Researchers at the Harbin Institute of Technology have developed technology capable of growing large, high-purity diamonds with potential industrial applications in electronics.

When Harbin Institute of Technology (HIT) held its 11th group wedding for doctoral students on May 31, each of the 187 newlywed couples was presented with a one-carat diamond ring, with the diamonds grown in the university’s laboratory. The gems were developed by Zhu Jiaqi and his team from HIT’s School of Astronautics using a technology that in theory could produce high-purity, single crystal diamonds of any shape and size – from wedding jewellery to a wafer as wide as a basketball. Known as...