18ct Yellow gold set oval-shaped emerald ring with a platinum band and diamond halo.
This oval-cut emerald is a transparent bright green that is enhanced by the yellow gold halo and surrounding white diamonds. This piece is made from platinum making it likely from the later stages of the Edwardian period, heading into the Art Deco era.
Oval shape emerald = 1ct
14 x round brilliant cut diamonds = 0.60ct