
Commitment
Sustainable Luxury
Astrea London was founded on a simple conviction: the finest jewellery should not require anything to be taken from the earth.
Sustainability here is not a campaign; it is a set of decisions about origin, materials, craft and proof — each of them verifiable.
Origin
Diamonds without extraction
Every Astrea stone is grown, not mined. No riverbed is diverted, no landscape displaced, no community disrupted to bring it into being — and its journey from seed to setting is documented at every step.
Materials
Metals, packaging, workshop
- Recycled precious metals
- Our 18K gold and platinum come from refiners working with recycled material and audited supply chains.
- Considered packaging
- Presentation cases and shipping materials are FSC-certified, plastic-free and made to be kept.
- Made to order
- We produce to order rather than to stock, which removes waste and unsold inventory from the equation.
- Built to be repaired
- Cleaning, polishing, rhodium renewal and stone tightening are offered for life: the least wasteful piece is the one worn for decades.
Transparency
Verifiable, not asserted
Sustainability claims mean little without proof. Each centre stone carries an IGI report you can verify with the laboratory yourself, our precious metals are hallmarked to UK standards, and Astrea London is a registered Assay Assured Jewellery Retailer.
Philanthropy
Giving back
A share of proceeds from selected collections supports causes close to the maison — education for young women and the protection of natural landscapes. We commit to the same transparency here as with our stones, and report on what has been given.
To learn more about our stones, their certification and the atelier behind them, continue with the maison.