The Quatre collection gets white gold accents and airtime alongside ambassadors Alexa Chung, Rola, Youn-Jung Go and Mila Al Zahrani as part of Boucheron’s latest update. Image credit: Boucheron French jeweler Boucheron is engaged in a balancing act, ensuring longevity with a brand staple that is current enough to attract attention, and classic enough to have stood the test of time.