The blue-topaz's lustrous, shifting rainbow colors are perfectly balanced by a twinkling sea of prong-set round diamonds. Set atop a lean, gleaming shank of 14 karat yellow gold, this flower-like design offers fresh, glorious color and sparkle to your hand. 14 round diamonds weigh 1/3 ct tw and the center oval blue-topaz measures 8 x 6 mm. Diamond Carat (Weight) 1/3 ct.tw Color I-J (near colorless) Clarity I (inclusions) Cut (Shape) Round Ships in 3 to 4 business days.