Antique ruby and diamond coronet cluster ring, circa 1800.
Antique ruby and diamond coronet cluster ring. Set to centre with a cushion shape old cut ruby in a closed back grain setting with an approximate weight of 0.50 carats, encircled by a single row of eight rose cut diamonds in closed back silver cut-down settings with an approximate combined weight of 1.00 carats, flanked by heavy smooth shoulders leading down to a solid flat shank. Tested yellow gold, circa 1800.