Heavenly London specialises in responsibly sourced imitation diamonds – established in 1993 by Belinda Scott, it has been a pioneer in making high-end jewellery accessible for all ever since; £80, Heavenly London 

Sisters Morgan and Jaclyn Solomon co-founded Agmes in 2016. They craft each piece by hand in New York, drawing inspiration from architecture and art for their elegantly understated and carefully sculpted aesthetic; $210, Agmes 

Bittar’s bold designs are inspired by antique jewellery given to him by his parents when he was a child. Today, his designs can even be found in museums such as the V&A in London; $186, Neiman Marcus