18 Karat gold, coral, jadeite, cultured pearl and sapphire pendant-necklace, David Webb. Photo Sotheby's. The textured gold links set with eight carved coral frogs, spaced by carved jadeite segments, some shaped like koi fish, with six cultured pearls...

18 karat white gold and Fancy Orangy Pink diamond pendant-necklace. Photo Sotheby's The heart-shaped diamond of fancy orangy pink color weighing 5.00 carats, length 17¼ inches, adjustable length, illustrated unmounted. ESTIMATE 500,000-700,000 USD NOTE:...

Heart-shaped diamond pendant-necklace The heart-shaped diamond weighing 4.01 carats, mounted in platinum, suspended from a white gold chain, length 16 inches. Estimate 50,000—70,000 USD NOTE: Accompanied by GIA report no. 17253572 stating that the diamond...

A black opal and diamond pendant-necklace the pendant centering a black opal, surrounded by round brilliant-cut diamonds, surmounted by a floral motif centering a rectangular-cut diamond in a round brilliant-cut diamond leaf surround; suspended from an...