28 avril 2013
Gem set ring, circa 1970
Gem set ring, circa 1970 - Sotheby's Of boule form, set with cushion-shaped, circular-cut, and oval gemstones including tourmalines, garnets, aquamarines, citrines and amethysts, size 49, French assay mark, attributed to Suzanne Belperron. Estimate: 11,000...