Attributes:Diamond-cutPolishedSpring RingSterling silverAppx Weight in Grams by Width/Length: (each item will vary slightly)1.5 mm width: 16 in = 1.75 gr, 18 in = 1.98 gr, 20 in = 2.21 gr, 24 in = 2.64 gr, 30 in = 3.29 gr1.75 mm width: 16 in = 1.8 gr, 18 in = 2.03 gr, 20 in = 2.27 gr, 24 in = 2.72 gr, 30 in = 3.41 gr2 mm width: 16 in = 3.12 gr, 18 in = 3.5 gr, 20 in = 3.9 gr, 24 in = 4.67 gr, 30 in = 5.85 gr2.5 mm width: 16 in = 4.38 gr, 18 in = 4.95 gr, 20 in = 5.5 gr, 24 in = 6.6 gr, 30 in = 8.24 grOther Specs:Clasp / Connector: Spring RingItem Weight U/M: gmManufacturing Process: CastedTexture: Diamond-cutChain Type: CableMaterial: Sterling SilverPurity: 925