Lab Diamond Eternity Rings

Celebrate everlasting love with our lab diamond eternity rings. Featuring a continuous band of brilliant-cut lab-grown diamonds set in 18k gold or platinum, each ring symbolises an unbroken circle of commitment. Whether marking a milestone anniversary or adding to your stack, our eternity rings deliver breathtaking sparkle with fully traceable, conflict-free stones and recycled precious metals.

Style
Plain Band Side Stone Vintage Halo Bezel
Shape
Round Oval Cushion Pear Emerald Princess Radiant Marquise
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Our Approach

Certified Lab Diamonds

Every lab diamond is IGI or GIA-certified and graded to the same rigorous 4 C's standards as a mined diamond — real diamond brilliance, fully traceable.

Unmatched Quality

Handcrafted by our skilled artisans in solid 18k gold and platinum. Each lab-grown diamond is chemically and optically identical to a natural diamond.

Price Match Guarantee

Found a better price on a like-for-like lab diamond product? We'll match it so you can make it yours at PuraGems.

Ethical & Sustainable

Grown above ground in a matter of weeks, our lab diamonds are conflict-free, environmentally responsible, and fully traceable from origin to finger.

An eternity ring represents a love that never ends — and our lab diamond eternity rings embody that sentiment beautifully. Featuring a continuous circle of brilliant lab-grown diamonds, each ring is set in solid 18k gold or platinum using recycled precious metals.

Whether you prefer a classic full-eternity band or a more subtle half-eternity design, our collection offers styles ranging from delicate pavé settings to bold, chunky bands.

Diamond — the hardest known natural material — is rated 10 on the Mohs scale, ensuring your eternity ring will maintain its brilliance for generations. Each ring arrives with full certification and our luxury presentation box.

FAQs

Everything you need to know about our lab diamond collection. Can't find the answer you're looking for? Contact our friendly team.

  • A full eternity ring features lab diamonds set all the way around the band, while a half eternity ring has stones across the top half only. Half eternity rings are often more comfortable for daily wear and slightly more affordable, while full eternity rings offer maximum sparkle from every angle. Both styles are available in our collection.

  • Absolutely. Our eternity rings are crafted in solid 18k gold or platinum with securely set IGI-certified lab diamonds. As the hardest natural material known (10 on the Mohs scale), diamond is ideal for everyday wear and highly resistant to scratching. The precious metal settings are equally durable, ensuring your ring maintains its beauty for a lifetime.

  • Eternity rings are traditionally given to mark milestone anniversaries, the birth of a child, or other significant life events. However, there are no rules — many people buy eternity rings simply because they love the style. They also make a beautiful addition to a ring stack worn alongside your engagement and wedding rings.