The April 24 auction includes fancy colored diamonds; signed pieces from Cartier, Verdura and René Boivin; statement sapphires and emeralds; and items from the Art Deco period, the 1960s and 1970s ...

A Burma sapphire and diamond pendant sold for $4,648,000, and a 2.97-carat fancy vivid blue diamond, set in a ring, sold for $3,075,000.

Examples include a Cartier sapphire-and-diamond ring from the collection of Constance Prosser Mellon, which sold for nearly US$3.3 million, above a US$2.5 million high estimate, and a Paraíba ...

Sotheby’s Geneva, May 2017 As the most expensive earrings sold at auction, this set of fancy-colored pear-shaped diamonds are an unlikely pair. Similar in size and shape, one is a 14.54-carat ...

Sotheby’s New York set two world records for gemstones today, one for a 55.22 carat Mozambique ruby known as the “Estrela de Fura 55.22” and one for a 10.57 carat fancy purplish-pink diamond ...

Tiffany & Co. Blue Book Urchin Fancy Intense Yellow Diamond Ring Tiffany & Co. Debuts High Jewelry with a $3.5 Million Diamond Ring, Insane Rubies, and Rare Paraìbas ...

As for signed jewelry, collectors can bid on an eye-catching Van Cleef & Arpels turquoise and diamond necklace circa 1985 (estimate: $110,000 to $150,000) and an Art Deco-style Burmese ruby and ...

The collection consisted of a ring, a pendant necklace and a bracelet that was worth a lot more than she expected. The appraiser said, "The ring with the fine ruby and the very very white diamonds ...

An 8.01-carat fancy vivid blue diamond pendant by Moussaieff sold for HK$160 million (US$20.5 million) at Christie's in Hong Kong on May 29. Courtesy of Christie's Images (2018) Text size ...