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
Early 20th century diamond and onyx bow brooch by Cartier, London c.1920, of double loop design with central line of graduated old brilliant cut diamonds,
Early 20th century yellow sapphire, sapphire and diamond cluster brooch, c.1910, centred by an 11.90ct Ceylon yellow sapphire of old square cushion cut and lemony-yellow hue,