Isla • Trilogy Diamond Engagement Ring

Woman's hand elegantly displaying a baguette-cut diamond ring. Luxurious jewellery piece on a warm skin tone, softly focused background.
Emerald-cut diamond ring with two side stones in a beige velvet box, held by fingers; luxury jewellery, elegant design.
Gold cathedral engagement ring with emerald cut diamond displayed in an elegant white Kate & Kole jewellery box, bathed in soft light.
Woman wearing an elegant diamond ring, touching her face. Natural makeup and slicked-back hairstyle; luxury jewellery in focus.
Isla Emerald & Trillion Trilogy Lab-Grown Diamond Engagement Ring
Regular price $8,080

A seamless trilogy centring an emerald lab-grown diamond & shouldered by two trillion cut lab-grown diamonds

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The Finer Details

Gold ring with an emerald-cut diamond centre and two trilliant-cut diamonds on either side, casting a delicate shadow on a textured surface.
Elegant gold ring with a rectangular emerald-cut diamond, side stones catching light on textured surface. Luxurious jewellery, classic design.
Gold ring with an emerald-cut diamond centre and two trilliant-cut diamonds on either side, casting a delicate shadow on a textured surface. Front
Elegant gold ring with a rectangular emerald-cut diamond, side stones catching light on textured surface. Luxurious jewellery, classic design. Top

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.

Centre Diamond: Emerald Lab-Grown Diamond

Side Diamonds: Trillion Lab-Grown Diamonds

Setting: 10 Claw | 1.8mm Round Band with Sweep

Stone Size Guide:

The stone size options displayed relate to the carat weight of the feature diamond, shoulder stones then add to the total carat weight of the piece.

1.3ct | 1ct Emerald with 0.15ct Trillions

1.8ct | 1.5ct Emerald with 0.15ct Trillions

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. 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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  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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