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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 Georgina oval-cut lab-grown diamond solitaire ring in 18K yellow gold, three-quarter view
The Georgina oval-cut lab-grown diamond solitaire ring in 18K yellow gold, back view
The Georgina oval-cut lab-grown diamond solitaire ring in 18K yellow gold, front view
The Georgina oval-cut lab-grown diamond solitaire ring in 18K yellow gold, top view
An Una Diamond ring in its presentation box

The Georgina Oval-Cut Diamond Solitaire Ring – Lab-Grown | 18K Gold or Platinum

Band Material18K Gold
Carat Size1ct

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 Georgina Oval-Cut Diamond Solitaire Ring – Lab-Grown | 18K Gold or Platinum

$6,100.00 AUD

Behind the piece

The Georgina Oval-Cut Diamond Solitaire 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 Georgina is a single oval-cut lab-grown diamond in a slim four-prong solitaire setting. The shape sits long on the finger rather than wide. Understated, with presence. Made by hand to order in solid 18K gold or platinum.

Set with an IGI certified lab-grown oval diamond. Grown in a lab, not dug out of the ground. Every stone comes with a full IGI grading report covering cut, colour, clarity and carat weight.

Specifications

  • Diamond: Lab-grown (lab-created), IGI certified oval cut
  • Setting: Slim four-prong solitaire
  • Metal: 18K yellow, white or rose gold, or 950 platinum
  • Carat: 1ct to 5ct, chosen at checkout
  • Engraving: Complimentary
  • Made to order: Six weeks from order to delivery
  • Designed in Australia

The oval cut

The oval has led engagement ring searches for several years. The elongated outline draws the eye along the finger, and the faceting holds light the way a round brilliant does. The Georgina sets it in a slim four-prong solitaire, the simplest setting there is, and the one that gets out of the way.

Lab-grown oval diamonds: what to look for

Oval lab-grown diamonds can show a bowtie, a shadow across the centre caused by the way the facets are arranged. Severity varies a lot from stone to stone. We hand-select ovals where it is faint, and every stone comes with an IGI certificate. Browse our full range of oval engagement rings, solitaire diamond rings, and 18K white gold and platinum options.

The Eva lab-grown diamond pave band in 18K white gold

create your own

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