18K Gross Wt: 1.34 gm, Net Wt: 1.14 gm, Dia Wt: 1.00 ct 14K Gross Wt: 1.22 gm, Net Wt: 1.02 gm, Dia Wt: 1.00 ct 9K Gross Wt: 1.05 gm, Net Wt : 0.85 gm, Dia Wt: 1.00 ct