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.

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 ...

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 ...