The Cornish Diamond Co.

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.
33 / 5Eco rating · Part natural
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By the numbers

The Smart Read

Throne ratingPart natural
3/5
Measured against The Throne Standard
Metal
Recycled gold and recycled platinum (with lab-grown diamonds)
Made in
Castings made in India; hand-set and finished in the UK
Verified
Verified
Ships to
Worldwide
Eco score, brand by brandThrone scan
3/5
The Cornish Diamond Co.
3/5
Ethica Diamonds
3/5
Luna & Rose
3/5
fejn jewelry
3/5
Temple of the Sun
3/5
AUrate New York
2/5
FUTURA Jewelry

At a glance

Brand

CountryUK (Cornwall)
Made inCastings made in India; hand-set and finished in the UK

Who's behind it

OwnerIan Dibb (Founder) and Olivia Pountney (Co-Founder & Managing Director)

Materials & sourcing

MaterialsRecycled Gold, Recycled Platinum, Lab-Grown Diamond
TypeRings
MetalRecycled gold and recycled platinum (with lab-grown diamonds)
Recycled metal100% recycled

Getting it

ShippingWorldwide
Free tool · no login

Will it turn your skin green?

"Hypoallergenic" isn't a regulated word. Paste the metal and stones and we tell you if it's a real skin-safe metal or nickel-laden plated brass. And whether it's recycled or freshly mined.

The brand

The Cornish Diamond Co.

Where this brand isn't perfect

Checked against the official register

Every certifier this brand claims, with a direct link to the proof where it exists, or flagged where it is only the brand’s word.

Lab-grown diamonds set in recycled gold and platinum refined from existing precious metals.
Lab-grown diamonds set in recycled gold and platinum refined from existing precious metals.
View sourceVerified 15/08/2026

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Straight answers

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