Hallmarked, 18ct, yellow and white gold, oval opal and diamond set cluster ring

The ring consists of one central oval opal measuring approximately 17mm x 14mm, with an estimated total weight of 6.28cts, surrounded by twenty four "brilliant cut" diamonds,1.4mm in diameter, with an estimated total weight of surrounding diamonds 0.27cts.

On each side of the shank there are a further three round "brilliant cut" diamonds, 1.5mm in diameter, with an estimated total weight 0.636cts.