Emerald diamond green and clear lab diamonds set into 18k gold. Ethical and sustainable carbon negative jewellery made in cornwall

Bespoke Rings

Create a bespoke piece as unique as you are.

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Antique style 1.85ct emerald cut lab diamond engagement ring with baguette and melée accents.

Spring Collection

Discover conscious luxury made for the new season

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Fine Jewellery

Top Ten Engagement Rings

Top Ten Engagement Rings

Wedding Rings

Wedding Rings

Earrings

Earrings

Pendants

Pendants

The Sira

The Sira

The Phoenix

The Phoenix

The Linnea

The Linnea

The Evelyn - Green

The Evelyn - Green

Trees that symbolise sustainability in cornwall

Our Sustainability

Proud to be partnered with:

Born Free
Cornwall Air Ambulance
Surfers Against Sewage
Cornwall Wildlife Trust
How Many Elephants

Giving Back With Every Purchase

Our Cornish designs are inspired by the beautiful sea, cliffs, and shores of Cornwall. We see first hand the effect we have on the environment which is why we help fund projects such as 1% For The Planet and Greenspark, an initiative to plant trees for every purchase.
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Ethical Diamond Rings

Discover our collection of lab-grown diamond and recycled gold jewellery. Each piece is created with integrity. Lab diamonds require significantly less environmental impact than mined alternatives. Perfect for those who value beauty without compromise.
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Our Story

Meet our founder

Elaine started Ethica Diamonds to shift the long engrained social norms around diamond jewellery shopping. To create a brand where luxury and sustainability meet.

Meet our designer

With over 15 years of experience, Laura's true passion lies in designing beautiful, meaningful engagement rings that capture each couple’s unique love story.
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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. From selecting the perfect diamond to crafting intricate details that hold personal meaning, we collaborate every step of the way to bring your vision to life.

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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.

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