An unusual synthetic emerald crystal and diamond brooch / pendant, 1973, of abstract inspiration and tapering design, composed of three parts, the first centring a free-form synthetic emerald mounted within a brushed gold surround of twisted ribbon detail, suspending two articulated sections, set throughout with round brilliant-cut diamonds, maker's mark CJL for Cyril Jack Lewis, diamonds approximately 1.00 carat total, mounted in 14 carat yellow gold, London assay mark, 1973, length 12.0 cm