The rivière comprised of 41 graduated cushion-shaped stones, on a single stone clasp, the brooch designed as one large cushion-shaped stone mounted at the centre in a closed setting within a border of 9 similarly shaped stones, pinched collet setting mounted on silver and gold, the brooch in foiled closed-back settings, with a later brooch fitting length of rivière approximately 421mm, diameter of brooch approximately 32mm.
Provenance
Given by the Prince of Wales, later George IV, to George Simon, Viscount Nuneham, later 2nd Earl of Harcourt
Thence by descent
Exhibited
Christie's, The Glory of the Diamond, early 1950s