18K Gross Wt: 4.65 gm, Net Wt: 4.49 gm, Dia Wt: 0.79 ct 14K Gross Wt: 4.16 gm, Net Wt: 4.00 gm, Dia Wt: 0.79 ct 9K Gross Wt: 3.49 gm, Net Wt : 3.33 gm, Dia Wt: 0.79 ct