Rare demantoid and diamond coronet cluster ring. Set with a cushion shape old cut natural unenhanced demantoid garnet with characteristic horsetail inclusions in an open back claw setting with an approximate weight of 4.00 carats, bordered by a single row of twelve cushion shape old cut diamonds in open back grain and claw settings with an approximate combined weight of 1.60 carats, to an impressive cluster with a finely pierced gallery and backholing, flanked by smoothly conforming shoulders and a slim ridged shank. Tested yellow gold, circa 1900, accompanied by Gem and Pearl Laboratory report #06835 and Gemmological Certification Services report #5782-128.
