Art Deco sapphire and diamond bow brooch by Mauboussin, Paris, the openwork centre of buckle design featuring an oblong cushion cut sapphire of approximately 1.25ct,
between square cut sapphires and centring the geometric diamond frame, from this issue the flaring openwork diamond set ties each with stepped lines of square cut sapphires flanking, the diamond ground pave set with old brilliant, single and double-eight cut diamonds and featuring a larger old cut diamond to the open middles, mounted in platinum and white gold, serial number 0667, French workshop mark for R_, French assaymarks, together with a fitted Mauboussin case, unsigned but accompanied by a photocopy of a Mauboussin Certificate of Authenticity signed by Marguerite de Cerval Length 5.9cm / 2�''
Width 3cm / 1 1/8''
Central sapphire approximately 7.50 x 5.05 x 3.35mm Weight: 21.5g
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
Art Deco sapphire and diamond bow brooch by Mauboussin, Paris, the openwork centre of buckle design featuring an oblong cushion cut sapphire of approximately 1.25ct,