.50 CT. DIAMOND AND CULTURED PEARL PIN: 18K white gold with two old marquise cut diamonds and 64 irregular shaped rose cut diamonds . .50 CTW. Rated SI1-I1 in clarity and I-J-K in color. Two 6.00 mm white cultured pearls. Slightly blemished. High Luster. Bar pin closure. The diamonds are bezel and prong set. Weight: 6.4 grams. Approx. 1'' x 3/4 ''.