the flat rectangular panels in rose, lemon and white gold with a geometric pattern of repeating trapezium, triangles and rectangles, French assaymark and partial workshop mark.
Gross & Cie were one of the workshops making for Cartier during the middle of the 20th century Length 19cm / 7�''
Width 1.7cm / 5/8''
Depth Weight: 48g
Early 20th century yellow sapphire, sapphire and diamond cluster brooch, c.1910, centred by an 11.90ct Ceylon yellow sapphire of old square cushion cut and lemony-yellow hue,
Large early 20th century diamond set articulated openwork oval brooch-pendant, c.1905, possibly French, featuring a knifebar lattice with central yellow diamond, of approximately 0.65ct, in white diamond flowerhead cluster,