Art Deco Era Platinum Opal and Diamond Ring The most beautiful large opal stone with diamonds surrounding, truly stunning! The item comes without the box in the photo but will be presented in a Gembank1973 gift book Measurements: weight 4.54g, size UK N1/2 US 7, head of ring 15mm x 13mm, height off finger 5mm Materials: platinum, opal and diamond Hallmarks: none present Condition: the overall condition is very good Office use: U222