESBURG- A junior diamond mining company has recovered a spectacular pink diamond from the banks of the Middle Orange River.
The diamond, named Protea Pink, is a fancy pink, 29.52 ct type II diamond, with unusual depth of colour and exceptional clarity. Its colour is reminiscent of the pink hues found in South Africa’s national flower, the protea.
This diamond was most likely derived from the 90-million-year-old Lesotho kimberlites and made a remarkable journey down the Orange river to be trapped in an ancient river terrace, approximately 500 km from its source, South African Diamond Producers Organisation (Sadpo) vice-chairperson and geologist Lyndon de Meillon stated in a release to Mining Weekly.
Sadpo, an organisation that aims to streamline the diamond diggers industry, is headed by CEO Yamkela Makupula, who is a director of Pioneer Tender House, where Protea Pink will be sold on tender in South Africa during the week of 26/30 June. The sale will end on Friday 30 June.
The Middle Orange River, which is known as the area with the highest average value per carat in the world, also has the lowest grade in carat per hundred tonnes of any area actively mined, De Meillon explained.
The modern-day alluvial diamond miner utilises no chemicals in the recovery process and rehabilitation of the mining areas has been proven to improve the carrying capacity of the land, De Meillon added.
Unemployment rates in the area are alarmingly high, exceeding 70%, with mining operations, such as this one by a junior miner, playing a crucial role in supporting the local economy by providing job opportunities and stimulating economic growth.
The revenue generated from diamond mining can contribute to infrastructure development, education, healthcare, and other essential services in the community.
Storm Mountain Diamonds (SMD), jointly owned by Namakwa Diamonds Limited and the Government of Lesotho, has recovered a 108.39-carat fancy pink diamond at its Kao Mine in the Southern African country.
The diamond is one of the largest pink roughs ever found in Africa, which include the “Lulo Rose”, 170-carat precious stone recovered by Australia’s Lucapa Diamond in Angola last year.
SMD said the diamond was recovered from a 1.5 tonne sample of kimberlite ore that was processed at the mine’s plant.
It is a Type IIa stone, which means it has very few impurities and a high level of clarity, the company said.
The Kao Mine is one of the largest diamond mines in Lesotho and produces about 400,000 carats of diamonds annually.
Coloured diamonds, especially pink ones, have repeatedly set record-setting prices in recent years as they are rarer than white ones. While they come in many hues, pink and blue are the most coveted.
“The Eternal Pink,” a 10.57-carat internally flawless fancy vivid purplish-pink diamond, will be offered at Sotheby’s New York on June 8. Its estimate is $35 million, which if achieved, would make it one of the most valuable gems ever sold at auction.
Its per-carat estimate of more than $3.3 million is the largest such estimate ever placed on a diamond or gemstone, according to Sotheby’s.
Quig Bruning, head of Sotheby’s Jewelry, Americas, says it’s the most vivid pink diamond to ever to come to market. “This color is the most beautiful and concentrated shade of pink in diamonds that I have ever seen.”
The cushion-shaped diamond will first be on view in Hong Kong April 1 – 7 to coincide with the 50th anniversary of Sotheby’s presence in Asia. The gem will then travel to Dubai, Singapore, Shanghai, Taiwan and Geneva before being offered as the top lot at Sotheby’s New York Magnificent Jewels auction on June 8.
The 23.78-carat rough which yielded The Eternal Pink was mined by De Beers at the Damtshaa mine in Botswana. Diamond manufacturer, Diacore, took six months to cut and polish the gem into its current color, described as “bubblegum” by the auction house.
“This stunning diamond is the best of the best when it comes to exceptional pink diamonds and it is difficult to overstate its rarity and beauty,” said Wenhao Yu, chairman of Jewellery and Watches at Sotheby’s Asia.
