Magnificent sapphire and diamond ring. The sapphire has exceptional medium blue color. It measures 11.00x7.70x4.46mm and weighs 4.46cts. There are 12 transitional diamonds around the center stone that have G color and VS clarity and weigh 3.00cts. The mounting is 14k yellow gold and platinum. The sapphire is believed to be Ceylon in origin and from the 1940's.