Size: 16.1mm - 2.78gr (y18kt), 2.82gr (w18kt) 16.51mm - 2.84gr (y18kt), 2.88gr (w18kt) 16.92mm - 2.91gr (y18kt), 2.95gr (w18kt) 17.35mm - 2.98gr (y18kt), 3.02gr (w18kt) 17.75mm - 3.05gr (y18kt), 3.09gr (w18kt) 18.19mm - 3.12gr (y18kt), 3.16gr (w18kt) 18.89mm - 3.19gr (y18kt), 3.23gr (w18kt) 19.41mm - 3.26gr (y18kt), 3.3gr (w18kt) 19.84mm - 3.33gr (y18kt), 3.37gr (w18kt) 20.2mm - 3.41gr (y18kt), 3.45gr (w18kt) 20.68mm - 3.48gr (y18kt), 3.52gr (w18kt) Gems: 3.5mm - 1; 1mm - 20