(Clockwise from top left) Tiered Crystal necklace, £540, mawi.co.uk

Leather string, raw edged flower necklace, £485, Marni, 26 Sloane Street, London SW1, 020 7245 9520

24-karat gold- plated leaf necklace £290, Oscar de la Renta, theoutnet.com

Blue and Silver Spike Gems necklace, £135, Lulu Frost, whistles.co.uk

Limited Gold Diamante Spike and Pearl Necklace, £12.99, newlook.com