Sotheby’s has had some experience with important pink diamonds. The auction house sold the record-breaking CTF Pink Star, a 59.60-carat oval mixed-cut Fancy Vivid Pink Internally Flawless diamond, sold for $71.2 million—a world auction record for a diamond and any gemstone or jewel—in Hong Kong in April 2017. More recently, Sotheby’s sold the Williamson Pink Star, an 11.15-carat fancy vivid pink internally flawless diamond, for $57.7 million in a single-lot auction at Sotheby’s Hong Kong on October 8, 2022, setting the world record price per carat for any diamond or gemstone at more than $5.1 million.
Colored diamonds continue to demand high prices at auction with exceptional pink and blue diamonds leading the way. It is because of their rarity, according to Sotheby’s. Of all the diamonds submitted to the Gemological Institute of America, fewer than 3% are classified as colored diamonds. Within these colored diamonds, pink is one of the rarest to occur naturally in diamonds. A diamond that is more than 10 carats, with strong color, internally flawless clarity, and classified as a “vivid pink,” the highest grade for a pink diamond is extremely rare.
Average prices for fancy coloured diamonds of any size climbed by 3.9% in 2022, led by yellows and pinks, the Fancy Color Research Foundation (FCRF), a non-profit that promotes transparency and fair trade in the market, said on Wednesday.
The industry body said prices for all yellow diamonds climbed by 4.6% from the previous year, followed by a 3.9% rise in pinks and 1.8% in blues.
The improved prices reached by these diamonds, the FCRF said, contrast with the annual decline in white diamonds prices.
“2022 was a very good year for yellow fancy colour diamonds in all sizes and saturations. It seems like yellow diamonds with high visual grades and in certain shapes increased by more than what is reflected in the Index,” FCRF data supplier, Israel Papushado, said in a statement.
“Pink fancy colour diamonds performed with no significant change in comparison to previous years; however, blue diamonds did not perform as expected, probably due to limitations in the Chinese market,” he noted.
The prices reported by the FCRF are based on its own Fancy Colour Diamond Index, which is built on tracked data for yellow, pink, and blue fancy colour diamonds’ performance in major global trading centres such as Hong Kong, New York, Geneva and Tel Aviv.
Nature bestows fancy colours on about one in every 10,000 rough diamonds of gem quality that are mined around the world.
The precious stones that can be blue, pink or green form a special asset class, relying on a consumer preference for exotic and unusual items. This also means they are less affected by other factors driving supply and demand in the main diamond market.
Rio Tinto’s Unique $1.24m Midnight Sun Diamond Ring
Pink and yellow diamonds from two iconic Rio Tinto mines – Argyle and Diavik – have been brought together to create a unique ring.
It’s called Diavik Midnight Sun and has been valued at $1.24m.
An 18.08 carat fancy intense yellow oval diamond from Diavik, in sub-Arctic Canada, contrasts with an intricate setting of rare Argyle pink diamonds, from the now-closed mine in in the remote East Kimberley region of Western Australia, weighing 4.09 carats in total.
The yellow diamond was cut from a 36.75-ct rough gem, described as one of the finest large yellow diamonds uncovered at Diavik.
Rio Tinto’s general manager of sales and marketing for its diamonds business, Patrick Coppens said “This combination of a rare yellow Diavik diamond and Argyle Pink Diamonds, the rarest diamonds in the world, is a special moment in the history of Rio Tinto’s unique place in the natural fancy coloured diamond industry.
He paid tribute to luxury jeweler Musson for creating the ring. The Diavik Midnight Sun takes its inspiration from the exquisite natural phenomenon that occurs when the sun is seen at midnight in the Arctic, exhibiting beautiful golden and pink hues.
11.15-Carat Internally Flawless Pink Diamond Could Fetch $21 Million
The second largest internally flawless fancy vivid pink diamond to ever appear at auction was unveiled Wednesday in London by Sotheby’s. The 11.15-carat Williamson Pink Star will be sold in a single-lot auction in Hong Kong on October 5. Its estimate is $21 million.
The auction house says it has the potential to set a new per carat price record for a fancy vivid pink diamond.
