the heart shaped fancy facetted aquamarine, of double rose cut, bordered by two rows of rose cut diamonds all open millegrain set in platinum and gold.
Provenance:
Formerly belonging to Tsar Ferdinand I of Bulgaria.
Ferdinand I (Ferdinand Maximilian Karl Leopold Maria; 1861-1948) was Prince of Bulgaria from 1887 to 1908 and Tsar of Bulgaria from 1908 until his abdication in 1918.
Length: 2.6cm / 1''
Width: 2.5cm / 1'' Weight: 10g
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,