Size: 16.1mm - 3.27gr (y18kt), 3.32gr (w18kt) 16.51mm - 3.35gr (y18kt), 3.39gr (w18kt) 16.92mm - 3.42gr (y18kt), 3.46gr (w18kt) 17.35mm - 3.49gr (y18kt), 3.53gr (w18kt) 17.75mm - 3.56gr (y18kt), 3.6gr (w18kt) 18.19mm - 3.63gr (y18kt), 3.67gr (w18kt) 18.89mm - 3.7gr (y18kt), 3.74gr (w18kt) 19.41mm - 3.77gr (y18kt), 3.81gr (w18kt) 19.84mm - 3.84gr (y18kt), 3.88gr (w18kt) 20.2mm - 3.91gr (y18kt), 3.95gr (w18kt) 20.68mm - 3.98gr (y18kt), 4.02gr (w18kt) Gem: 3.5mm - 1