below diamond foliate cap and surmount flanked by cabochon onyx droplets, below a channel set line of calibre cut onyx with diamond foliate ends, from oval cabochon tops with diamond accent details, all millegrain set in platinum with gold fittings and backs with French assaymarks for platinum and gold and workshop mark possibly PA Length 7cm / 2�''
Width across onyx droplets 1cm / 3/8'' Weight: 10.5g
Antique emerald five stone ring, c.1850, claw set with graduated square cut corner step-cut stones, carved gold sides, total emerald weight approximately 2.75cts