Size: 16.1mm - 3.08gr (y18kt), 3.12gr (w18kt) 16.51mm - 3.14gr (y18kt), 3.18gr (w18kt) 16.92mm - 3.2gr (y18kt), 3.24gr (w18kt) 17.35mm - 3.26gr (y18kt), 3.3gr (w18kt) 17.75mm - 3.32gr (y18kt), 3.36gr (w18kt) 18.19mm - 3.38gr (y18kt), 3.42gr (w18kt) 18.89mm - 3.44gr (y18kt), 3.48gr (w18kt) 19.41mm - 3.5gr (y18kt), 3.54gr (w18kt) 19.84mm - 3.56gr (y18kt), 3.6gr (w18kt) 20.2mm - 3.62gr (y18kt), 3.68gr (w18kt) 20.68mm - 3.68gr (y18kt), 3.72gr (w18kt) Gems: 3.5mm - 1; 2.75mm-2