Earrings = Genuine London Blue Topaz, 2 pieces, Trillion cut, 4.00mm, Genuine London Blue Topaz, 2 pieces, Trillion cut , 4.00mm. Earring Dimensions: 3/4 x 1/4 inches. Pendant = Genuine London Blue Topaz, 1 piece, Trillion cut, 5.00mm. Genuine London Blue Topaz, 1 piece, Trillion cut, 5.00mm. Pendant Dimensions: 1 1/4 x 3/8 inches. Earrings and Pendant have a total weight of 3.40 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.