This is from a DC Metro Estate. Posted here is a much sought after ART DECO PLATINUM DIAMOND RING with ONYX Accent Stones. The DIAMOND is One Carat, European Cut, S13 I1 Clarity, HI Color.
Surrounding that Diamond are Multiple Faceted Onyz stones. Ring size NOW is 7 3/4.
Also note: this Ring was purchasd with a Matching Pair of PLAT DIAMOND EARRINGS. See subsequent jpg