A cabochon ruby and diamond necklace, circa 1933Estimate CHF70,000 - CHF80,000 ($50,946 - $58,224). Price Realized CHF74,750 ($54,403). Photo Christie's Image Ltd 1998

The front section designed as two cabochon ruby swags with baguette-cut diamond trim and three pavé-set diamond graduated scrolled shoulders to the cabochon ruby, circular and baguette-cut diamond twin-line backchain, circa 1933, 36.0 cm.

With certificate 32707 dated 2/10/1998 from the SSEF Swiss Gemmological Institute stating that the rubies are of Burmese origin and show no indications of thermal enhancement

Christie's. ART DECO JEWELLERY, 17 November 1998, Geneva