Antique Engagement Ring Edwardian .90 Round Cut Sapphire in 14k Yellow Gold & PlatinumThis engagement ring is from the Edwardian Era, a very brief period between 1901 1915. The center stone is a cornflower blue, cushion cut sapphire weighing . 90 carats and is surrounded by ten (10) prong set diamonds weighing . 75cttw. The top of the ring is made of Platinum while the shank of the ring is 14 karat yellow gold. The color of this sapphire is a stunning bluish purple and has a beautiful sparkle.