METAL: 18k Gold. MEASUREMENTS: Bracelet is 7 1/8" long and 17mm wide. GEMSTONES: Corals - 11.5mm x 9.2mm. MARKED: A&C Co, English gold assay marks. Comes with fitted box. WEIGHT: 31.4 grams.Gemstones have not been graded for color and clarity ,and tested for clarity and color enhancement, unless stated otherwise.