An 18ct gold diamond cluster ring, An 18ct gold diamond cluster ring, with eight cut diamonds, all claw set to hexagonal tiers, to a white wire basket, solid shoulders, and a plain shank, London 1987, 4.45g. Finger size L Buying this diamond ring at auction could save up to 0.42 tonnes of CO2e compared to buying new. Condition Report: Maker mark ST Diamonds secure. A little dirty under the collet. Would benefit from a gentle clean.