After avoiding lab-grown diamonds for years, luxury brands are finding they have their uses.
In recent months, Prada, watchmaker TAG Heuer and LVMH-owned jeweller Fred have all unveiled new products featuring lab-grown stones. Prada revealed a jewellery collection in October featuring diamonds grown in the shape of its triangle logo. The month before, Fred introduced blue-hued diamonds crafted to reflect the play of sunlight on the sea. TAG…