A tourmaline, garnet, emerald and diamond fibula brooch, by JAR. Estimate CHF100,000 – CHF150,000 ($109,668 - $164,502). Photo Christie's Image Ltd 2015

Designed as a series of graduated crosses, set with circular-cut multi-colour tourmalines, garnets and diamonds, suspended from a gold pin with a tourmaline and diamond-set terminal, enhanced with a cabochon emerald, mounted in silver and gold, 1993, 12.4 cm, with French assay mark for gold, in pink leather JAR case - Unsigned 

Literature: JAR I, Exhibition at Somerset House, London, November 2002-January 2003, no. 363 

Christie's. MAGNIFICENT JEWELS, 13 May 2015, Geneva