Ava • Trilogy Diamond Engagement Ring

A gold ring with multiple large diamonds, elegantly placed on a soft, ivory fabric background, showcasing luxury jewellery.
Woman showcasing a luxury diamond cluster ring on her finger, with a soft-focus background. Elegant high-end jewellery close-up.
Hand wearing two gold rings with large, sparkling diamonds in sunlight. High-end luxury jewellery showcasing elegance and sophistication.
Elegant gold three-stone diamond ring in a white jewellery box, showcasing luxury design and craftsmanship.
Ava Oval Trilogy Lab-Grown Diamond Engagement Ring
Regular price $8,620

A perfectly proportioned trilogy of oval lab-grown diamonds — thought to embody a couple's past, present and future together.

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The Finer Details

Gold ring with a large, oval-cut diamond centre stone, flanked by two smaller diamonds, set in a polished band on a plain white background.
Gold engagement ring with a round brilliant diamond centre and two side stones, set in a high-profile, minimalist design.
Elegant gold ring with three sparkling diamonds, set in a classic prong setting, on a plain background. Luxurious, high-end jewellery.
Gold engagement ring with a classic solitaire diamond setting on a plain band, showcasing timeless elegance and luxury jewellery design.
Gold ring with a large, oval-cut diamond centre stone, flanked by two smaller diamonds, set in a polished band on a plain white background. Top
Gold engagement ring with a round brilliant diamond centre and two side stones, set in a high-profile, minimalist design. Front
Elegant gold ring with three sparkling diamonds, set in a classic prong setting, on a plain background. Luxurious, high-end jewellery. Side
Gold engagement ring with a classic solitaire diamond setting on a plain band, showcasing timeless elegance and luxury jewellery design. Back

We offer our Signature Suite engagement rings in a range of carat weights.

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: Oval Lab-Grown Diamond

Shoulder Diamonds: 0.25ct Oval Lab-Grown Diamonds

Setting: 4 Claw | 1.8mm Round Band with Sweep

Stone Size Guide:

1.5ct | 1ct centre with 0.25ct sides

2ct | 1.5ct centre with 0.25ct sides

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.

    Try it Now
  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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