“We do have the confidence that it will find a great collector and have the interest of multiple parties,” Wenhao Yu, chairman of Jewellery and Watches at Sotheby’s Asia, told Forbes on Tuesday. “It has the potential to reach a very strong price.”
He adds, “This diamond truly checks all the boxes. It has the best qualities you can have in a pink diamond.”
The current price per carat auction record for a fancy vivid pink diamond is $2,656,909 for the 18.96-carat Winston Pink Legacy, sold in 2018 by Christie’s Geneva. The largest internally flawless, fancy vivid pink diamond offered at auction is the 59.60-carat CTF Pink Star. It was sold by Sotheby’s Hong Kong in 2017 for $71.2 million, a world record for any gem or jewel sold at auction.
Yu compares the Williamson Pink Star to an exceptional work of art.
“We timed this lot to be offered between Sotheby’s modern and contemporary art auctions. That’s because instead of offering just another important diamond, we view this diamond as a work of art from mother earth and a wonder of nature,” Yu says. “It’s comparable to a Monet or a Picasso and is even more rare.”
The Williamson mine is one of the oldest operating diamond mines in the world, famous for producing what is described as “bubblegum” pink diamonds, according to the auction house. One of the best-known diamonds from the mine is the 23.6-carat Williamson Pink Diamond fashioned into a brooch by Cartier and owned by Queen Elizabeth II.
“We wanted to relate the important provenance of the Williamson mine when naming the diamond,” Yu says. “The unique saturated pink color is one of the important qualities of diamonds from this mine. It is an honor for us that after so many decades another important pink diamond comes from the Williamson mine and we can offer it at auction.”
The cushion-shaped diamond was crafted from a 32.32-carat rough diamond by Diacore, a diamond manufacturer that specializes in crafting rare, exceptional fancy-colored diamonds. The company purchased the gem in late 2021 for $13.8 million. Yu says crafting the diamond is just as important as discovering it, and Diacore is one of the few companies in the world capable of cutting and polishing such an important gem.
“Not every rough can yield a diamond of this high quality so we should also give credit to Diacore,” he says. “They really made cutting and polishing into an art. They are very skilled and experienced with the best technology and a lot of courage. It’s rare to have a vivid pink color. It’s rarer when it’s over 10 carats and even more rare if it’s internally flawless. It’s luck to find this kind of diamond that was formed underground for millions of years, and it takes a great amount of art and creativity to fashion it into a gorgeous stone with so many exceptional qualities.”
Pink diamonds are among the rarest colors to occur naturally in diamonds. Of all the diamonds submitted to the Gemological Institute of America (which analyzes and grades diamonds), fewer than 3% are classified as colored diamonds, and fewer than 5% of those are considered predominantly pink.
The Argyle Mine in Australia, before it was retired in 2020 after exhausting its supply of gem-quality diamonds, produced more than 90% of the world’s pink diamonds. The absence of pink diamonds from this mine makes important pink diamonds like the one being offered even more rare, Yu says.
“Pink diamonds are still growing in demand in the market, and this now makes the Williamson Pink Star even more sought after,” he says.
The diamond is being presented in an 18k gold ring flanked by trapeze-cut diamonds and embellished with brilliant-cut diamonds.
London is the first stop where the diamond will be viewed by the public. It will then travel to Dubai, Singapore and Taipei before the final viewing and sale in Hong Kong.
Lucapa Diamond Company has recovered one of the largest pink diamonds in history: a 170-carat stone from the Lulo mine in Angola.
The type IIa rough, named the Lulo Rose, is “believed to be the largest pink diamond recovered in the last 300 years,” Lucapa said Wednesday. It is also the fifth-largest diamond from Lulo, and the deposit’s 27th over 100 carats since commercial production began in 2015. Lucapa plans to sell the diamond through an international tender conducted by Angolan state diamond-marketing company Sodiam, it noted.
