Mikimoto 18k White Gold 10.3mm South Sea Tahitian Black Pearl & Diamond Ring. Center genuine Mikimoto South Sea Tahitian black pearl - 10.3mm. 88 round brilliant cut diamonds - 0.36ctw.Diamonds are F color and VS2 clarity. The item "MIKIMOTO 18k White Gold 10.3mm South Sea Tahitian Black Pearl & Diamond Ring" is in sale since Tuesday, October 2, 2018. This item is in the category "Jewelry & Watches\Fine Jewelry\Fine Rings\Pearl". The seller is "tbone_is_back" and is located in Oklahoma City, Oklahoma. This item can be shipped worldwide.