METAL: Sterling Silver. MEASUREMENTS: Necklace is 17 3/8" long, Pendant - 35mm x 21mm, Earrings - 44mm x 12mm. GEMSTONES: Crystal, backed with green gemstone, black diamonds. MARKED: 925, Maker's hallmark. WEIGHT:25.7 grams.Gemstones have not been graded for color and clarity ,and tested for clarity and color enhancement, unless stated otherwise.