Cover Charleston necklace in white gold set with onyx and diamonds by Chanel; Libre Plumetis bracelet in white gold set with diamonds by Dior Joaillerie; ring in white gold set with diamonds by Chopard. Suit by St John; top by Ninety Percent + Net Sustain, available at Net-a-Porter

Courageous colours, dynamic designs and commanding cuts: these are the hallmarks of high jewellery that exudes strength and authority. From Chanel's onyx-lined Charleston necklace to Tiffany & Co's butterfly-themed necklace, these are classic pieces that will last a lifetime.

(Related: Meet The Women Behind The World's Best Jewellery Brands)