Lady's Platinum 12.5mm South Sea Pearl & Diamond Earrings. Contains: 2 Cultured South Sea Pearls. Diameter: 12.5mm, Color: White. 2 Round Brilliant Cut Natural Diamonds. Weight Approx: 0.80cttw, Color: H, Clarity: VS1. Each of the fine cultured South Sea pearls in this set of earrings is fitted with a fine, well-cut diamond. Pearls have always been the Greek symbol for fertility, and this wonderful pair would make a wonderful gift for a mother or wife.