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Free insured worldwide shipping

6-week lead time, handmade to order

IGI Certified Lab-Grown Diamonds

Complimentary engraving on every ring

Every ring is handcrafted once you order. IGI certified lab-grown diamond, solid 18K gold or platinum, shipped free and insured worldwide.

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Vintage Inspired

Rings that draw from art deco geometry and vintage proportions, but are made for wearing now. Step-cut stones, tapered baguettes, and considered settings give these rings a sense of history without feeling old. All are handcrafted to order in solid 18K gold or platinum with IGI certified lab-grown diamonds.

EXPLORE THE RINGS BELOW

IGI Certified

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

Insured Worldwide Shipping

Every order is shipped fully insured, so your ring arrives safely wherever you are.

Complimentary Engraving

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

Prefer something custom?

Build your dream ring

Choose your diamond, metal, and setting - or start from scratch. We'll help you create a ring that's entirely yours.

Start building

Rings in real moments

Customer wearing their Una Diamond emerald-cut engagement ring outdoors
Lab-grown diamond solitaire ring in open Una Diamond teal ring box
Engaged couple wearing Una Diamond rings
Three hands together showing a diamond eternity ring
Engaged couple showing off their Una Diamond ring in golden hour sunlight
Close-up of hand wearing a lab-grown diamond ring with autumn foliage in background
Happy newly-engaged woman showing her Una Diamond ring

Pair it, stack it, shape your set.

From bold bands to elegant vintage pieces, each ring is handmade to order.

Pair it, stack it, shape your set.

From bold bands to elegant vintage pieces, each ring is handmade to order.

The Eva lab-grown diamond pave band in 18K white gold, top view
Bands
The Aurelia three-stone trilogy lab-grown diamond ring in 18K white gold, side view
Multi Stone
The Roma radiant-cut lab-grown diamond signet ring in 18K yellow gold, front view
Radiant
The Valencia emerald-cut art deco lab-grown diamond ring in 18K white gold, three-quarter view
Vintage Inspired

Need help deciding?

Let’s talk style, stone shapes, or self-gifting.
Book a styling consult

FAQ

What makes a ring art deco?

Art deco style leans on geometry and symmetry, often with step-cut stones and tapered baguettes, for a look that feels both vintage and clean.

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Trusted by 3,000+ subscribers with great taste.

IGI Certified

Every diamond supplied with an IGI certificate, verifying cut, colour, clarity and carat.

Handmade to Order

Your ring is crafted from scratch — designed around your diamond and your specifications.

3-Year Warranty

Every Una Diamond ring is covered by our 3-year warranty for manufacturing defects.

Made in Australia

Designed and crafted by skilled artisans in Australia, with the care your ring deserves.