BOUCHERON: A SAPPHIRE AND DIAMOND BROOCH, CIRCA 1970 Of abstract sunburst design, the textured gold rays highlighting old and brilliant-cut diamonds, accented with circular-cut sapphires, mounted in 18K gold and platinum, diamonds approximately 2.00cts total, signed Boucheron Paris, numbered, with maker's mark, possibly 'JB' for Jean Bondt, French assay marks, with grey suede Boucheron case, length 7cm