https://ift.tt/2wwdHAe Lab-Grown Diamonds? This New Paris Jeweler Says They’re the Future Jewels and Jewelry, Diamonds “The time has come for change,” Manuel Mallen, co-founder of the new Courbet company, said. NAZANIN LANKARANI https://ift.tt/2OcUOXG September 11, 2018 at 05:30AM