18K Gross Wt: 3.54 gm, Net Wt: 3.31 gm, Dia Wt: 1.13 ct 14K Gross Wt: 3.18 gm, Net Wt: 2.95 gm, Dia Wt: 1.13 ct 9K Gross Wt: 2.69 gm, Net Wt : 2.46 gm, Dia Wt: 1.13 ct