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Made around the time Giuliano opened his own shop in Piccadilly in 1874, the lozenge form jewel, combines old cushion-mine cut diamonds, seed pearls and ‘en ronde bosse’ enamel in deep blue and white.

A near-identical pendant was sold for £4000 (estimate £1000-2000) at Cheffins in Cambridge in September 2016. However, this example, in a fitted Carlo Giuliano box, came with a more confident guide of £7000-9000 and sold to an online bidder against a collector on the phone for £13,000.

Another revivalist jewel by the maker appeared for sale at Christie’s South Kensington (25/20/12% buyer’s premium) on April 4.

Fashioned in black, white and blue enamel with ruby, emerald and diamond collets and pearl highlights, it was estimated at £4000-6000 and sold at £4500.