Oscar Heyman diamond 'A Cheval' bracelet, modelled as a 12 mm wide articulated half round strap, centring a line of claw-set asscher-cut diamonds flanked by a graduated line of brilliant-cut diamonds, the diamonds together weighing approximately 28.74 carats, completed by a concealed box clasp, mounted in platinum, length 195 mm, numbered. Accompanied by a facsimile Oscar Heyman Certficate of Authenticy.