Celtic Inspired Filigree Heart Design Ring that is approx 8.3mm wide, tapering down to 4mm at the bottom. The ring is in a UK finger size K & a US finger size 5 1/4 The print volume is 400mm and the estimated weights are: Steel: 3.0gr Silver: 4.0gr9K Gold: 4.80gr14K Gold: 5.20gr18K Gold: 6.40grPlatinum: 8.80gr