A tanzanite and diamond ring by David Jerome, the round mixed-cut tanzanite claw-set to a pierced scrollwork mount, set throughout with brilliant-cut diamonds, stamped ‘18ct (750)’, signed ‘David Jerome’, ring size N. £2,000-£2,600

Accompanied by a report card from the International Gem Institute Testing Lab Private Ltd stating that the tanzanite is natural and weighs 3.11 carats, report number SA85671834, dated 19/04/2016.