. Style: Trilogy / Brilliant Cut / tension Setting. Colour: Yellow / White. Material: 18ct Gold / Diamond. Condition: refurbished. Size: M. Brand: . Diamond carat range: 0.25ct - 0.49ct. Birthstone: April. Gender: Female. Age group: Adult. Diamond cut: Brilliant. Setting style: tension. Ring style: Trilogy. Diamond Colour: F-G. Diamond Clarity: SI. 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 0.30 Carat Diamond Trilogy Ring - Female - 18ct Gold / Diamond - Yellow / White