18K Gross Wt: 1.40 gm, Net Wt: 1.20 gm, Dia Wt: 1.00 ct 14K Gross Wt: 1.27 gm, Net Wt: 1.07 gm, Dia Wt: 1.00 ct 9K Gross Wt: 1.09 gm, Net Wt : 0.89 gm, Dia Wt: 1.00 ct