The brooch is an exceptional example of the Abstract trend in Art Deco during the 1930's. The balanced design of the two circles represents ying and yang and the concave surface of the platinum element reflects the light of the diamonds one. As in life, it is the contrast that makes one complete.
An Art Deco Egyptian-style bangle, by Cartier Paris, circa 1921. Platinum, gold, cushion-shaped sapphire, octagonal emerald, faceted and calibré sapphires and emeralds, old-cut diamonds and enamel. Cartier generally labelled this kind of bangle 'Egyptian', 'Sudanese' or 'Indian'.
JADEITE, DIAMOND AND SAPPHIRE BROOCH, CARTIER, CIRCA 1950 The jadeite plaque of translucent intense emerald green colour, carved with a crane and mythical beast, symbolising longevity, surmounted by a Chinese eternity knot set with circular-cut diamonds, highlighted by half moon-shaped diamonds, circular-cut sapphires and sugarloaf cabochon sapphires, the diamonds and sapphires together weighing approximately 1.80 and 3.00 carats respectively, mounted
JADEITE AND DIAMOND RING, 1930S The central oval cabochon jadeite within a mount of radiating geometric design set with single-cut and baguette diamonds, size N ½, accompanied by a case from Harrods, London.