18K Gross Wt: 2.27 gm, Net Wt: 2.15 gm, Dia Wt: 0.60 ct 14K Gross Wt: 2.15 gm, Net Wt: 2.03 gm, Dia Wt: 0.59 ct 9K Gross Wt: 1.72 gm, Net Wt : 1.60 gm, Dia Wt: 0.60 ct