a Classice 7mm wide 3 row band in a UK finger size M1/2 and a US finger size 6 1/2 made for 51 x 1.5mm round stones. the print volume 507mm and the estimated weights are: Silver: 5.00gr 9K Gold: 6.00gr 14K Gold: 6.50gr 18K Gold: 8.10gr Platinum: 11.10gr