Multicolor South Sea Pearl Necklace in Shades of White, Gold, Silver and Grey Consign Now DeptJewelry Fine 12.3mm – 17.6mm Multicolor South Sea Pearl Necklace in Shades of White, Gold, Silver and Grey, 14k Yellow Gold and Scattered Diamonds Clasp. Length 18 in. Please note that this auction has ended. Click here for an overview of this auction.