Alrosa, Russian miner and the world’s largest producer of rough diamonds by carats, has introduced a ground-breaking diamond-tracing technology using non-invasive laser marking. Unlike traditional laser engraving, this laser marking cannot be destroyed or polished off. It distinguishes Alrosa’s diamonds from others, including lab-grown, and allows them to be uniquely identified, providing detailed information about … Continue reading Alrosa introduces nanomarking technology to trace diamonds