Tudor sapphire ring. Set with a natural unenhanced facetted sapphire in a closed back rubover setting with an approximate weight of 6.00 carats, to an impressive ring with an octagonal shaped bezel with stepped gold border, the heavy broad shoulders leading into a D-shape shank. Tested yellow gold, approximately 22g in weight, circa 16th century, accompanied by an Oxford Labs X-ray fluorescence report stating the composition of the metal.
