Sarine Claims Superior Accuracy for Grading Tools

Sarine Technologies’ new automated color- and clarity-grading systems are yielding more reliable results than manual graders, the company has claimed.

Sarine Clarity, which uses technology to analyze flaws in polished diamonds, showed a 97% correlation with the grades given by a reference group of human gemologists, while Sarine Color matched them 99% of the time, Sarine said Sunday.

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Rio Tinto Debuts Biggest Red Diamond in Tender History

 

The 2.11 carat radiant cut fancy red Argyle Everglow, the top lot of the 2017 Argyle Pink Diamonds Tender New York.

Four graded fancy red and another four as purplish red. There were also two violet diamonds and one blue, with the remaining 41 graded pink.

Following the preview held this week in New York, the diamonds will travel to Hong Kong and then come back to New York in September, before returning to Australia where they were mined.

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