Oui is Nikos Koulis’ most celebrated collection. It has a distinctive range of work from easy pieces to one-of-a-kind collectibles. Koulis' innovative signature style with the black enamel element and exceptional quality of stones is intertwined with an Art Deco timeless flair. The collection is constantly enriched with novelties, one-of-a-kind pieces and additional stories deriving from its core, like the new A-Round Series with movement and fluidity.