. Style: Cluster / mixed Setting. Colour: White / Purple. Material: 9ct Gold / Tanzanite / Diamond. Condition: refurbished. Size: I½. Brand: . Birthstone: December. Gender: Female. Age group: Adult. Setting style: mixed. Ring style: Cluster. 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 9ct White Gold Tanzanite & Diamond Trilogy Twist Ring - Female - 9ct Gold / Tanzanite / Diamond - White / Purple - Size: I½