. Style: Pendant & Necklace. Colour: Yellow / White. Material: 9ct Gold / Opal / Diamond. Condition: New. Size: 18 in. Brand: . Birthstone: October. Gender: Female. Age group: Adult. Necklace style: Pendant & Chain. Pendant style: Gemstone Set. Department: necklaces. 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 Pendant & 18\\\" Necklace - Female - 9ct Gold / Opal / Diamond - Yellow / White - Size: 18 in