AN 18CT OPAL AND DIAMOND BANGLE, the oval opal

AN 18CT OPAL AND DIAMOND BANGLE, the oval opal cabochon, approx. 13.4 x 10.2 x 9.2mm, set within a star shaped frame and surrounded by old cut diamonds, with bifurcated tapered band set to centre with three tapered round diamonds, total weight of diamonds estimated approx. 2.58cts, stamped '750' beneath opal mount, hinged with plain lower half, inner diameter 6cm, (31.3g), cased
Condition Report: Opal good with good play of colour. Diamonds bright and well matched. Band clean and tidy with minimal wear.