Ostara London is a Surrey-based jewellery studio creating bespoke pieces from lab-grown diamonds and reworked heirloom materials. Sustainability is woven into their craft, from the materials they choose to the way they help customers breathe new life into cherished jewellery.

In this episode, co-founders Rosie Verrill and San Low explain why they see sustainability through the lens of circularity, and how redesigning, repurposing and reimagining existing pieces can create both environmental and emotional value.