• Premium metals
  • Trusted by 200,000+ customers
  • Ethically sourced gems
  • Secure checkout

Your cart

Purple rainbow gradient hero background in the lightest tone, alternate version

Unique Engagement Rings

Unique engagement rings built around unusual gemstones, unconventional cuts and distinctive settings — moss agate, salt-and-pepper diamonds, alexandrite and fantasy cuts in nature-inspired, gothic and celestial designs.

Cordelia Oval Cut Australian Opal Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold featuring an oval opal center surrounded by sparkling diamonds in a delicate rose gold setting.
Cordelia Oval Cut Aquamarine Engagement Ring in 14K White Gold by Aquamarise Gold, featuring an oval aquamarine center with a vintage-inspired diamond halo and delicate diamond accented band.

Cordelia Oval Cut Aquamarine Engagement Ring14K White Gold

from $2,095

Unit price
per 

Round Cut Aquamarine Engagement Ring in 14K Solid Rose Gold featuring a vintage-inspired design with a central aquamarine surrounded by sparkling accent stones by Aquamarise Gold.

Round Cut Aquamarine Engagement Ring14K Solid Rose Gold

from $2,095

Unit price
per 

Princess Cut Moss Agate Engagement Ring Set in 14K White Gold by Aquamarise Gold, featuring a unique green moss agate centerpiece with diamond accents in a nature-inspired design.

Princess Cut Moss Agate Engagement Ring Set14K White Gold

from $2,085

Unit price
per 

Hexagon Cut Lab-Grown Alexandrite Ring in 14K Rose Gold Vermeil by Aquamarise, showcasing a vibrant hexagonal alexandrite center stone accented with baguette and round white gemstones on a polished rose gold vermeil band, from Rose Gold Vermeil Rings, June Birthstone Jewelry, and Engagement Rings for Women collections.

Hexagon Cut Alexandrite Engagement Ring14K Solid Rose Gold

from $2,095

Unit price
per 

Hexagon Cut Alexandrite Engagement Ring in 14K White Gold by Aquamarise Gold featuring a vibrant hexagonal alexandrite flanked by elegant white diamond accents on a polished band.

Hexagon Cut Alexandrite Engagement Ring14K White Gold

from $2,095

Unit price
per 

Belle Cushion Cut Natural Morganite Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold, featuring a cushion-cut morganite surrounded by pavé diamonds on a rose gold band.
Ella Alexandrite Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold features a dazzling round alexandrite center stone surrounded by a halo of sparkling diamonds on a finely detailed rose gold band, part of Solid Gold Engagement Rings and June Birthstone Jewelry collections.

Ella Lab-Grown Alexandrite Engagement Ring14K Solid Rose Gold

from $2,095

Unit price
per 

Ellie Princess Cut Amethyst Engagement Ring in 14K White Gold by Aquamarise Gold, featuring a vibrant purple princess cut amethyst with diamond accents on a polished white gold band.

Ellie Princess Cut Amethyst Engagement Ring14K White Gold

from $2,195

Unit price
per 

Ava Oval Cut Alexandrite Engagement Ring in 14K White Gold by Aquamarise Gold featuring a vibrant oval alexandrite center and pavé diamond accents on a polished white gold band.

Ava Oval Cut Alexandrite Engagement Ring14K White Gold

from $2,095

Unit price
per 

Princess Cut Alexandrite Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold, featuring a vibrant princess-cut alexandrite with diamond accents on a polished rose gold band.

Princess Cut Alexandrite Engagement Ring14K Solid Rose Gold

from $2,095

Unit price
per 

Flair Teardrop Lab-Grown Diamond Engagement Ring in 14K White Gold (IGI Certified) by Aquamarise Gold featuring a pear-shaped diamond with intricate pavé diamond accents on a twisted white gold band.
Flair Teardrop Lab-Grown Diamond Engagement Ring in 14K White Gold (IGI Certified) by Aquamarise Gold featuring a pear-shaped diamond with intricate pavé diamond accents on a twisted white gold band.

