Una | Oval & Radiant Toi et Moi Lab-Grown Diamond Engagement Ring

Woman wearing a dual-stone gold ring with large gemstones against her cheek. Luxury jewellery, elegant style.
Oval and radiant lab-grown diamonds are paired side by side to represent two souls meeting as one. Set in solid 18ct yellow gold with a 1.8mm round band profile. The stones pictures are a 2ct oval and 2.05ct radiant lab-grown diamond.
Oval and radiant lab-grown diamonds are paired side by side to represent two souls meeting as one. Set in solid 18ct yellow gold with a 1.8mm round band profile. The stones pictures are a 2ct oval and 2.05ct radiant lab-grown diamond.
Close-up of a hand wearing a luxury gold ring with an oval and square diamond, gently resting on a woman's face, showcasing elegant jewellery design.
Una Oval & Radiant Toi et Moi Lab-Grown Diamond Engagement Ring
Regular price $8,560

A perfectly proportioned Toi et Moi engagement ring — with a deeply romantic meaning of ‘one & only’

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The Finer Details

A gold ring with one radiant-cut and one oval diamond, catching sunlight on a soft surface, showcasing elegant luxury jewellery design.
A gold ring with one radiant-cut and one oval diamond, catching sunlight on a soft surface, showcasing elegant luxury jewellery design.

We offer our Signature Suite engagement rings in carat weights ranging between 1ct to 2ct.

Our lab-grown diamonds have a minimum colour of E and a minimum clarity of VVS2 - they also come with an authenticity certificate. We will confirm the selected stone with you after purchase.

Additional metal types, carat weights and diamond specifications can be adjusted for this piece on our Jewellery Builder.

Feature Diamond: Radiant Lab-Grown Diamond

Shoulder Diamond: Oval Lab-Grown Diamond

Setting: 1.8mm Round Band | 4 Claw | Polished Finish

Stone Size Guide:

2ct TCW | 1.2ct Radiant & 0.8ct Oval

3ct TCW | 1.8ct Radiant & 1.2ct Oval

This piece is made-to-order and can take up to 8 weeks to be produced. If you require your piece by a certain date, our Priority Service may be the right option for you. This service will allow your piece to be created within 4-6 weeks, depending on whether you select our regular or premium priority offering. Read more about our Priority Service here. Please contact us to discuss your required date.

We also have a curated collection of Ready to Wear engagement rings that can be shipped to you within 7-10 days to meet a sooner proposal date.

For detailed delivery information, see our shipping information page here.

At Kate & Kole, we believe our rings are a true reflection of our craftsmanship and commitment to quality. To ensure your peace of mind, we offer a range of warranty options tailored to your needs. For more information on our warranty options please see here.

For our insurance recommendations please reach out to our concierge team here.
  1. Jewellery that’s made for you

    Our small team of jewellers combine traditional artisan practices with modern technology to create each Kate & Kole piece.

  2. Every ring, necklace, bracelet and earring is made to order and for a truly special, one-of-a-kind piece, our bespoke team is here to help guide you through the design process. Contact us for information on any personalisation or customisation you have in mind.

    Your Kate & Kole piece is created from recycled gold and carefully finished by hand in our Newcastle studio.

    Since 2015, all Kate & Kole diamonds are lab-grown & responsibly sourced. We breakdown our process for selecting your stone here.

    We offer free secure shipping on all of our pieces including a fully insured, hand-to-hand courier service for all pieces over $2000. For finer details on our process please read more.

    With over 15,000 Australian & International customers, we offer you a network of local jewellers for easy resizes or maintenance, or simply work directly with us, whichever you prefer.

    Your jewellery is our best advertisement, and we want it to always look its best for you. If anything happens to your piece or it needs a little love, our customer service team is here to help you.
  1. Try it Now
    Kate & Kole Jewellery Builder

    Our custom jewellery builder started as a solitaire ring builder. It now allows you to create over 100,000 design combinations. Meaning that your piece, built by you—is unique.

    Customise our designs, to your specifications.

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  2. Woman wearing multiple diamond rings on her fingers, showcasing luxury jewellery. Focus on the large, sparkling gemstones.
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  1. Two women pose wearing minimalist gold necklaces, showcasing luxury jewellery against a neutral background. Perfect for a high-end fashion look.
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    Our Pieces

    Designed and created in our Newcastle studio, we make our pieces to order, using locally sourced recycled materials and unique lab-grown diamonds.

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