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.

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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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14 Products Found
Marquise
Marquise Lab Grown Diamond Three-Stone Engagement Ring

Marquise Lab Grown Diamond Three-Stone Engagement Ring

$1,229.00 – $2,709.00
This marquise engagement ring showcases a stunning three-stone design featuring 3.00 carats total weight of lab-grown diamonds. The elongated marquise center diamond is elegantly flanked by two complementary stones, creating...
Marquise Lab Grown Diamond Three-Stone Engagement Ring

Marquise Lab Grown Diamond Three-Stone Engagement Ring

$1,236.00 – $2,673.00
This marquise engagement ring showcases the brilliance of lab-grown diamonds in a stunning three-stone setting. The elongated marquise center diamond is beautifully flanked by two accent stones, creating a captivating...
Marquise Lab Grown Diamond Three-Stone Engagement Ring

Marquise Lab Grown Diamond Three-Stone Engagement Ring

$1,154.00 – $2,369.00
This marquise engagement ring captures timeless elegance with a stunning three-stone design that celebrates your love story. At its heart, a brilliant marquise-cut lab-grown diamond takes center stage, flanked by...
Marquise Lab Grown Diamond Three-Stone Engagement Ring

Marquise Lab Grown Diamond Three-Stone Engagement Ring

$892.00 – $1,884.00
This marquise engagement ring captures timeless elegance with a distinctive three-stone design that celebrates your love story. The elongated marquise-cut center diamond is beautifully framed by two complementary side stones,...
Marquise Lab Grown Diamond Three-Stone Engagement Ring

Marquise Lab Grown Diamond Three-Stone Engagement Ring

$1,368.00 – $2,911.00
This marquise engagement ring captures timeless elegance with a sophisticated three-stone design that celebrates your love story. The centerpiece marquise-cut lab-grown diamond is beautifully flanked by two complementary stones, creating...
Marquise Lab Grown Diamond Three-Stone Engagement Ring

Marquise Lab Grown Diamond Three-Stone Engagement Ring

$1,304.00 – $2,648.00
This marquise engagement ring showcases the captivating elegance of a three-stone setting, featuring a stunning marquise-cut center diamond flanked by two complementary side stones. With a total diamond weight of...
Marquise Lab Grown Diamond Three-Stone Engagement Ring

Marquise Lab Grown Diamond Three-Stone Engagement Ring

$1,235.00 – $2,568.00
This marquise engagement ring showcases the timeless elegance of a three-stone design, featuring a stunning center marquise-cut lab-grown diamond flanked by two complementary side stones. With a combined total diamond...
Marquise Lab Grown Diamond Three-Stone Engagement Ring

Marquise Lab Grown Diamond Three-Stone Engagement Ring

$1,242.00 – $2,662.00
This marquise engagement ring is a stunning celebration of timeless elegance and modern craftsmanship. Featuring a three-stone setting, this ring showcases a brilliant marquise-cut center diamond flanked by two complementary...
Marquise Lab Grown Diamond Three-Stone Engagement Ring

Marquise Lab Grown Diamond Three-Stone Engagement Ring

$1,339.00 – $2,569.00
This marquise three-stone engagement ring is designed for the bride who appreciates timeless elegance with a distinctive edge. The setting is expertly crafted to showcase a marquise center stone flanked...
Marquise Lab Grown Diamond Three-Stone Engagement Ring

Marquise Lab Grown Diamond Three-Stone Engagement Ring

$1,820.00 – $3,430.00
This marquise engagement ring showcases the timeless elegance of a three-stone setting, designed to symbolize your past, present, and future together. At its heart, a stunning marquise-cut lab-grown diamond takes...
Marquise Lab Grown Diamond Three-Stone Engagement Ring

Marquise Lab Grown Diamond Three-Stone Engagement Ring

$1,242.00 – $2,662.00
This marquise engagement ring showcases the timeless elegance of a three-stone setting, designed to capture every moment with brilliance and grace. At its heart, a stunning marquise-cut lab-grown diamond commands...
Marquise Lab Grown Diamond Three-Stone Engagement Ring

Marquise Lab Grown Diamond Three-Stone Engagement Ring

$1,109.00 – $2,349.00
This marquise engagement ring brings timeless elegance to your love story with a stunning three-stone design. At its heart, a brilliant marquise-cut lab-grown diamond commands attention with its elongated silhouette...

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.