Engagement Rings

Explore Diamondrensu’s stunning collection of ethical and lab grown diamond engagement rings. Discover timeless designs, sustainable brilliance, and custom creations crafted for your love story—all proudly available in Australia.

Read More Read Less

Filter
Filter & Sort By
1183 Items
Sort By
Featured
Sort By Featured
Lab-Grown Diamond marquise cut lab grown diamond ring
$1,821.53 $1,821.53 - $6,636.75$2,428.70 (25% OFF)
Lab-Grown Diamond A marquise diamond engagement ring showcasing elegance and style.
$1,851.75 $1,851.75 - $7,015.20$2,469.00 (25% OFF)
Lab-Grown Diamond hexagon cut diamond ring
$4,522.28 $4,522.28 - $5,852.03$6,029.70 (25% OFF)
Lab-Grown Diamond lab grown diamond engagement ring
$1,794.00 $1,794.00 - $6,976.65$2,392.00 (25% OFF)
Lab-Grown Diamond pear engagement ring
$1,034.10 $1,034.10 - $4,607.63$1,378.80 (25% OFF)
Lab-Grown Diamond radiant cut engagement ring
$5,551.95 $5,551.95 - $6,483.90$7,402.60 (25% OFF)
Lab-Grown Diamond round engagement ring
$1,423.65 $1,423.65 - $5,251.88$1,898.20 (25% OFF)
Lab-Grown Diamond pear engagement ring
$1,849.05 $1,849.05 - $5,543.70$2,465.40 (25% OFF)
Design your own

Create the ring you’ve always wanted.

GET STARTED
Lab-Grown Diamond radiant engagement ring
$2,239.95 $2,239.95 - $8,609.25$2,986.60 (25% OFF)
Lab-Grown Diamond cluster halo engagement ring
$1,167.60 $1,167.60 - $5,653.80$1,556.80 (25% OFF)
Lab-Grown Diamond lab grown diamond halo engagement ring
$5,185.80 $5,185.80 - $5,944.28$6,914.40 (25% OFF)
Lab-Grown Diamond round lab grown diamond ring
$642.83 $642.83 - $7,985.70$857.10 (25% OFF)
Lab-Grown Diamond oval engagement ring
$3,726.68 $3,726.68 - $4,420.43$4,968.90 (25% OFF)
Lab-Grown Diamond oval engagement ring
$462.08 $462.08 - $7,531.43$616.10 (25% OFF)
Lab-Grown Diamond dutch marquise cut diamond ring
$2,062.43 $2,062.43 - $5,335.80$2,749.90 (25% OFF)
Lab-Grown Diamond Halo diamond engagement ring sparkling in natural light
$3,072.75 $3,072.75 - $4,098.30$4,097.00 (25% OFF)
Need to know more?

Confused about the difference between lab-grown diamonds, moissanites and mined diamonds?

check it out

Engagement Rings Australia | Ethical Lab Grown Diamonds – Diamondrensu

Celebrate your unique love story with Diamondrensu’s exquisite range of engagement rings, crafted for beauty, ethics, and affordability. Our collection showcases stunning lab grown diamond engagement rings that radiate brilliance and sustainability, offering a modern choice for those who value both luxury and conscious living.

Whether you dream of a classic solitaire engagement ring, a romantic halo engagement ring, or a dazzling three-stone design, our rings are available in an array of cuts—including oval , emerald, round, cushion, Marquise and pear shape to suit every style and personality. Each piece is meticulously crafted by skilled artisans, ensuring exceptional quality and attention to detail.

At Diamondrensu, we believe that choosing an engagement ring should reflect your values as much as your taste. That’s why we specialise in ethical engagement rings, using only certified lab grown diamonds that are conflict-free and sustainably sourced. Our lab diamonds possess the same chemical, physical, and optical properties as natural diamonds, offering stunning sparkle without compromise.

Searching for something truly one-of-a-kind? We offer bespoke engagement rings and custom design services, empowering you to create a ring as unique as your love story. From selecting your ideal diamond shape and carat size to choosing your preferred ring setting and metal type, our team is dedicated to bringing your vision to life.

Discover affordable engagement rings that combine elegance and value, including stunning options under $500 , making sustainable luxury accessible for every budget.

Proudly based in Australia, Diamondrensu now welcomes you to our flagship showroom in Kirrawee, Sydney. Experience lab grown diamond Engagement rings in Sydney, receive one-on-one guidance, and create your dream ring with our expert consultants. Whether online or in-store, we’re here to support your journey to forever.

Faq's

Have Any Questions?

Yes! Lab grown diamonds have the same chemical, physical, and optical properties as mined diamonds. They’re simply created in a controlled environment, offering identical beauty and durability—without the environmental or ethical concerns. lab grown engagement rings made with Lab grown diamonds are as good as real diamonds.

Yes! At Diamondrensu, we specialise in custom engagement rings. From diamond shape and size to setting styles and metals, you can design a ring as unique as your love story—either online or at our Sydney showroom.

Yes, all our lab grown diamonds are certified by leading gemological laboratories such as IGI ensuring authenticity, quality, and peace of mind.

Yes! We’re proud to serve customers across Australia and recently opened our flagship store in Kirrawee, Sydney. Whether you’re in Melbourne, Brisbane, Perth, or Sydney, we provide secure shipping and personalised support nationwide.

Generally, lab grown diamonds cost 20-40% less than mined diamonds of the same quality. This makes them a beautiful and budget-friendly engagement ring option.

Absolutely. Lab grown engagement rings are an ethical alternative to mined diamonds, avoiding the harmful environmental impact and human rights issues often linked with traditional mining.