. Style: Dress / mixed Setting. Colour: Yellow / Multi-colour. Material: 9ct Gold / Opal / Diamond. Condition: New. Size: O. Brand: . Birthstone: October. Gender: Unisex. Age group: Adult. Setting style: mixed. 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. New 9ct Yellow Gold Opal & Diamond Dress Ring - Unisex - 9ct Gold / Opal / Diamond - Yellow / Multi-colour