Very Fine White South Sea Baroque Pearl Necklace Consign Now DeptJewelrySizeLength 17 ½ in. Very Fine White South Sea Baroque Pearl Necklace, 15.1mm x 17.7mm, 18kt white gold clasp set with 182 diamonds totaling 3.60cts, color SI-HI. Length 17 ½ in. Please note that this auction has ended. Click here for an overview of this auction.