PalmBeach Jewelry exclusive. Sky blue and London blue come together in perfect harmony in this dazzling, genuine blue topaz stunner you'll love to show off. The emerald-cut genuine topaz center is surrounded by a halo of cubic zirconia accents and flanked on each shoulder by two trillion-cut genuine London blue topaz beauties. 5.13 carats T.W. of topaz. Platinum-plated sterling silver. Sizes 6-10. 56713 � Platinum Over Sterling Silver. Quality Stamp (.925) � 3 Topaz; 54 Cubic Zirconia � Item Measures 21.5 mm Wide x 5.5 mm High x 14.5 mm Long. 2 mm Shank Width � Style: Classic. Imported