Jessica McCormack, ‘Anger’ diamond, ruby, 18k yellow gold and silver pendant necklace, from the XIV collection. Designed as an arrow, the head set at the centre with pear-shaped diamond weighing 0.58 carat, surmounted by a cabochon ruby, continuing to the fletching,set with brilliant-cut diamond feather detail weighing 0.17 carat, mounted in 18k yellow gold and oxidized silver, on an oxidized silver chain, decorated with a gold and silver grizzly bear claw. £10,500