18K Gross Wt: 11.03 gm, Net Wt: 10.19 gm, Dia Wt: 4.21 ct 14K Gross Wt: 9.92 gm, Net Wt: 9.08 gm, Dia Wt: 4.10 ct 9K Gross Wt: 8.40 gm, Net Wt : 7.56 gm, Dia Wt: 4.21 ct