NIKOS KOULIS Oui 18-karat white gold, emerald, diamond and enamel necklace

Nikos Koulis captures the high-octane glamour of the Art Deco era with this 16 inch 'Oui' necklace. Cast from 18-karat white gold, it's set with glossy black enamel and glowing emeralds illuminated by light-catching diamonds. Wear yours with matching pieces from the collection.