Paraíba tourmaline cabochon and diamond necklace, set in platinum, from Martin Katz jewellery, features a 10.46ct Paraíba tourmaline pear-shape cabochon drop, and is set with a further 91 cabochon Paraíba tourmalines, along with 141 round diamonds. Detach

Paraíba tourmaline cabochon and diamond necklace, set in platinum, from Martin Katz jewellery, features a 10.46ct Paraíba tourmaline pear-shape cabochon drop, and is set with a further 91 cabochon Paraíba tourmalines, along with 141 round diamonds. Detachable matching earrings are also available.