AN ART DECO EMERALD AND DIAMOND RING
The central square cut-cornered emerald, claw-set, to single-stone baguette-cut diamond shoulders, raised on a plain hoop, 1927, Janesich case Accompanied by report no.06550 dated 26 October 2012 from The Gem & Pearl Laboratory, London, stating the emerald is of Colombian origin, with minor clarity enhancement