18K Gross Wt: 3.32 gm, Net Wt: 3.25 gm, Dia Wt: 0.36 ct 14K Gross Wt: 2.97 gm, Net Wt: 2.90 gm, Dia Wt: 0.36 ct 9K Gross Wt: 2.48 gm, Net Wt : 2.41 gm, Dia Wt: 0.36 ct