Diptyque 34 boulevard saint germain Eau de Toilette, 1.7 oz./ 50 mL 34 boulevard saint germain is a fragrance celebrating Diptyque's 50th anniversary. 34 encapsulates the scent of its first boutique located on 34 boulevard saint germain with rare and precious fragrances. The result is a fragrance that has an innovative and complex signature. Developed around a chypre backbone, the base notes of wood and balms add comfort and create addiction. It is a rich and voluptuous fragrance which is sui.