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
Late 19th century / early 20th century 'Noeud Louis XVI' diamond openwork ribbon bow brooch by Cartier, Paris c.1902, the loops and ribbon ends centred by alternating single stone and quatrefoil clusters,