Lyon & Turnbull
A Scottish hardstone set brooch
of circular scalloped outline, collet set with a central round cut Cairngorm in a domed surround set with various agates, the scalloped border similarly set with agates and detachable claw set citrines, modelled in unmarked gilt metal, with brooch and pendant fittings
Diameter: 56mm
Estimate £ 300-500 + fees

Sold for £875 (buyer's premium included)