Lady's 18K White Gold Pearl & Diamond Earrings. Pearl Size: 16.50mm Contains: Two Round Natural South Sea Pearls. Size: 16.50mm, Color: White, Origin: South Sea. Six Natural Marquise Cut & Two Pear Shape Diamonds. Weight Approx: 1.60cttw, Color: G-H, Clarity: VS-SI. You are viewing a spectacular pair of herculean sized gem quality, South Sea pearl & diamond earstuds. The mammoth pearls measure out to be 16.50mm. Both are fashioned in the noble metal platinum with 4 gem quality marquise diamonds on each earstud. Wearing them will give your gal an incredible display of elegance, generally not seen this side of the red carpet.