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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 Diamond Ring – Lab-Grown | 18K Gold or Platinum

Band Material18K Gold
Carat Size1.5ct

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

Art deco for modern hands

Art deco jewellery from the 1920s and 1930s is defined by geometric precision, bilateral symmetry, and the contrast between large central stones and flanking accent stones. The Valencia captures all of this — the emerald-cut centre stone is geometrically aligned with the tapered baguettes on either side, creating a horizontal profile that reads as distinctly architectural. It's not a reproduction; it's a design that takes the visual language of art deco and builds it in materials that will last.

The emerald cut, with its step-facets and large flat table, shows clarity exceptionally well. It's also a cut that rewards a high-quality stone — the step facets make inclusions more visible than the sparkle of a brilliant cut can hide. Every Valencia is set with an IGI-certified lab-grown emerald cut diamond selected for its clarity.

The tapered baguette

The baguette side stones narrow as they approach the centre, directing the eye inward to the main diamond. This tapered form is characteristic of the best art deco pieces and creates a visual harmony that straight-sided baguettes lack. The bezel setting around the centre stone frames it cleanly and provides protection for the corners of the emerald cut — a practical choice for everyday wear.

Also explore: solitaire rings or oval cut rings.

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.

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.

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.

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.

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