18K Gross Wt: 5.32 gm, Net Wt: 5.16 gm, Dia Wt: 0.79 ct 14K Gross Wt: 4.44 gm, Net Wt: 4.29 gm, Dia Wt: 0.77 ct 9K Gross Wt: 3.99 gm, Net Wt: 3.83 gm, Dia Wt: 0.79 ct