Earrings = Genuine Swiss Blue Topaz, 2 pieces, Trillion cut, 5mm. Earring Dimensions: 1 1/8 x 1/4 inches. Pendant = Genuine Swiss Blue Topaz, 1 piece, Trillion cut, 6mm. Pendant Dimensions: 3/4 x 3/8 inches. Earrings and Pendant have a total weight of 3.10 grams and are set in pure Sterling Silver with .925 stamp. Gemstones have a vibrant rich color and eye clean clarity. The Pendant and Earrings feature top quality workmanship and a beautiful finish.