15 avril 2012
Gold, platinum, citrine and diamond ring, René Boivin, Paris, circa 1935
Gold, platinum, citrine and diamond ring, René Boivin, Paris, circa 1935. Photo Sotheby's Designed as a scrolling ribbon set with calibré-cut citrines, and baguette diamonds weighing approximately .90 carat, size 5½, signed Boivin, Paris, maker's mark...