*Antique Black Opal and Diamond Ring *Handcrafted in Platinum with natural black Australian opal measuring 18.7 X 13.5mm *28 diamonds weighing 0.56ct *8 sapphires @ 0.33ct.total. *Circa 1920's. Believed to be from Tiffany, but work to shank has obliterated original markings. *Appraised value $39995.00 Free shipping anywhere in the US with USPS Express Mail Overnight! Shipping Insurance and Delivery Confirmation Included! We are Circuit Party Jewelers. A registered Hawaii business with valid business license, Circuit Party Jewelers is known for selling authentic gem quality pearls and strands that have traditionally only been available at high end, fine jewelry establishments AT WHOLESALE PRICES. We are offering this piece at over 50% off the appraised value/suggested retail price of $39995.00. All of our chokers and strands come with a warranted appraisal done by a registered appraiser who is a G.I.A. Graduated Gemologist and can be G.I.A. certified for an additional charge. We GUARANTEE our pearls to be cultured, natural color pearls.