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Mine, not mined.

Mine, not mined.

Custom lab-grown diamond rings. Ethically made, made-to-order, and made to give back.

Discover the one.

Discover the one.

Lab-grown diamonds, styled without compromise. Find the ring that’s unapologetically yours.

Diamonds, just because.

Diamonds, just because.

Not every diamond marks an engagement. Some are just for you.

IGI Certified

Every diamond graded by the world’s leading lab. No guesswork, just proof.

Built to Give Back

1% of every ring funds women & children in Tanzania. Giving back is built in.

Complimentary Engraving

From initials to dates or a secret message, it’s the detail that makes it truly yours.

Proudly Female Founded

Una Diamond was created by women to challenge the old guard and reshape what luxury looks like.

Our customers' picks

Roma

Bold by design. A sculptural signet that refuses subtlety.

Sora

Smooth, domed, and sleek. A modern signet with everyday ease.

Aurelia

Three stones in harmony. Symmetry with light-catching brilliance.

Georgina

The classic oval solitaire, made unapologetically modern.

"If you want beautiful custom made jewellery, fantastic customer service and something very unique that will last you a lifetime, look no further"

Rings in real moments

FROM SKETCH TO STONE

Choose your metal, diamond, and setting. Handmade in 6 weeks, entirely yours.

Una Diamonds x forever projects

Every ring gives back

We’ve partnered with Forever Projects to donate 1% of all diamond sales through Pledge 1%, helping mothers break the cycle of poverty and build a brighter future. Every Una Diamond purchase helps fund food, education, and startup support for women and families in Tanzania.

FAQ

What are lab-grown diamonds?

Lab-grown diamonds are diamonds that are created in a controlled laboratory environment using technological processes that replicate the natural conditions under which diamonds form in the earth.

Are lab-grown diamonds real diamonds?

Yes, lab-grown diamonds are chemically and optically identical to mined diamonds. They have the same physical, chemical, and optical properties as natural diamonds.

How are lab-grown diamonds different from mined diamonds?

The main difference is their origin: lab-grown diamonds are created in a laboratory, while mined diamonds are naturally occurring gems extracted from the earth through mining.

Can lab-grown diamonds be certified?

Yes, our lab-grown diamonds are IGI certified just like mined diamonds.

Are lab-grown diamonds more affordable than mined diamonds?

Generally, yes. Lab-grown diamonds are often priced at a more competitive point compared to natural diamonds of similar quality, making them a cost-effective choice.

Can lab-grown diamonds be customized?

Yes, lab-grown diamonds can be customized into various shapes and sizes, and they can be set in different metals and settings according to your preferences.

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