Lab Diamonds, Grown to Perfection

Whether you buy online or in-store, your Grown by Queensmith diamond engagement ring will be completed and delivered within the timeframe listed on the product page, or as quoted by your Design Expert. This is typically 4 weeks, unless you’ve chosen a ring from our Quickship collection, which will be delivered in just 1 week.

In the HPHT process, graphite (pure carbon) is subjected to high heat and pressure, using electric pulses and metal to transform it into a diamond over several days. CVD diamonds are made by placing a small diamond piece in a chamber with heated, carbon-rich gas. This causes carbon to stick to the diamond, growing it layer by layer. Generally, HPHT creates higher quality diamonds, as CVD can quickly produce diamonds with internal flaws or a brownish colour. While CVD diamonds may need treatment to improve their appearance, which can leave them looking less clear, HPHT diamonds typically emerge with superior, gem-quality clarity without the need for additional treatment.

The energy consumption depends on many factors and conditions such as the size of the stones and the production schedule. That being said, we can calculate based on the average energy consumption vs average carats produced that the average UK household energy usage could create a 1.00ct diamond, twice over, every day.

Yes, Grown by Queensmith diamonds are produced in part with green energy, and rest is offset. Green energy is provided from the grid, including wind and solar power. While it currently isn't possible to produce enough energy with renewables alone, the rest of the energy used is carbon offset.

To bolster sustainable efforts, numerous solar panels have been installed at the laboratory – directly powering the operations and contributing to a greener diamond industry.

Grown by Queensmith diamonds are made in a laboratory that meet the rigorous SCS-007 Jewellery Sustainability Standard. As an accredited producer of Certified Sustainability Rated Diamonds, every facility within the workflow shares our commitment to ethical practices by not sourcing mined diamonds or conflict minerals. Our partner diamond laboratory have implemented stringent policies to responsibly manage water and electricity usage, ensuring resources are used economically. All waste is carefully separated and handed over to third parties for recycling or proper disposal. Moreover, the laboratory fully offsets its emissions, reinforcing our mutual dedication to the sustainability of the diamonds we use. This partnership underpins our promise to create not just exceptional jewellery, but to do so in a way that respects and preserves our planet.

Your diamond's journey will begin in the diamond laboratory based in Europe, whom we work with exclusively to cultivate our environmentally conscious diamonds. After your diamond has been grown, it is then cut and polished by specialists before heading to IGI for certification. The diamond's final stop is Queensmith HQ. For a visual journey of your diamond from source to destination, watch the video at the top of the Grown by Queensmith page.

Yes, you can rest assured that a Grown by Queensmith lab diamond has been grown by a responsible, ethical manufacturer. Our partner laboratory has undergone strict observation to ensure a fair and safe working environment, as approved by the SCS. This eradicates any concerns of unethical labour abuses and ensures the diamonds are not blood diamonds.

The SCS certify our partner lab meets the Twelve Principles of Ethical Stewardship:

1. Business Integrity
2. Human Rights
3. Worker Rights
4. Indigenous Peoples’ Rights
5. Occupational Health and Safety
6. Security
7. Community Engagement
8. Stakeholder Engagement
9. Management of Water and Energy Resources
10. Minimization of Emissions, Effluents, Wastes, Noise and Vibration
11. Ecosystem Protection
12. Reclamation and Closure