India, Aug. 23 -- Lab-grown diamonds are increasingly moving from the margins to the mainstream of India's jewellery market. Industry estimates put the country's lab-grown diamond jewellery segment at roughly $450 million this year, with projections of it nearly quadrupling over the next decade on the back of falling prices, wider IGI-certification standards, and a younger buyer base drawn to the category's affordability and sustainability credentials. India's lab-grown diamond exports have also overtaken natural diamond exports by volume for the first time, industry data shows, underlining how quickly the shift is unfolding. Reflecting this momentum, contemporary luxury label MINAKI opened its first standalone store in Connaught Place, N...