. Style: Dress / Old Cut / claw Setting. Colour: Yellow / White. Material: 18ct Gold / Opal / Diamond. Condition: refurbished. Size: S. Brand: . Vintage: Vintage. Diamond carat range: 0.25ct - 0.49ct. Birthstone: October. Gender: Female. Age group: Adult. Diamond cut: Old. Setting style: claw. Ring style: Dress. Department: rings. William May has been involved in the British jewellery industry since 1825 and we\\\'re extremely proud of our rich near-200 year heritage. As an independently-owned company, we supply a vast array of exquisite new, pre-owned & vintage jewellery that you simply won\\\'t find in a high street store. Pre-Owned 18ct Yellow Gold Vintage Opal & Diamond Dress Ring - Female - 18ct Gold / Opal / Diamond - Yellow / White