The octagonal step-cut ruby, weighing 6.49 carats, the mount decorated with single and baguette-cut diamonds and calibré-cut ruby accents, one ruby deficient, ring size N

Accompanied by a report from GCS stating that the ruby is of Burmese origin, with no indications of heating. Report number 5775-2330, dated 2 July 2015.

Bonhams. FINE JEWELLERY, 24 Sep 2015 12:00 BST -LONDON, NEW BOND STREET