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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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The Valencia emerald-cut art deco lab-grown diamond ring in 18K white gold, three-quarter view
The Valencia emerald-cut art deco lab-grown diamond ring in 18K white gold, top view
The Valencia emerald-cut art deco lab-grown diamond ring in 18K white gold, front view
The Valencia emerald-cut art deco lab-grown diamond ring in 18K white gold, back view
The Valencia emerald-cut art deco lab-grown diamond ring in 18K white gold, three-quarter view
The Valencia emerald-cut art deco lab-grown diamond ring in 18K white gold, top view
The Valencia emerald-cut art deco lab-grown diamond ring in 18K white gold, front view
The Valencia emerald-cut art deco lab-grown diamond ring in 18K white gold, back view

The Valencia Emerald-Cut Art Deco Diamond Ring – Lab-Grown | 18K Gold or Platinum

Band Material18K Gold
Carat Size1.5ct

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Made for you, not a shelf

IGI Certified Diamond

Ready in ~6 weeks

Free insured shipping

Each ring is handcrafted once you order. No stock. No shortcuts. Just yours.

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The Valencia Emerald-Cut Art Deco Diamond Ring – Lab-Grown | 18K Gold or Platinum

$6,500.00 AUD

Behind the piece

The Valencia Emerald-Cut Art Deco Diamond Ring – Lab-Grown | 18K Gold or Platinum

Every Una ring begins with a clear point of view and a commitment to craft. Yours is no exception.

The Valencia draws on art deco design, with a bezel-set emerald-cut lab-grown diamond flanked by tapered baguettes for a stepped, geometric profile. The low bezel keeps it comfortable and protected for everyday wear, and the side stones add depth without fuss. It's for someone who wants a bit of vintage character in a clean, modern setting. Made by hand to order in solid 18K gold or platinum.

Specifications

  • Diamond: Lab-grown, high clarity, IGI certified
  • Shape: Emerald cut with tapered baguette sides
  • Setting: Bezel
  • Metal: 18K yellow, white or rose gold, or platinum
  • Carat: 1.5ct to 5ct, chosen at checkout
  • Engraving: Complimentary
  • Made to order: Handcrafted to order, around six weeks
  • Designed in Australia
The Eva lab-grown diamond pave band in 18K white gold

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The Una ring builder

Create the ring that feels like you. Our Ring Builder lets you choose your diamond, metal and proportions with total clarity, guided by the same design principles we use in-house.

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ready to wear

Our signature pieces

From delicate pavé bands to bold diamond staples, each Una design begins with a clear point of view: modern, refined, and made to be worn every day. Every piece is crafted with lab-grown diamonds, ensuring beauty with purpose.

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una x forever projects

Designed with care, backed by purpose

We’ve partnered with Forever Projects as part of our 1% Pledge. That means every single Una Diamond purchase contributes to life-changing programs for mothers and children.

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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.

Need help deciding?

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

Beautiful jewellery & fantastic customer service!

★★★★★

CAMILA L

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

★★★★★

STEVE H

First marriage didn't work out, but I'm pretty sure it's because it wasn't an Una Diamond!

★★★★★

MATTHEW M

Shipping & Returns
How much is shipping?

Shipping is complimentary on all orders. Every piece is fully insured door-to-door and requires a signature on delivery.

Do you ship internationally?

Yes. We ship worldwide using trusted, insured courier partners.

All duties and taxes will be shown at checkout where applicable.

What is your return policy?

Please refer to our policy here.

Craftsmanship & Materials
What materials do you use?

All pieces are crafted in solid gold and set with IGI-certified lab-grown diamonds.

No plating. No mixed metals. No mined diamonds.

Where are your pieces made?

Every Una piece is handcrafted to order in our Australian workshop by experienced jewellers.

Are your diamonds real?

Absolutely. Lab-grown diamonds are chemically and optically identical to mined diamonds - the only difference is their origin, not their quality.

Are your diamonds certified?

Yes. All centre stones 1ct+ come with IGI certification.

Production & Lead Time
How long will my order take?

Each piece is made to order. Production typically takes 4–6 weeks, depending on the design.

Can I request a rush order?

If you have a specific date in mind, email us. We’ll always try to accommodate faster production where possible.

Do you offer engraving?

Yes. All pieces can be engraved at no additional cost. Enter your message at checkout or email us after purchase.

Can I make changes after ordering?

You can make small adjustments within 24 hours of placing your order. After that, your piece moves into production.

Need help choosing a diamond or design?

We’re here to help. Email us anytime at hello@unadiamond.com and we’ll get back to you within one business day.

Alternatively, book a complimentary consult if you prefer to talk through ideas.

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.