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The diamond index is updated every hour. The percent of change displayed is with reference to yesterday's closing time (24:00 EST).
The Diamond Index and Diamond Drivers were formulated following comprehensive research and analysis of the IDEX inventory database, aggregated since February 2001
The overall trend remained downward in September, with price decreases again outnumbering increases in both rounds and fancies. Rounds showed broader weakness, particularly among goods from 0.70-cts to 1.99-cts, while fancies were more mixed...
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Gemfields expects to report a $73.5 million net loss for the first half of 2026 after writing down the value of its Montepuez ruby mine (MRM) in Mozambique by $125.2 million. It follows lower-than-expected recoveries of premium-grade rubies. The impairment...
Al Cook says diamond prices are starting to rise. Is he right? "In the last few months, we've seen the price stabilize and begin to grow," said the De Beers Group CEO said in Beijing last week. The headline numbers still look like a market in retreat....
A man posing as a gem dealer has admitted stealing $438,000 worth of diamonds, precious stones and jewelry from four victims using forged checks. Arsen Canaj, 58, pleaded guilty at New York State Supreme Court to two counts of Grand Larceny...
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Sealed and Certified natural stars & melee diamonds