19 septembre 2013
A sapphire ring, by Hemmerle
A sapphire ring, by Hemmerle. Photo: Christie's Images Ltd 2013 Set with a bezel-set rectangular-cut sapphire, weighing approximately 14.33 carats, to the iron and 18k white gold hoop, with maker’s mark. Signed Hemmerle. With report CS 54164 dated 27...