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It was found in 1990 by Shirley Strawn of Murfreesboro, Arkansas, in the Crater of Diamonds State Park public search field. It was cut to 1.09 carats (220 mg) in 1997, and graded a "perfect" 0/0/0 by the American Gem Society (AGS) in 1998 and graded perfect by the Gemological Institute of America , making it the first diamond from Arkansas to ...
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.
The weight of a diamond is one of these variables that determines a diamond’s worth and is what the general public is most familiar with. The unit of measurement, called the carat, equals 200 ...
The company described those diamonds as being so hard that they could only be cut using powder of other Arkansas diamonds. [4] The final result was a 12.42-carat (2.484 g) emerald-cut gem. It was characterized as M on the diamond color scale; this nominally corresponds to a faint yellow color, but the visual impression of Uncle Sam has been ...
However, this was a factual inaccuracy, as their mass varies about as much as seeds of other species. [11] In the past, each country had its own carat. It was often used for weighing gold. Beginning in the 1570s, it was used to measure weights of diamonds. [5]
The large diamond, found in South Africa, was presented to Edward VII on his 66th birthday. Two of the stones cut from the diamond were the 94.4-carat (18.88 g) Cullinan III, a clear pear-shaped stone, and a 63.6-carat (12.72 g) cushion-shaped stone. Queen Mary had these stones made into a brooch with the Cullinan III hanging from IV.
Login valued the diamond at 63,000 rupees, the equivalent of £6,000 in 1840 which would convert to more than £100 million in 2012. [2] Jewelry associated with the diamond were eleven pearls, eleven additional diamonds, and eleven garnets (known locally as choonee). [2] The total weight was 10.8 tolas in the local weight measurement system. [2]
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