Platinum, emerald and diamond ring. Photo Sotheby's. Set with a square emerald-cut emerald weighing approximately 8.50 carats, accented by round and princess-cut diamonds weighing approximately .70 carat, size 5. Estimation 25,000 — 35,000 USD Accompanied...

Platinum , emerald and diamond Devant de Corsage, France, circa 1925. p hoto Sotheby's Designed as a graduated articulated swag supporting cabochon emerald drops weighing approximately 12.00 carats, the top set with an emerald-cut emerald weighing approximately...