Attributes:10K Yellow goldLobsterPolishedSolidAppx Weight in Grams by Width/Length: (each item will vary slightly)1.1 mm width: 7 in = 0.44 gr, 9 in = 0.53 gr, 14 in = 0.76 gr, 16 in = 0.86 gr, 18 in = 0.97 gr, 20 in = 1.05 gr, 24 in = 1.28 gr1.4 mm width: 7 in = 0.63 gr, 10 in = 0.88 gr, 16 in = 1.35 gr, 18 in = 1.55 gr, 20 in = 1.66 gr, 24 in = 1.93 gr, 30 in = 2.38 gr1.7 mm width: 7 in = 1.06 gr, 8 in = 1.14 gr, 9 in = 1.25 gr, 16 in = 1.99 gr, 18 in = 2.18 gr, 20 in = 2.4 gr, 24 in = 2.81 gr, 30 in = 3.48 grOther Specs:Clasp / Connector: LobsterFinish: PolishedGender: Women'sManufacturing Process: CastedManufacturing Process 2: Machine MadeChain Type: SingaporeMaterial: GoldPurity: 10K