Flair Teardrop Moissanite Engagement Ring14K White Gold

from $2,145

Unit price
per 

Kite Green Moss Agate Bezel Engagement Ring Set in 14K Solid Rose Gold by Aquamarise Gold, featuring kite-shaped moss agate and sparkling diamonds in an elegant vintage-inspired design.
Teardrop Alexandrite Engagement Ring in 14K White Gold by Aquamarise Gold, featuring a pear-shaped color-changing alexandrite with a pavé diamond halo for unique and elegant engagement jewelry.

Teardrop Alexandrite Engagement Ring14K White Gold

from $2,095

Unit price
per 

Gray Moissanite Crescent Moon Couples Ring Set by Aquamarise featuring a marquise-cut gray moissanite center stone accented by crescent moon motifs and small diamonds on polished silver bands, from Matching Couples' Rings and Moissanite Gemstone Jewelry collections.

Gray Moissanite Crescent Moon Engagement Ring Set14K White Gold

from $2,095

Unit price
per 

Esme Oval Cut Teal Moissanite Engagement Ring in 14K White Gold by Aquamarise Gold, featuring a vibrant teal center stone with sparkling accents in a nature-inspired design.

Esme Oval Cut Teal Moissanite Engagement Ring14K White Gold

from $2,175

Unit price
per 

Belle Cushion Cut Natural Morganite Engagement Ring in 14K White Gold by Aquamarise Gold, featuring a pink cushion-cut morganite surrounded by sparkling diamonds on a white gold band.
Cushion Cut Natural Tanzanite Engagement Ring in 14K White Gold (Hidden Halo) by Aquamarise Gold, featuring a vibrant cushion tanzanite and subtle hidden halo on a white gold band.
Lab-Grown Diamond Engagement Ring in 14K White Gold (IGI Certified) by Aquamarise Gold, featuring a pear-shaped center diamond with a halo and intricate band details, from Solid Gold Engagement Rings.
Lab-Grown Diamond Engagement Ring in 14K White Gold (IGI Certified) by Aquamarise Gold, featuring a pear-shaped center diamond with a halo and intricate band details, from Solid Gold Engagement Rings.

Pear Cut Moissanite Engagement Ring14K White Gold

from $2,345

Unit price
per 

Princess Cut Rutilated Quartz Engagement Ring Set in 14K Solid Rose Gold by Aquamarise Gold, featuring a unique rutilated quartz center with sparkling diamond accents in a modern rose gold setting.
Bella Oval Cut Pink Sapphire Engagement Ring Set in 14K White Gold by Aquamarise Gold featuring an oval pink sapphire with diamond accents on a polished white gold band.

Bella Oval Cut Pink Sapphire Engagement Ring Set14K White Gold

from $2,095

Unit price
per 

Adeline Marquise Cut Flower Blue Sapphire Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold, featuring marquise blue sapphire with floral diamond accents on a rose gold band.
Bella Oval Cut Teal Sapphire Engagement Ring Set in 14K White Gold by Aquamarise Gold, featuring an oval teal sapphire with sparkling diamond accents in a sophisticated, elegant design.

Bella Oval Cut Teal Sapphire Engagement Ring Set14K White Gold

from $2,095

Unit price
per 

Starburst Natural Moonstone Engagement Ring in 14K White Gold by Aquamarise Gold featuring an oval moonstone surrounded by marquise and round diamonds on a polished white gold band.

Starburst Natural Moonstone Engagement Ring14K White Gold

from $2,095

Unit price
per 

Cordelia Oval Cut Lab-Grown Diamond Engagement Ring in 14K White Gold (IGI Certified) by Aquamarise Gold featuring a vintage-inspired oval diamond with halo and intricate milgrain detailing.
Cordelia Oval Cut Lab-Grown Diamond Engagement Ring in 14K White Gold (IGI Certified) by Aquamarise Gold featuring a vintage-inspired oval diamond with halo and intricate milgrain detailing.

