Châtelaine® represents a perfect fusion of Sybil and David Yurman’s combined love of art – the marriage of a sculptor and a painter, graceful form and vibrant color. Sterling silver Black onyx, 1.80 total carat weight Pavé-set diamonds, 0.02 total carat weight, confirmed on DY Site Ring Size 7 The ring is stamped DY, 925 on the inside. Stone is 8mm. This piece is in very good pre-loved condition with a little scratching on the back.