18K Gross Wt: 12.06 gm, Net Wt: 11.78 gm, Dia Wt: 1.42 ct 14K Gross Wt: 9.50 gm, Net Wt: 9.23 gm, Dia Wt: 1.45 ct 9K Gross Wt: 9.02 gm, Net Wt: 8.74 gm, Dia Wt: 1.42 ct