Cordelia Oval Cut Moissanite Engagement Ring14K White Gold

from $2,145

Unit price
per 

Lab-Grown Diamond Leaf Engagement Ring Set in 14K Solid Rose Gold (IGI Certified) by Aquamarise Gold, featuring nature-inspired design with sparkling diamonds and twisted band detail.
Lab-Grown Diamond Leaf Engagement Ring Set in 14K Solid Rose Gold (IGI Certified) by Aquamarise Gold, featuring nature-inspired design with sparkling diamonds and twisted band detail.

Moissanite Leaf Engagement Ring Set14K Solid Rose Gold

from $2,145

Unit price
per 

Joelle Vintage Lab-Grown Diamond Engagement Ring in 14K White Gold (IGI Certified) by Aquamarise Gold, featuring a radiant round-cut lab-grown diamond with vintage-inspired halo and detailed band design.
Joelle Vintage Lab-Grown Diamond Engagement Ring in 14K White Gold (IGI Certified) by Aquamarise Gold, featuring a radiant round-cut lab-grown diamond with vintage-inspired halo and detailed band design.

Joelle Starburst Moissanite Engagement Ring14K White Gold

from $2,145

Unit price
per 

Belle Cushion Cut Natural Citrine Engagement Ring in 14K White Gold by Aquamarise Gold, featuring a radiant cushion-cut citrine surrounded by sparkling white stones on a delicate white gold band.

Belle Cushion Cut Natural Citrine Engagement Ring14K White Gold

from $2,195

Unit price
per 

Joelle Vintage Aquamarine Engagement Ring in 14K White Gold by Aquamarise Gold featuring a round aquamarine center surrounded by sparkling diamond accents in a vintage-inspired setting.

Joelle Vintage Aquamarine Engagement Ring14K White Gold

from $2,195

Unit price
per 

Everly Oval Cut Aquamarine Engagement Ring in 14K White Gold by Aquamarise Gold featuring a sparkling oval aquamarine with two round diamond accents on a polished white gold band.

Everly Oval Cut Aquamarine Engagement Ring14K White Gold

from $2,095

Unit price
per 

Unique engagement rings start from a simple refusal: the ring should not look like the one in every mall showcase. Aquamarise® has built its entire catalog on that refusal — moss agate landscapes, salt-and-pepper diamonds, color-changing alexandrite and fantasy cuts set into nature-inspired, gothic and celestial designs, hand-finished in genuine 925 sterling silver (a 92.5% solid silver alloy), 14K gold vermeil and made-to-order solid gold.

What Actually Makes an Engagement Ring Unique

Three levers, usually pulled together. The stone: minerals with natural, non-repeating patterns mean no two rings can ever match. The cut: kite, hexagon, coffin and fantasy facet plans break from the round-brilliant default that dominates of every engagement rings sold. And the setting: branches, leaves, stars and antique lacework turn the mount itself into the statement rather than a frame that disappears. A ring only needs one of the three to stand out — the designs in this collection usually carry two or three at once, which is why they read as one-of-a-kind from across a room.

Entwined green moss agate ring in sterling silver by Aquamarise

Stones With Patterns That Never Repeat

Some minerals are physically incapable of sameness. Moss agate suspends green dendritic inclusions in translucent chalcedony, so every stone carries its own miniature forest — the reason moss agate engagement rings became the signature of the whole unusual-ring movement. Salt-and-pepper diamonds invert the clarity rules: their black and white inclusions are the point, a starfield sealed in carbon. Rutilated quartz threads golden needles through clear crystal, and opal rearranges its play-of-color with every degree the hand turns.

Then there are stones unique in behavior rather than pattern. Lab-created alexandrite reads teal in daylight and shifts toward purple-red under warm evening light — two rings in one, and the most conversation-starting stone we set; see the full alexandrite engagement rings range. If the goal is a ring nobody else can duplicate, begin with the material itself: choose a stone where nature, not a cutting factory, decides the design.

Unusual Cuts, from Kite to the Fantasy Facet Families

Cut is the fastest route to an unusual silhouette, because shape reads across a room before color does. Kite cut engagement rings angle four sharp sides into a geometric point that elongates the finger; hexagons bring honeycomb symmetry; coffin cuts anchor the gothic end of the spectrum; and fireworks fantasy cuts abandon standard facet charts entirely, carving curved grooves that scatter light in sprays no brilliant cut can produce. These cuts are rare in mass retail for a practical reason — they waste more rough stone and demand more skilled cutting — which is precisely why they look one-of-a-kind on the hand.

