18K DIAMOND AND SAPPHIRE ROSE BROOCH: 18K yellow gold (marked 750) brooch contains 16 irregular shaped rose cut diamonds. Weight: .15 Ct. Approx. The diamonds average SI in clarity and I-J in color. The rose centers an approx. 1 ct oval shaped cabochon cut sapphire. The diamonds and sapphire are prong set. Bar pin closure. Weight: 9.6 grams. Approx. 2 1/4'' in length.