Rabun was born in Bitburg, Germany. Before her family settled in Northern California. Having studied fashion design in Los Angeles, she began designing jewellery in Los Angeles in 1988.In 1989, she moved to London and launched her first collection of jewellery in 1990.

In 1999, she began a long-term collaboration with the Scandinavian luxury brand George Jensen, launching her first collection with them, Offspring in 2002 and one year later her Cave collection.

Today, Rabun is based in London, where she works as jewellery designer and silver craftsman.