Antique solitaire star sapphire ring. Set vertically with an oval cabochon natural unenhanced star sapphire in a closed back rubover setting with an approximate weight of 10.00 carats, to a smoothly conforming gold frame and leading to broad shoulders which taper through to a solid D-shape shank. Tested yellow gold, circa 1900. http://www.berganza.com/ref-21446-Antique-solitaire-star-sapphire-ring-circa-1900.html?search_id=95728&page_num=0&page_size=18
