Antique emerald and diamond coronet cluster engagement ring. Set horizontally to center with an octagonal emerald-cut natural Chivor emerald with no colour enhancement in an open back claw setting with an approximate weight of 1.20 carats, encircled by a single border of ten cushion shape old cut diamonds in open back claw settings with an approximate combined weight of 1.00 carats, to an elegant oval shape cluster with intricate pierced claws and backholing, flanked by scrolling tri-split shoulders tapering to a lightly ridged shank. Tested yellow gold, circa 1890.
