1.50 Ct.T.W. Genuine Princess Cut London Blue Topaz in Pure Sterling Silver Earrings. 1.50 carat total weight Gemstones.London Blue Topaz: 2 pieces, Princess Shape, 5 mm.Gemstones have a nice color.Each earring measures 1/2 x 1 1/4 inches and weighs 3.22 grams together.Retails for over $54.99.Earrings features one of a kind design with a beautiful finish.Earrings are in pure Sterling Silver and stamped .925