Pre-owned Designer Jewelry, Fine Jewelry, Watches and Diamonds. We have been in business for over 30 years and have excellent experience in the jewelry and watch markets. Authenticity is guaranteed for every item we sell. We are located at 1230 Prospect Street, La Jolla, California 92037. We will get back to you promptly.Please check our other items listed, more coming daily! The item "GIA certified 13.33 ct Natural Opal and Diamond Ring in Platinum HM1414BE" is in sale since Friday, July 4, 2014. This item is in the category "Jewelry & Watches\Fine Jewelry\Fine Rings\Gemstone". The seller is "lajollagems" and is located in La Jolla, California. This item can be shipped worldwide.