This antique circa 1900s diamond engagement ring is centered with one (1) old European brilliant cut diamond weighing 1.82 carats that is set in an eight-prong buttercup style setting. The shoulders and profile have engraved swirl design. The ring measures 8.5mm at the top, rises 6.0mm above the finger, tapering to 1.7mm wide and 0.8mm thick at the base of the shank. It is currently a size 7. We offer free ring sizing. Vintage Rose Gold Diamond Ring, Vintage Rose Gold Round Cut Diamond Ring, Vintage Rose Gold Wedding Ring With Rose Cut Diamonds, Vintage Rose Gold Diamond Ring With Prong Setting, Antique Engraved Diamond Ring With Rose Cut, Victorian 14k Gold Round Cut Diamond Ring, Victorian Yellow Gold Diamond Ring With Prong Setting, Victorian 14k Gold Diamond Ring With Rose Cut Diamonds, Luxury Antique Rose Cut Diamond Ring