18K Gross Wt: 7.14 gm, Net Wt: 6.79 gm, Dia Wt: 1.74 ct 14K Gross Wt: 5.73 gm, Net Wt: 5.40 gm, Dia Wt: 1.64 ct 9K Gross Wt: 5.39 gm, Net Wt: 5.04 gm, Dia Wt: 1.74 ct