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The Jubilee Diamond, originally known as the Reitz Diamond is a colourless, cushion-shaped diamond weighing 245.35 carats (49.07 grams), making it the sixth largest diamond in the world. [1] It was originally named after Francis William Reitz , the then president of the Orange Free State where the stone was discovered, before being renamed to ...
The Jubilee will open at 4 p.m. Sept. 8, with an auction at 6. The three-day festival will be held in Midvale Park. Village of Midvale and Lions Club join forces to create the Miners Jubilee festival
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]
Lab-grown diamonds now account for nearly a fifth of all sales globally as younger shoppers fall out of love with mined diamonds.
The gem is reported to be of jewelry quality, measuring 22.47 x 15.69 x 10.9 millimetres, with a saturated pink tone and practically no defects, according to Alrosa. [50] The pink diamond was mined by subsidiary Almazy Anabara, which operates the Severalmaz kimberlite pipes and placer deposits near riverways in the northwest part of Yakutia .
Tree map of Botswana’s exports in 2009. Botswana's diamond industry is very important to its economy. [3] Since the discovery of diamonds in Botswana in the late 1960s in the Orapa diamond mine, [8] these precious gemstones have played a very important role in shaping the nation's economics.
The term "Jagers" has since been coined to denote the distinctive faint bluish tint of the gems from this mine. [5] Among geologists, Jagersfontein is known as a kimberlite pipe , [ 6 ] and a prime locality for mantle xenoliths , some of which are believed to have come from depths of 300–500 km (190–310 mi).