Gem Stone Pendant

14k Yellow Gold London Blue Topaz & Diamond Halo Art Deco Pendant. 3.40 Carat Hexagon London Blue Topaz Center Stone. 30 Prong Set Round Brilliant Diamonds. Color Grade: G, Clarity Grade: SI1, Equaling 0.15 Total Carat Weight. 18 Inch Singapore Chain with Lobster Clasp.