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Explore / Jewellery / Rings / The Cornish Diamond Co.
Jewellery · United Kingdom

The Cornish Diamond Co.

Verdict Fully natural

The Cornish Diamond Co. sells part recycled jewellery that we checked source by source for recycled metals and ethical sourcing. See its verified sustainability rating and review to help you buy ethical, recycled metal jewellery.

Throne score · Eco Score
5/5 Fully natural
Complete saved catalogue reused: 30 SKUs scanned, 0 filtered, 30 scored. Every included SKU has composition evidence and its own source URL. No rescan was needed.
Against jewellery
Records scored in jewellery13
Category average4.5/5
Scores below this one31%
5/5 Fully natural
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Find them
Instagram @thecornishdiamondco

About The Cornish Diamond Co.

29 of 217 fields held
Everything the scan holds on this record, grouped by subject. Blue bars show how much information is held; they are not positive or negative scores. Fields with nothing behind them are counted, not listed.
9 groups · 29 fields
Materials and composition 1 of 25
Material(s) 20862, 20864, 20868
Scan result 13 of 57
Scan note (above product table) Complete saved catalogue reused: 30 SKUs scanned, 0 filtered, 30 scored. Every included SKU has composition evidence and its own source URL. No rescan was needed.
Score (1-5) 5
Score label Fully natural
Last scanned 2026-09-11
Full catalogue scan? yes
Reason / scan status Yes. 100% of the saved catalogue is accounted for; every included SKU has complete composition evidence and its own source URL.
Method version Throne Standard saved-evidence reuse 2026.09
In-scope catalogue total 30
Products read 30
Products in catalogue 30
Catalogue read % 100
Sustainability score 5
Scan products total 30
Sourcing and supply chain 2 of 23
Gemstone: sourcing lab
Claim sources 1
Ownership and legal entity 1 of 18
Owner Ian Dibb (Founder) and Olivia Pountney (Co-Founder & Managing Director)
Identity 2 of 24
Brand name The Cornish Diamond Co.
Made in Castings made in India; hand-set and finished in the UK
Recycled and circular 1 of 2
Metal: recycled / mined status recycled
Claims and evidence 1 of 10
Verification status verified
Delivery and shipping 1 of 4
Shipping Worldwide
Further detail 7 of 54
Excerpt Lab-grown diamonds set in recycled gold and platinum refined from existing precious metals.
Country United Kingdom
Ethics / sustainability page thecornishdiamondco.com thecornishdiamondco.com
Jewellery type(s) 20881
Metal: type (e.g. sterling silver, 14k gold) Recycled gold and recycled platinum (with lab-grown diamonds)
Assessment status not_assessed
Google description 100% of The Cornish Diamond Co.'s 30 products are made from natural or recycled materials, scored 5 out of 5. This is a full check of every product, not a sample. Expect lab-grown diamonds and 18k gold.
Filed under 7 terms held
Lab-Grown Diamond Recycled Gold Recycled Platinum Rings Ethical Engagement Rings Wedding Jewellery Recycled Gold Jewellery

Boycott lists

5 lists
Every list we check, and what each one says about this brand and its parent. A brand absent from a list is shown as not listed, which is a result, not a gap.
ListResultWhat the list says
BDS Movement bdsmovement.net · priority targets Not listed Checked 2026-09-12 Not named among the current priority boycott, organic-boycott or pressure targets. Consumer boycott targets named by the Palestinian BDS National Committee. Open the source
Ethical Consumer ethicalconsumer.org · current boycotts Not checked Ongoing consumer boycott calls, with the reason and who called it.
No Thanks No Thanks app Not checked Crowd-maintained list of companies to avoid, checked by barcode.
Boycat Boycat app Not checked Campaign-led list covering brands and their parent companies.
Who Profits whoprofits.org Not checked Companies named in the research database on the occupied territories.
A listing is a fact about the list, not our verdict. It sits beside the scan; it does not move the score.

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Named mills, factories and suppliers
Every certificate as checked on the register
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