Optimized selling power bringing IDEX inventories to your website via:
Reliable, transparent and unbiased pricing information
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
Despite repeated attempts by a number of firms to create a credible, consistently reliable price list for polished diamonds, no one has gotten it quite right. Some are closer than others, but “perfection” hasn’t been reached, yet.
Latest industry news and events, proprietary research and analysis, reaching a readership of 65,000
Petra reported a 64% surge in sales for Q3 2026, driven largely by larger, higher‑value parcels from its Cullinan mine, in South Africa, and by the sale of a 41.82 carat Type IIb blue diamond (pictured) that was recovered there last December....
AI can do pretty much anything these days. But there are some areas where humans still excel . . . such as inventing a new diamond cut. Jacob & Co, watchmaker of choice for the uber-wealthy, has just introduced the Angel Cut, with 37 facets...
Botswana says it is determined to secure an end to US tariffs on its diamonds and other exports. Bogolo Kenewendo (pictured), the country's minerals and energy minister, says such a move is critical to restoring the country's competitive edge...
Search for diamonds on the go, access our real time prices calculator
Sealed and Certified natural stars & melee diamonds