cut-down collet set with a rectangular cut sapphire, outer square border of small old brilliant cut diamonds, on a four-strand wire shank with tapering and looped shoulders, close set in silver and gold.
Provenance:
By family tradition, given by HRH The Princess Mary, Duchess of Gloucester, daughter of George III (1776-1857), to her lady-in-waiting, Lady Georgina Bathurst (1792-1874) and by descent. Width 1.4cm / 9/16'' Weight: 5g
19th century cushion cut diamond cluster ring, c.1880, of rounded outline and centred by a principal square-cushion cut diamond of approximately 5.55ct,