Both rough Diamonds weight 117 carats and 110 carats are D color Type IIa diamonds.
Type IIa diamonds carbon bonds contain little or no nitrogen atoms making them very white and rare. These are the most expensive white diamonds.
Source: DCLA
Tiffany & Co paid a record $1.97m for a gold pocket watch it made in 1912, and which was gifted to the captain of a ship that rescued mo...
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