Turquoise diamond bracelet, Cartier, circa 1960. Queen Elizabeth II's aquamarine diamond bracelet. Platinum, diamond, sapph...

An 18 karat gold, jade and diamond brooch, Cartier, circa 1950. An 18 karat gold, shell, emerald and diamond brooch by David Webb, 19...

Gem set and diamond bracelet by Bulgari. An art deco sapphire and diamond bracelet, circa 1925. A belle époque enamel bracelet ...

A fine platinum, fancy grayish blue diamond and diamond ring, circa 1930.  A magnificent and very rare fancy vivid blue diamond and fa...