the center set with a large oval mixed cut sapphire measuring 9.93 x 7.39 x 5.31 mm according to certificate, the sapphire weighing approximately 3.2 carats, not heated, the central gem surrounded by a wreath of diamonds, approximate ring size: 5.5, 18 K gold; overall weight: 4.8 g.; the sapphire accompanied by an American Gemological Laboratories Brief certificate