METAL: Sterling Silver. MEASUREMENTS: Bracelet will fit approx. 7" wrist and is 19mm wide. Ring size - 7, ring top is 30mm x 30mm. GEMSTONES; Crystal, backed with mother of pearl. MARKED: Webster mark, 925. WEIGHT: 76.6 grams (bracelet) and 30 grams (ring).Gemstones have not been graded for color and clarity ,and tested for clarity and color enhancement, unless stated otherwise.