formed of eight end-to-end rectangular diamond set panels, each centred by an oblique square sapphire with buff-top and step cut pavilion, the diamonds of round brilliant and single cut, each joined by two-stone calibre buff-top sapphire connectors, mounted in 18ct white gold, French workshop mark, portait, second letter R flanking an arrow, French assaymark, serial number 88145 (worn and last two digits overstamped), approximately 5.40cts of diamonds in all, unsigned but accompanied by a photocopy of a Mauboussin Certificate of Authenticity signed by Marguerite de Cerval Length 17.7cm / 7''
Width 0.8cm / 2/8'' Weight: 24g
Antique three stone turquoise and diamond cluster ring, c.1900, the three graduated oval cabochon turquoise bordered by single cut diamonds, coronet claw set in gold, fluted shoulders, gold shank
Old pear cut diamond cluster ring, of lozenge outline rising at the centre, formed two old pear cut diamonds, back-to-back, further set with small cushion and single cuts, scroll carved gallery, open set in gold, total diamond weight approximately 2.90cts