David Webb Green Cabochon Onyx, Diamond Ring crafted in Platinum & 18K Yellow Gold. Amazing 18k yellow gold hammered finish cocktail ring crafted by David Webb. Ring features large green onyx cabochon and approximately 2.25ctw of H/VS-SI1. Ring size - 6, ring top - 30mm x 23mm, sits approx. 20m from the top of the finger. Center Diamond Weight: 0.00 Measurements: Size 6 thru 7.5 Metal Type: Platinum & 18K Yellow Gold Metal Weight: 31.4 gr. Signed: WEBB Condition: Excellent. Stock: RR6591