A 14ct gold opal and diamond ring, centring a 15.8 x 10.8 mm solid opal (approx. 4.5ct) displaying broad spectrum colours surrounded by 20 round brilliant cut diamonds totalling an estimated 0.40ct in a reeded setting, size at top 25.5 x 18.7 mm, height 12.5 mm, size J, wt. 21.94g.