Opsydia, a UK-based gemstone etching spinout from University of Oxford, emerged out of stealth yesterday with a £1.9m ($2.5m) seed round backed by university venture fund Oxford Sciences Innovation.
The round also featured investment firm Parkwalk Advisors, which had already revealed its involvement in the round in December 2017.
Founded in July 2017, Opsydia has developed laser technology to etch images and text, such as hallmarks and security information, at one-fiftieth the size of a human hair within diamonds…
