In the United States, the numbers are exploding, and almost half of future brides and grooms are now engaged with a lab-made gloss. In France, if skepticism persists, there are more and more converts.
Elsa, 29, works in digital technology, carries her shopping in a tote bag and never a plastic bag. The following days, delighted, this Instagram addict couldn't help but post photos of her ring from every angle and in every situation, while enjoying a burger or a pizza, in a taxi.