Aug.02 — Lab-grown diamonds, made for decades as an inexpensive alternative to mined stones for industrial purposes, are cracking the consumer market. In recent years, the technology to produce gem-­quality stones has improved dramatically and is shaking up the $80 Billion dollar diamond industry. Diamond wafers are also being developed to power the future of Silicon Valley with technological applications to power 5G networks, satellites, and quantum computing. Emily Chang visits a diamond lab in San Francisco to see how these gems are created.