18K Gross Wt: 7.06 gm, Net Wt: 5.30 gm, Dia Wt: 1.84 ct 14K Gross Wt: 5.84 gm, Net Wt: 4.08 gm, Dia Wt: 1.82 ct 9K Gross Wt: 5.60 gm, Net Wt: 3.84 gm, Dia Wt: 1.84 ct