METAL: 18k Gold. MEASUREMENTS: Ring size - 7 1/4, ring top is 19mm x 16mm. GEMSTONES: Diamonds, semi precious multi color gemstones: amethyst, topaz, citrine, peridot, garnet, iolite. MARKED: Bellari. WEIGHT: 13.6 grams.Gemstones have not been graded for color and clarity ,and tested for clarity and color enhancement, unless stated otherwise.