Size: 16.1mm - 3.02gr (y18kt), 3.06gr (w18kt) 16.51mm - 3.08gr (y18kt), 3.13gr (w18kt) 16.92mm - 3.14gr (y18kt), 3.19gr (w18kt) 17.35mm - 3.2gr (y18kt), 3.25gr (w18kt) 17.75mm - 3.26gr (y18kt), 3.31gr (w18kt) 18.19mm - 3.32gr (y18kt), 3.37gr (w18kt) 18.89mm - 3.38gr (y18kt), 3.43gr (w18kt) 19.41mm - 3.44gr (y18kt), 3.49gr (w18kt) 19.84mm - 3.5gr (y18kt), 3.55gr (w18kt) 20.2mm - 3.56gr (y18kt), 3.61gr (w18kt) 20.68mm - 3.62gr (y18kt), 3.67gr (w18kt) Gems: 3.5mm - 1; 1mm-20