18K Gross Wt: 2.34 gm, Net Wt: 2.22 gm, Dia Wt: 0.60 ct 14K Gross Wt: 2.05 gm, Net Wt: 1.92 gm, Dia Wt: 0.64 ct 9K Gross Wt: 1.77 gm, Net Wt : 1.65 gm, Dia Wt: 0.60 ct