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Fantasy concave cut Brazilian Amethyst weighing 5.440 cts

Christie's auctioned off the the 76.02-carat internally flawless Archduke Joseph…

Dazzling Cambodian Precious Blue Zircon Faceted Gemstone, Pear Cut, 6.2 carats

Bright pink tourmaline - 78.41 ct.

Rare Pink Emeralds - wow. A pink emerald (or pink beryl) is actually morganite which is in the beryl family of gemstones as are green emeralds and aquamarine

Pierres précieuses de légende


Fine Tanzanite eye clean heart, weighing 7.28 cts from Tanzania. Tanzanite is the trade name given by the gemmologists at Tiffany & Co to the transparent violet-blue variety of Zoisite, the mineral which was described by Abraham Gottlob Werner in 1805. Tanzanite is generally enhanced by heat unless otherwise specified.Surprisingly, it is the dark brown crystals that produce the most valuable dark blue stones after heating.

Les pierres précieuses de RenéSim

Les diamants de RenéSim

feels that this is one of the rarest gemstones to ever come out of Mozambique. It has the power to move me when bright diffused natural light illuminates the gemstone. It tends to loose saturation in incandescent light, but it is still purple with purple flash.