A practical note on wear: pointed cuts like the kite deserve settings with protected tips, and geometric step-style cuts show their clarity honestly. Every listing in this collection names its stone, cut and setting approach plainly, so you can judge the trade-offs before you buy rather than after.

Fireworks Cut Morganite & Moonstone Leaf Couples Ring Set by Aquamarise, featuring a sparkling pink morganite and moonstone with delicate leaf-inspired sterling silver bands.

Settings That Do the Talking

An unusual stone deserves a mount designed around it, not a generic four-prong head ordered from a parts catalog. Across this collection you will find branch and vine shanks that grow around the finger, leaf-cradled bezels that frame moss agate the way undergrowth frames a clearing, star-set shoulders and crescent profiles on the celestial designs, and blackened, sculptural silhouettes on the gothic side. Milgrain edges and hand-applied beadwork borrow from antique lacework where a vintage mood is wanted.

Details finish the job. Hidden accent stones under the gallery reward the wearer rather than the audience; asymmetric clusters let a couple design a ring that leans to one side on purpose; and complimentary engraving puts a private line of text inside the band. The result stays unique at every distance — silhouette from across the room, setting work at arm's length, and an inscription only two people know about.

Unique, Alternative or Non-Traditional: Choosing Your Lane

The terms overlap, but they lean differently, and we keep a dedicated page for each. Unique is about one-of-a-kind design — this page. Alternative engagement rings lean into replacing the diamond-solitaire convention altogether, non-traditional engagement rings collect the designs that ignore bridal convention entirely, and nature-inspired engagement rings gather every botanical and woodland design in one place. If one of those phrases sounds more like you, that page is the faster route to the right ring.

From One-of-a-Kind to Made-for-You

If the deciding factor is a stone's color rather than the rarity of its pattern, start at our gemstone engagement rings hub, which routes you to the right stone-specific collection. And when no listed ring is quite it, the custom ring builder turns a stone, a metal and an idea into a finished design. We hold a 4.9-star average across 38,000+ reviews collected on our store and on Etsy, where we have sold since 2016.

From the Blog

Fairy Engagement Rings: The Complete Guide to Fairycore Styles

Fairy Engagement Rings: The Complete Guide to Fairycore Styles

A complete guide to fairy engagement rings — fairycore, fae, woodland and elvish designs, the dreamiest stones and settings, durability, and how to design your own magical ring.

Read more
Moss Agate Engagement Rings: The Complete Buyer's Guide

Moss Agate Engagement Rings: The Complete Buyer's Guide

A complete guide to moss agate engagement rings: what moss agate is, its meaning, durability, price, the best cuts and settings, and how to choose your one-of-a-kind stone.

Read more
What Is a Salt and Pepper Diamond? The Complete Guide

What Is a Salt and Pepper Diamond? The Complete Guide

A real diamond that celebrates its flaws. What a salt and pepper diamond is, what causes its speckled look, how durable it is, the best cuts, why it costs less,...

Read more
Green Engagement Rings: The Complete Guide to Every Green Gemstone

Green Engagement Rings: The Complete Guide to Every Green Gemstone

A complete guide to green engagement rings: every green gemstone explained with real Mohs hardness, honest per-carat pricing, and daily-wear durability, plus a comparison table and how to choose the...

Read more

Unique Engagement Rings FAQs

4.9

38,000+ verified reviews

“Beautiful rings. My husband and I are very pleased with them.”

Emily, verified buyer

“The ring was very beautiful and my girlfriend loved it.”

Corban D., verified buyer

“This ring is so much more beautiful in person.”

Refujio G., verified buyer

“This ring was just perfect for my wife.”

Trey K., verified buyer

Free U.S. Shipping

Worldwide Delivery

2M+ Followers

38K+ Reviews Across Our Store & Etsy

Warranty & Easy Returns

Ethically Sourced Gemstones