METAL: 14k Gold. MEASUREMENTS: Bracelet is 7" long, center section - 17mm x 35mm. GEMSTONES: Blue gemstone - 12.6mm x 13.3mm x 8mm, Diamonds - approx. 0.40ctw. MARKED: 585, Lotos, D.R.G.M. WEIGHT: 26.9 grams.Gemstones have not been graded for color and clarity ,and tested for clarity and color enhancement, unless stated otherwise.