18K Gross Wt: 3.03 gm, Net Wt: 2.82 gm, Dia Wt: 1.03 ct 14K Gross Wt: 2.62 gm, Net Wt: 2.41 gm, Dia Wt: 1.03 ct 9K Gross Wt: 2.30 gm, Net Wt : 2.09 gm, Dia Wt: 1.03 ct