The color and quality of this Persian turquoise and diamond ring is beyond compare. This classic, custom estate ring has polished sea green Persian turquoise that forms the side of this ring. The impact of this unique turquoise color is amazing! Nestled between the polished turquoise is a field of intense diamonds. Hallmarked 18kt. Diamonds measure appx 1.00 ct tw, Color: G-H, Clarity VS1, Cut: Brilliant. This ring measures W5/16 and from design left to right 2 inches. From a fantastic southern estate. Circa 1970s.