In addition to the pink, Lulo is also the source of Angola’s largest diamond, a 404-carat rough named the 4th February Stone.
Lucapa has begun bulk sampling at “priority kimberlites” as it searches for the primary source of Lulo’s diamonds, managing director Stephen Wetherall added.
Lucara keeps raking in the big diamond finds, this time recovering a 62.7-carat fancy pink diamond from its Karowe mine in Botswana.
It is the largest fancy pink gem to found in Botswana, according to the diamond miner, and one of the largest rough pink diamonds on record in the world.
The stone has been named “Boitumelo,” which means joys in Setswana.
Measuring 26 x 17 x 16 mm, it is described as a high-quality fancy pink Type IIa gem.
Lucara uncovered it from the direct ore milling at the EM/PK(S) unit of the South Lobe, the site of many of its biggest finds.
The company said a 22.21-carat fancy pink gem of similar quality was found during the same production period, as were two more pink gems of similar color weighing 11.17 carats and 5.05 carats.
Asked if those additional small pink diamonds could’ve broken off from the same piece as the 62.7-carat diamond, a company spokesperson said: “As the diamonds all came from a similar production period it may be possible, but we cannot confirm this at this time. Further detailed analysis needs to be carried out to confirm if they did indeed originally stem from one diamond.”
Regarding the find, CEO Eira Thomas said, “Lucara is delighted to announce another historic diamond with the recovery of the Boitumelo, and very pleased to demonstrate the continued potential for large, colored diamonds from the South Lobe production.
“These remarkable pink diamonds join a collection of significant diamond recoveries in 2021 produced from the EM/PK(S), which forms a key economic driver for the proposed underground mine at Karowe.”
Lucara keeps raking in the big diamond finds, this time recovering a 62.7-carat fancy pink diamond from its Karowe mine in Botswana.
It is the largest fancy pink gem to found in Botswana, according to the diamond miner, and one of the largest rough pink diamonds on record in the world.
The stone has been named “Boitumelo,” which means joys in Setswana.
Measuring 26 x 17 x 16 mm, it is described as a high-quality fancy pink Type IIa gem.
Lucara uncovered it from the direct ore milling at the EM/PK(S) unit of the South Lobe, the site of many of its biggest finds.
The company said a 22.21-carat fancy pink gem of similar quality was found during the same production period, as were two more pink gems of similar color weighing 11.17 carats and 5.05 carats.
Asked if those additional small pink diamonds could’ve broken off from the same piece as the 62.7-carat diamond, a company spokesperson said: “As the diamonds all came from a similar production period it may be possible, but we cannot confirm this at this time. Further detailed analysis needs to be carried out to confirm if they did indeed originally stem from one diamond.”
Regarding the find, CEO Eira Thomas said, “Lucara is delighted to announce another historic diamond with the recovery of the Boitumelo, and very pleased to demonstrate the continued potential for large, colored diamonds from the South Lobe production.
“These remarkable pink diamonds join a collection of significant diamond recoveries in 2021 produced from the EM/PK(S), which forms a key economic driver for the proposed underground mine at Karowe.”
Prices of fancy-color diamonds increased in the first quarter as the American market showed renewed demand for high-end products, according to the Fancy Color Research Foundation (FCRF).
The group’s Fancy Color Diamond Index gained 0.3% compared with the previous three months, the organization reported Thursday. Prices of blue fancy-color diamonds jumped 0.5%, while pinks increased 0.4%, outweighing a 0.2% decline in the yellow category.
“As the USA rebounds from Covid-19, we are witnessing an uplift in spirits, which in turn affects the demand for luxury goods,” said David Shara, founder and CEO of Optimum Diamonds, one of the companies that supplies pricing data to the FCRF. “We see now, and will see, a continuous rise in prices of fancy-color diamonds.”
The strongest items during the quarter were 2-carat, fancy-intense colored diamonds, for which prices advanced 2.6%, following by 3-carat, fancy-intense stones, which saw a 1.9% increase. The weakest was the 2-carat fancy category, which witnessed a drop of 1.1%.
