A SAPPHIRE AND DIAMOND "TROMBINO" RING, BY BVLGARI

A SAPPHIRE AND DIAMOND "TROMBINO" RING, BY BVLGARI Set with a square-cut sapphire, weighing approximately 18.55 carats, to the baguette-cut diamond shoulders and circular-cut diamond surround, mounted in platinum <i>Signed BVLGARI</i> <i>With report CS 54691 dated 19 April 2013 from the American Gemological Laboratories stating that it is the opinion of the Laboratory that the origin of this sapphire would be classified as Ceylon (Sri Lanka). No gemological evidence of heat</i>