18K Gross Wt: 4.28 gm, Net Wt: 4.09 gm, Dia Wt: 0.94 ct 14K Gross Wt: 3.72 gm, Net Wt: 3.53 gm, Dia Wt: 0.94 ct 9K Gross Wt: 3.22 gm, Net Wt : 3.03 gm, Dia Wt: 0.94 ct