The fancy-color market ground to a halt during the peak of the Covid-19 pandemic last year, forcing the FCRF to hold off publishing its index for the first and second quarters. Prices in the fourth quarter were 0.8% lower than during the same period of 2019.
Prices of fancy-color diamonds increased in the first quarter as the American market showed renewed demand for high-end products, according to the Fancy Color Research Foundation (FCRF).
The group’s Fancy Color Diamond Index gained 0.3% compared with the previous three months, the organization reported Thursday. Prices of blue fancy-color diamonds jumped 0.5%, while pinks increased 0.4%, outweighing a 0.2% decline in the yellow category.
“As the USA rebounds from Covid-19, we are witnessing an uplift in spirits, which in turn affects the demand for luxury goods,” said David Shara, founder and CEO of Optimum Diamonds, one of the companies that supplies pricing data to the FCRF. “We see now, and will see, a continuous rise in prices of fancy-color diamonds.”
The strongest items during the quarter were 2-carat, fancy-intense colored diamonds, for which prices advanced 2.6%, following by 3-carat, fancy-intense stones, which saw a 1.9% increase. The weakest was the 2-carat fancy category, which witnessed a drop of 1.1%.
The fancy-color market ground to a halt during the peak of the Covid-19 pandemic last year, forcing the FCRF to hold off publishing its index for the first and second quarters. Prices in the fourth quarter were 0.8% lower than during the same period of 2019.
A 2.17-carat fancy vivid purplish pink diamond fetched $3.5m at auction, well above its high estimate of $2.5m.
It was the most expensive of a “Perfect Palette” of three colored diamonds that raised a total of $8.4m last week at Christie’s New York April Magnificent Jewels.
The pink diamond (pictured) was a cut-cornered square modified brilliant-cut stone, natural color, SI1 clarity, set with round diamonds in a platinum and 18k yellow gold ring.
A fancy vivid blue cut-cornered rectangular modified brilliant-cut diamond of 2.13 carats, natural color, VS1 clarity, set in a platinum ring with round diamonds, sold for $2.67m (high estimate $3m).
And a fancy vivid orange cut-cornered rectangular modified brilliant-cut diamond of 2.34 carats, natural color, VS1 clarity, set in platinum and 18k yellow gold, sold for $2.19m (high estimate $2.5m).
The sale of over 200 lots – including signed pieces by Belperron, Bulgari, Cartier, Graff, Harry Winston, Hemmerle, JAR, Lacloche, Tiffany & Co., and Van Cleef & Arpels – brought in a total of $35m.
Christie’s said there were bids from 40 countries and 94 per cent of lots were sold.
A 2.17-carat fancy vivid purplish pink diamond fetched $3.5m at auction, well above its high estimate of $2.5m.
It was the most expensive of a “Perfect Palette” of three colored diamonds that raised a total of $8.4m last week at Christie’s New York April Magnificent Jewels.
The pink diamond (pictured) was a cut-cornered square modified brilliant-cut stone, natural color, SI1 clarity, set with round diamonds in a platinum and 18k yellow gold ring.
A fancy vivid blue cut-cornered rectangular modified brilliant-cut diamond of 2.13 carats, natural color, VS1 clarity, set in a platinum ring with round diamonds, sold for $2.67m (high estimate $3m).
And a fancy vivid orange cut-cornered rectangular modified brilliant-cut diamond of 2.34 carats, natural color, VS1 clarity, set in platinum and 18k yellow gold, sold for $2.19m (high estimate $2.5m).
The sale of over 200 lots – including signed pieces by Belperron, Bulgari, Cartier, Graff, Harry Winston, Hemmerle, JAR, Lacloche, Tiffany & Co., and Van Cleef & Arpels – brought in a total of $35m.
Christie’s said there were bids from 40 countries and 94 per cent of lots were sold.