Stephen Webster rock crystal hinged bangle

A rock crystal and diamond-set hinged bangle by Stephen Websterfrom the 'Crystal Haze' collection, of bifurcated sprung form with top opening, the central oval rose-cut rock crystal with a closed back pale green backing (a/f), raised above a brilliant cut diamond and open-work tapering band, stamped "SW / 18k" and with maker's monogram and logo, with signed contemporary maroon box with interior cushion, both with maker's logoinner diameter 5.4cm approx, total weight 51.9gCondition: Overall condition fair: green backing to rock crystal creased but otherwise little sign of wearNot overlarge - fits closely to 16cm wristBox with minor wear to external corners/edges