Attributes:10K Yellow goldDiamond-cutLobsterSolidAppx Weight in Grams by Width/Length: (each item will vary slightly)1.85 mm width: 7 in = 1.6 gr, 8 in = 1.72 gr, 9 in = 1.94 gr, 10 in = 2.14 gr, 16 in = 3.16 gr, 18 in = 3.63 gr, 20 in = 4.02 gr, 22 in = 4.4 gr, 24 in = 4.67 gr, 30 in = 5.93 gr2 mm width: 7 in = 2.16 gr, 8 in = 2.3 gr, 9 in = 2.6 gr, 10 in = 2.89 gr, 16 in = 4.51 gr, 18 in = 4.9 gr, 20 in = 5.54 gr, 22 in = 6.11 gr, 24 in = 6.54 gr, 30 in = 8.11 gr2.25 mm width: 7 in = 2.45 gr, 8 in = 2.68 gr, 9 in = 3.09 gr, 10 in = 3.34 gr, 16 in = 5.44 gr, 18 in = 5.97 gr, 20 in = 6.66 gr, 22 in = 7.15 gr, 24 in = 7.97 gr, 30 in = 9.92 gr2.75 mm width: 7 in = 3.38 gr, 8 in = 3.83 gr, 9 in = 4.16 gr, 16 in = 7.64 gr, 18 in = 8.49 gr, 20 in = 9.21 gr, 22 in = 10.45 gr, 24 in = 11.08 gr, 30 in = 13.98 gr3 mm width: 7 in = 3.92 gr, 8 in = 4.43 gr, 18 in = 10.01 gr, 20 in = 11.03 gr, 22 in = 11.96 gr, 24 in = 13.07 gr, 30 in = 16.18 gr3.35 mm width: 7 in = 5.15 gr, 8 in = 6 gr, 18 in = 15.2 gr, 20 in = 14.77 gr, 22 in = 16.07 gr, 24 in = 17.47 gr, 30 in = 21.95 gr4 mm width: 7 in = 6.42 gr, 8 in = 7.53 gr, 20 in = 18.89 gr, 22 in = 20.42 gr, 24 in = 23.05 gr, 30 in = 28.57 gr4.5 mm width: 7 in = 8.52 gr, 8 in = 9.74 gr, 20 in = 24.85 gr, 22 in = 27.06 gr, 24 in = 29.81 gr, 30 in = 37.44 gr5 mm width: 8 in = 12.49 gr, 20 in = 31.15 gr, 22 in = 34.23 gr, 24 in = 37.72 gr, 30 in = 47.27 grOther Specs:Clasp / Connector: LobsterTexture: Diamond-cutChain Type: RopeMaterial: GoldPurity: 10K