A 76.46-carat diamond necklace is expected to fetch up to $6 million at the upcoming Christie’s New York Magnificent Jewels sale.
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📷: Christie's
The Argyle mine in Australia closed last year after almost four decades of operation, during which it supplied the majority of the world's pink diamonds. These jaw-dropping beauties, totaling 57.23 carats, are from one of Argyle’s last tenders. Courtesy: Rio Tinto
A gem miner holds a brass plate containing corundum (ruby and sapphire), spinel and peridot rough from Mogok, Myanmar. The golden hue of the tray will reduce the purplish color of rubies, making them appear redder, and will enhance the color of yellow stones. Photo: Edward Boehm.
Through careful cutting and polishing, this 13.33 carat pink rough was transformed into a 5.63 carat Fancy Vivid purplish pink pear-shape diamond. The diamond was named the Graff Lesotho Pink after the company that purchased it and the country where it was found. Courtesy: Graff
The 187.63-carat Foxfire diamond uncovered from the Diavik mine glows blue when exposed to UV light and glows orange for a while after the UV light is turned off! Courtesy: Jeffrey Post/ Smithsonian Institution
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Angelina Jolie and jewelry designer Robert Procop donated this citrine necklace to the Smithsonian’s National Gem Collection in 2015. It features 64 cushion cut citrines and a stunning 177.11 carat pear-shaped citrine pendant set in 18K gold. Courtesy: RP Studio