Opt scored an exit as the jewellery subscription service was purchased by jewellery retailer Signet for an undisclosed sum.

Diamond jewellery retailer Signet has acquired US-based jewellery rental service Rocksbox for an undisclosed amount, allowing digital marketing agency Opt to exit.

Founded in 2012, Rocksbox runs a subscription service enabling users to borrow jewellery through its online platform. Signet is buying it as part of a drive to strengthen the services part of its business.

The company emerged through accelerator MuckerLab in 2013 before securing $1.5m from Matrix Partners and angel investors Ellen Levy and Sonja Perkins the following…

Robert Lavine

Robert Lavine is special features editor for Global Venturing.