Diamond wedding ring and pin An American wedding ring in platinum set with eighteen brilliant-cut diamonds. weight: 4.4 gr. hallmark: none finger size: 52 (US: 6) diamond, estimated total weight: approx. 0.70 ct An 18K (750) yellow gold pin set with a crescent moon motif set with small rose-cut diamonds. weight: 2.3 g hallmark: none length: 8 cm diamond, estimated total weight: approx. 0.15ct the pin is missing a rose-cut diamond Weight: 6.7 g