The Steinmetz Pink -The pink diamond weighs 59.60 carats and was modeled at the Smithsonian’s “Splendor of Diamonds” exhibit in 2003. It's the largest vivid pink diamond known and took the Steinmetz Group twenty months to cut it.
Chopard was just announced as the official jeweler for Diana, the forthcoming biopic starring Naomi Watts as the late Princess of Wales. The famed jewelry house made sure to recreate Diana’s sparklers just so—including these 20-carat sapphire earrings set in white gold surrounded by 28 diamonds. http://news.instyle.com/2012/08/21/diana-movie-chopard-diamonds/#
The Tutti Frutti Necklace by Cartier One of Cartier’s most famous pieces, the “Hindu necklace” was commissioned by Vogue-honored socialite and Singer sewing machine heiress Daisy Fellowes in 1936. It's made of dozens of rubies, emeralds, and diamond beads set in platinum and thirteen sapphires. This was the necklace that helped kick off Cartier's "Art Deco" craze.
The origin of the Black Orlov diamond, as well as its unusual grey-steel color, is still unknown. As legend has it, this diamond, also called the Eye of Brahma, was set in a statue in a shrine near Pondicherry in southern India, and weighed 195 carats uncut. According to the legend, it caused the suicides of two Russian princesses. The diamond now weighs 67.50 carats.
AN EMERALD AND DIAMOND NECKLACE, BY HARRY WINSTON. Designed as a graduated double row of rectangular-cut emeralds, extending a pear and circular-cut diamond fringe, joined by circular and pear-shaped diamond clusters to the circular-cut diamond double row backchain, mounted in platinum, 1955, 14 ins. With maker's mark for Harry Winston
PROPERTY OF MARY, DUCHESS OF ROXBURGHE - Rare and highly important ruby and diamond necklace, Late 19th Century - Designed as a rivière of twenty-four cushion-shaped rubies alternating with twenty-four similarly shaped diamonds, mounted in silver and gold, length approximately 433mm. Price realized $4,299,974 USD