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This is a partial list of the largest non-synthetic diamonds with a rough stone (uncut) weight of over 200 carats (40 grams). [1] The list is not intended to be complete—e.g., the Cullinan (formerly Premier) mine alone has produced 135 diamonds larger than 200 carats since mining commenced.
Small rough diamonds from Russia. Crystals are about 0.7 to 0.9 mm in size. There are a limited number of commercially available diamond mines currently operating in the world, with the 50 largest mines accounting for approximately 90% of global supply. [1]
This is a list of countries by diamond production, based on data reported by the Kimberley Process Certification Scheme. Diamond production [1] ... World: 121.7 ...
Cullinan I was surpassed as the world's largest cut diamond by the 545.67-carat (109.134 g) brown Golden Jubilee Diamond in 1992, [35] but remains the largest colourless cut diamond in the world. [36] In terms of clarity, it has a few tiny cleavages and a small patch of graining.
Discovered in 2015, it is the 5th largest diamond ever discovered at the Crater of Diamonds State Park, Arkansas Identified as a Type IIa crystal, the 8.52 carat diamond was cut and polished by Mike Botha into a custom-designed 4.605 carat Triolette shape during a week long event in North Little Rock and was graded a D IF, 0 Polish & 0 Symmetry ...
Argyle was at times the largest diamond producer in the world by volume (14 million carats in 2018 [1]), although the proportion of gem-quality diamonds was low. It was the only known significant source of pink and red diamonds (producing over 90% of the world's supply), and additionally provided a large proportion of other naturally coloured ...
In the U.S., lab-grown diamond sales jumped 16% in 2023 from 2022, according to Edahn Golan, an industry analyst. Skip to main content. Subscriptions; Animals. Business ...
[4] [10] A day after the discovery, two more diamonds weighing 813 and 374 carats (162.6 and 74.8 g) were found in the mine. [11] [12] Since the AK6 pipe was opened 18 months earlier, it has yielded over 1,000,000 carats (200 kg) of diamonds. [13] The stone was too big for the company's scanners. [9]