A BLUE ZIRCON AND DIAMOND PENDANT NECKLACE

A BLUE ZIRCON AND DIAMOND PENDANT NECKLACE Pear shaped blue zircon weighing approximately 53.33 carats Calibré cut and cushion shaped blue zircons, approximate total 55.0-65.0 carats Old European brilliant cut and round brilliant cut diamonds, approximate total 12.0-13.0 carats British hallmarks for 18 carat gold Pendant length 45mm Chain length 400mm 60.6 grams