18K Gross Wt: 1.85 gm, Net Wt: 1.68 gm, Dia Wt: 0.85 ct 14K Gross Wt: 1.59 gm, Net Wt: 1.42 gm, Dia Wt: 0.85 ct 9K Gross Wt: 1.42 gm, Net Wt : 1.25 gm, Dia Wt: 0.85 ct