Courbet uses only lab-grown diamonds and recycled gold, which comes mainly from old smartphones and laptops, in order to create their jewellery.
Since November 2019, Courbet also buys diamonds produced in France by the French business Diam Concept.
[4][5] Courbet was founded in 2018 by entrepreneur Manuel Mallen and designer Marie-Ann Wachtmeister, and has Chanel among its shareholders.
[6] Courbet also received the Butterfly Mark from the independent organisation Positive Luxury, certifying that the brand is operating in line with the highest standards of sustainability across the entire value chain.
[14] In 2021, Courbet asked for a carbon report, and obtained a result of 20 kg CO2 per carat for diamonds cut and produced in France.