18K Gross Wt: 12.68 gm, Net Wt: 12.38 gm, Dia Wt: 1.66 ct 14K Gross Wt: 9.14 gm, Net Wt: 8.83 gm, Dia Wt: 1.66 ct 9K Gross Wt: 9.49 gm, Net Wt: 9.16 gm, Dia Wt: 1.66 ct