Attributed to Charles de Temple, brooch

Attributed to Charles de Temple, a cultured pearl and diamond brooch/pendant, 1970s, of abstract design in bicoloured, textured gold, centring on a trio of grey baroque cultured pearls, accented with brilliant-cut diamonds, measuring 7.2 x 6.4cm, unsigned, case stamped Charles de Temple, the interior stamped 'Designed Exclusively for Watches of Switzerland'