Ethical, Lab-Grown Diamonds

Browse our collection of engagement rings, wedding bands, and fine jewellery. Cornish-inspired designs that don't cost the planet.

Take Our Ring Finder Quiz Top 10 Engagement Rings

Fine Jewellery

Engagement Rings

Engagement Rings

Wedding Rings

Wedding Rings

Gifting Jewellery

Gifting Jewellery

Find your style

The Kaia | Stud and Chain 1.94ct Diamond Earrings

The Kaia | Stud and Chain 1.94ct Diamond Earrings

$1,862.00
View details
The Monroe | Pear Cut 1.25ct Diamond Necklace

The Monroe | Pear Cut 1.25ct Diamond Necklace

$1,159.00
View details
The Riley | 0.75ct Lariat Diamond Necklace

The Riley | 0.75ct Lariat Diamond Necklace

$849.00
View details
The Veda | Pear Cut 1.5ct Diamond Earrings

The Veda | Pear Cut 1.5ct Diamond Earrings

$1,145.00
View details

Shop the stack

The Kelynen | VS1 D-E Lab Diamonds. 100% Recycled 9k Gold Nature Stacking Ring

The Kelynen | VS1 D-E Lab Diamonds. 100% Recycled 9k Gold Nature Stacking Ring

$593.00
View details
The Bryher | VS1 D-E Lab Diamonds. 100% Recycled 9k Gold Stacking Ring

The Bryher | VS1 D-E Lab Diamonds. 100% Recycled 9k Gold Stacking Ring

$738.00
View details
The Rosenwyn | VS1 D-E Lab Diamonds. 100% Recycled 9k Gold Stacking Ring

The Rosenwyn | VS1 D-E Lab Diamonds. 100% Recycled 9k Gold Stacking Ring

$545.00
View details
The Demelza | Lab Diamonds. 100% Recycled 9k Gold Accented Ring

The Demelza | Lab Diamonds. 100% Recycled 9k Gold Accented Ring

$690.00
View details

Some of our favourites

100% Recycled Gold. Lab-Grown Diamonds. Ethical Jewellery.

The Sira | Elongated Cushion Lab Diamond Solitaire Engagement Ring model wearing sustainable diamond jewellery from cornwall with elongated cushion hidden halo lab diamond engagement ring

The Sira | Elongated Cushion Lab Diamond Solitaire Engagement Ring

$2,593.00
The Phoenix | Half-Textured 9K Gold Medallion Pendant The Phoenix | Half-Textured 9K Gold Medallion Pendant

The Phoenix | Half-Textured 9K Gold Medallion Pendant

$959.00
The Linnea | 1.2ct Diamond Huggie Earrings The Linnea | 1.2ct Diamond Huggie Earrings

The Linnea | 1.2ct Diamond Huggie Earrings

$1,090.00
The Evelyn - Coloured Diamond | Emerald & Trapezoid Cut Lab Diamond Trilogy Ring

The Evelyn - Coloured Diamond | Emerald & Trapezoid Cut Lab Diamond Trilogy Ring

$2,414.00

Plant Trees & Save Bees With Every Purchase

We've partnered with 1% For The Planet and Greenspark to help give back with every purchase. Our ethical jewellery is inspired by the beautiful sea, cliffs, and shores of Cornwall. We see first hand the effect we have on the environment.
Learn More
Main image

Design your own ring with Laura

Every love story is unique, and your ring should be too. Our lead designer works closely with you to create a bespoke piece that captures the essence of your relationship. We collaborate every step of the way to bring your vision to life.

Start Designing
Main image

Find out how Elaine started Ethica

Ethica Diamonds was born from a simple belief: that luxury and ethics should never be at odds. Elaine saw an industry that wasn't living up to its values, and decided to change it.

Learn more