Quatre by Boucheron Cologne. Quatre by Boucheron is a men’s perfume that was created in 2015. The fragrance is stylish, elegant, and woody. The top notes are lemon, lime, and violet while the heart notes are jasmine sambac and rose. The base notes are cedar, cashmere, and musk. The flacon is a cylindrical shape inspired by the famous jewelry collection of Quatre rings. The upper part of the flacon is a replica of the ring design and is designed not to be removed from the bottle.