Three Stone Engagement Rings

Three stones, one meaning: past, present and future. The three stone engagement ring flanks a centre diamond with two companions, and the symbolism has made it one of the most enduring styles in bridal jewellery. Our 312 designs run from $874 to $6,198, each a lab-grown, IGI-certified trilogy.

Three stone styles

The classic 3 stone ring pairs a round or oval centre with matching round sides; tapered baguettes read art-deco; pear or trapezoid sides add movement. A three stone diamond ring can step the sides down in size for a graduated line, or match all three for balance. Every shape we cut works as a centre.

Why lab-grown suits a trilogy

Three stones mean three times the diamond — and three times the lab-grown saving. A three stone engagement ring that would be a splurge in mined stones becomes an attainable everyday piece, IGI-certified throughout.

Shop with confidence

Made to order in about 2 weeks in solid 10K, 14K or 18K gold, free 5-7 day express shipping and 30-day free returns.

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10 Products Found
Radiant
Cushion Lab Grown Diamond Three-Stone Engagement Ring

Radiant Lab Grown Diamond Three-Stone Engagement Ring

$1,542.00 – $3,124.00
This Radiant cut three-stone engagement ring showcases the timeless elegance of a classic design reimagined for the modern bride. Featuring a stunning Radiant-shaped center diamond flanked by two complementary side...
Radiant Lab Grown Diamond Three-Stone Engagement Ring

Radiant Lab Grown Diamond Three-Stone Engagement Ring

$1,168.00 – $2,411.00
This radiant cut three-stone engagement ring showcases the brilliance of lab-grown diamonds in a timeless design that symbolizes past, present, and future. Featuring a stunning radiant-shaped center stone flanked by...
Radiant Lab Grown Diamond Three-Stone Engagement Ring

Radiant Lab Grown Diamond Three-Stone Engagement Ring

$1,158.00 – $2,392.00
This radiant three-stone engagement ring captures the extraordinary brilliance of lab-grown diamonds in a timeless silhouette that celebrates your love story. Featuring a stunning radiant-cut center stone flanked by two...
Radiant Lab Grown Diamond Three-Stone Engagement Ring

Radiant Lab Grown Diamond Three-Stone Engagement Ring

$1,265.00 – $2,609.00
This radiant cut three-stone engagement ring showcases the brilliant fire and geometric elegance that makes radiant diamonds so captivating. Featuring 1.96 carats total weight of lab-grown diamonds, this stunning design...
Cushion Lab Grown Diamond Three-Stone Engagement Ring

Radiant Lab Grown Diamond Three-Stone Engagement Ring

$1,380.00 – $3,055.00
This Radiant three-stone engagement ring makes an unforgettable statement with its breathtaking 5.90 carat total weight of lab-grown diamonds. The classic three-stone design features a stunning Radiant-cut center diamond flanked...
Radiant Lab Grown Diamond Three-Stone Engagement Ring

Radiant Lab Grown Diamond Three-Stone Engagement Ring

$1,200.00 – $2,444.00
This radiant cut engagement ring showcases a stunning three-stone design that captures light from every angle. At its heart, a brilliant radiant-shaped lab-grown diamond is beautifully flanked by two matching...
Radiant Lab Grown Diamond Three-Stone Engagement Ring

Radiant Lab Grown Diamond Three-Stone Engagement Ring

$1,292.00 – $2,785.00
This radiant cut three-stone engagement ring captures timeless elegance with a modern, ethical twist. Featuring a stunning radiant-shaped center diamond flanked by two complementary side stones, this design celebrates past,...
Cushion Lab Grown Diamond Three-Stone Engagement Ring

Radiant Lab Grown Diamond Three-Stone Engagement Ring

$1,612.00 – $3,081.00
This Radiant three-stone engagement ring is a breathtaking celebration of commitment and style. Featuring a stunning Radiant-cut center diamond flanked by two brilliant side stones, this design offers a timeless...
Radiant Lab Grown Diamond Three-Stone Engagement Ring

Radiant Lab Grown Diamond Three-Stone Engagement Ring

$1,214.00 – $2,596.00
This radiant-cut three-stone engagement ring embodies timeless elegance with a contemporary brilliance that captures every light. Featuring a stunning 1.70 ct total weight of lab-grown diamonds, this design pairs a...
Radiant Lab Grown Diamond Three-Stone Engagement Ring

Radiant Lab Grown Diamond Three-Stone Engagement Ring

$1,743.00 – $3,342.00
This radiant cut engagement ring showcases the brilliance of lab-grown diamonds in a stunning three-stone design. The center radiant diamond takes center stage, flanked by two complementary stones that enhance...

What to know before buying a three stone ring

The proportion between centre and sides is what makes or breaks the design. A common, balanced ratio is sides roughly half to two-thirds the centre's carat — so a 1.5ct centre pairs naturally with two 0.50ct sides. Match them larger and the ring reads as a cluster; step them well down and the centre commands full attention. Decide which effect you want before choosing stones, because it dictates the whole look.

Side-stone shape sets the personality. Tapered baguettes give crisp art-deco lines and a vintage feel; matching rounds read classic and soft; pear or trapezoid sides add movement and point inward toward the centre; half-moons hug a round or oval centre tightly. The sides should echo the centre's era — baguettes with an emerald cut, rounds with a round, pears flanking an oval.

Because three stones catch light from three points, total carat presence runs high for the spend — a three-stone with a 1ct centre and two 0.5ct sides reads far larger than a 2ct solitaire. Keep the side stones within one colour grade of the centre so they don't flash warmer or cooler beside it, and confirm all three sit at a matched height so the ring feels level across the finger.

Three stone ring FAQs

What does a three stone ring mean?

The three stones represent past, present and future — your history, your now and your life ahead. It is the most storied symbolism in engagement rings.

What is a trilogy ring?

Another name for the same thing — a trilogy ring and a three stone engagement ring are identical: one centre stone, two sides.

What shapes work for the side stones?

Rounds for classic balance, tapered baguettes for art-deco lines, pears or trapezoids for movement. The 3 stone ring is endlessly customisable.

Should the side stones match the centre?

Either way works — matching reads cohesive, stepping them down draws the eye to the centre. Both are correct in a three stone diamond ring.

Is a three stone ring good for an engagement?

One of the most popular choices — the meaning makes it personal, and the extra stones add presence for the money.

Are the diamonds lab-grown?

Yes, all three — IGI-certified and identical to mined, which is what keeps a three-diamond ring affordable.