18K Gross Wt: 2.96 gm, Net Wt: 2.76 gm, Dia Wt: 1.00 ct 14K Gross Wt: 2.45 gm, Net Wt: 2.24 gm, Dia Wt: 1.07 ct 9K Gross Wt: 2.25 gm, Net Wt : 2.05 gm, Dia Wt: 1.00 ct