Oui is Nikos Koulis’ most celebrated collection. It has won the Couture Design Award for two consecutive years. Koulis' innovative signature style with the black enamel element and exceptional quality of stones is intertwined with the Art Deco timeless flair. The collection is constantly enriched with new styles, in stunning combinations with special cut stones, one-of-a-kind pieces and additional stories deriving from the collection's core.