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 diamond and emerald heart pendant-brooch, c.1900, centred by an inverted pear shaped Colombian emerald to a pave set old brilliant cut diamond ground, open cut down collet set in platinum and yellow gold to back, wave pierced scroll gallery, hinged pendant loop to verso and with detachable brooch fitting accompanied by AGL report no. 1124775 giving a Colombian origin opinion for the emerald with insignificant oiling