Antique Engagement Ring Art Deco .70 Round Cut Sapphire in 18K White GoldThis original antique engagement ring has been restored features a round cut blue sapphire weighing . 70 carats. The art deco era mounting has classic detailing of this time period with delicate floral flourishes and open work throughout the setting. The sapphire has a rich blue tone and is box set in the center. Cast in 18 karat white gold, this ring is a timeless piece sure to be treasured.