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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.

Coffin Cut Moissanite Bridal Set in 14K White Gold by Aquamarise Gold, featuring an elongated coffin-cut moissanite center stone surrounded by sparkling accent diamonds in a delicate, intricately crafted band, part of Solid Gold Engagement Rings and Moissanite Engagement Rings collections.

Coffin Cut Lab-Grown Diamond Bridal Set

14K White Gold | IGI Certified

from $3,245.95

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Coffin Cut Cut Lab-Grown Diamond Engagement Ring Set in 14K Solid Yellow Gold (IGI Certified) by Aquamarise Gold, showcasing a coffin-cut lab-grown diamond with intricate milgrain detailing and accent diamonds, part of Solid Gold Engagement Rings and Fantasy-Inspired Engagement Rings collections.

Coffin Cut Lab-Grown Diamond Engagement Ring Set

14K Solid Yellow Gold · IGI Certified

from $3,245.95

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per 

Nesta Alexandrite & Paula Shell Couples Ring Set featuring a vibrant oval alexandrite center set in sterling silver with intricate milgrain detailing and sparkling white diamond accents, part of Aquamarise’s Matching Couples' Rings and June Birthstone Jewelry collections.

Nesta Alexandrite Engagement Ring

14K White Gold

from $1,985

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per 

Wisteria Lab-Grown Diamond Engagement Ring Set in Solid 14K Yellow Gold (IGI Certified) by Aquamarise Gold, featuring a pear-shaped center diamond surrounded by intricately detailed leaf motifs accented with lab-grown diamonds, part of Nature-Inspired Engagement Rings and Solid Gold Jewelry collections.

Wisteria Lab-Grown Diamond Engagement Ring Set

Solid 14K Yellow Gold · IGI Certified

from $3,075

Unit price
per 

Jasmine Morganite Bridal Ring Set in 14K White Gold by Aquamarise Gold featuring a round pink morganite center with diamond halo and delicate diamond-accented white gold bands.

Jasmine Round Cut Morganite Engagement Ring Set

14K White Gold

from $2,195

Unit price
per 

Green Moss Agate Engagement Ring Set in 14K Solid Rose Gold by Aquamarise Gold, featuring a hexagon moss agate stone with diamond accents in a nature-inspired modern design.

Coffin Cut Green Moss Agate Engagement Ring Set

14K Rose Gold

from $2,195

Unit price
per 

Moonstone Leaf Engagement Ring Set in 14K Solid Rose Gold by Aquamarise Gold, featuring an oval moonstone with delicate leaf-inspired detailing and small diamonds in a nature-inspired design.

Moonstone Leaf Engagement Ring Set

14K Solid Rose Gold

from $2,145

Unit price
per 

Evelyn Alexandrite Engagement Ring Set in 14K White Gold featuring an oval alexandrite center with marquise and round diamond accents on a detailed white gold band by Aquamarise Gold.

Evelyn Alexandrite Engagement Ring Set

14K White Gold

from $2,195

Unit price
per 

Emerald Cut Morganite Engagement Ring in 14K White Gold (Hidden Halo)

Emerald Cut Morganite Engagement Ring

14K White Gold · Hidden Halo

from $2,175

Unit price
per 

Emerald Engagement Ring in 14K White Gold (Hidden Halo) by Aquamarise Gold, featuring a vibrant emerald-cut emerald on a sleek white gold band.

Emerald Cut Emerald Engagement Ring

14K White Gold · Hidden Halo

from $2,175

Unit price
per 

Ellie Lab-Grown Diamond Engagement Ring in Solid 14K Yellow Gold (IGI Certified) by Aquamarise Gold featuring a princess-cut center with sparkling side diamonds in a delicate gold setting.

Ellie Lab-Grown Diamond Engagement Ring

Solid 14K Yellow Gold · IGI Certified

from $2,667.95

Unit price
per 

Emerald Cut Lab-Grown Diamond Engagement Ring in Solid 14K Rose Gold (IGI Certified) by Aquamarise Gold, featuring pavé diamonds on band and halo, from Solid Gold Engagement Rings collection.

Emerald Cut Lab-Grown Diamond Engagement Ring

Solid 14K Rose Gold · IGI Certified

from $3,024.95

Unit price
per 

Emerald Cut Moissanite Engagement Ring in Solid 14K Yellow Gold with halo of round moissanite stones on a pavé band, elegant and vintage-inspired by Aquamarise Gold.

Emerald Cut Lab-Grown Diamond Engagement Ring

Solid 14K Yellow Gold · IGI Certified

from $3,024.95

Unit price
per 

Violet Hexagon Lab Sapphire Ring in Sterling Silver by Aquamarise, showcasing a vibrant hexagon-cut violet lab sapphire center stone set in a slim sterling silver band accented with delicate simulated diamonds, part of Sterling Silver Rings and September Birthstone Jewelry collections.

Sapphire & Lab Diamond Engagement Ring

14K White Gold

from $2,685

Unit price
per 

Oval Cut Natural Herkimer Diamond Engagement Ring in 14K White Gold by Aquamarise Gold featuring a unique oval Herkimer diamond with natural inclusions set in a delicate band accented with leaf-inspired detailing and small white stones, part of nature-inspired and alternative engagement ring collections.

Oval Cut Natural Herkimer Diamond Engagement Ring

14K White Gold

from $1,995

Unit price
per 

Elowen Kite Cut Green Moss Agate Engagement Ring Set in Sterling Silver by Aquamarise, featuring a kite-cut moss agate center stone surrounded by sparkling clear stones in a nature-inspired design.

Elowen Kite Cut Moss Agate Engagement Ring Set

14K White Gold

from $2,495

Unit price
per 

Oval Cut Lab-Grown Diamond Leaf Engagement Ring in 14K White Gold (IGI Certified) by Aquamarise Gold with delicate leaf motifs and sparkling band diamonds.

Oval Cut Lab-Grown Diamond Leaf Engagement Ring

14K White Gold · IGI Certified

from $2,595

Unit price
per 

Mystic Topaz & Galaxy Opal Leaf Couples Ring Set by Aquamarise featuring a vibrant mystic topaz center stone with leaf-inspired silver band and accent diamonds.

Oval Cut Mystic Topaz Engagement Ring

14K White Gold

from $1,995

Unit price
per 

Lab-Grown Diamond Leaf Engagement Ring in 14K Solid Rose Gold (IGI Certified) by Aquamarise Gold, featuring an oval lab-grown diamond center with delicate vine and leaf carvings on the rose gold band, part of nature-inspired and solid gold engagement rings collections.

Lab-Grown Diamond Leaf Engagement Ring

14K Solid Rose Gold · IGI Certified

from $2,595

Unit price
per 

Teardrop Lab-Grown Diamond Engagement Ring in 14K White Gold (IGI Certified) by Aquamarise Gold, featuring a pear-cut lab-grown diamond with halo and intricate pavé accents.

Teardrop Moissanite Engagement Ring Set

14K White Gold

from $2,145

Unit price
per 

Kite Ruby Bezel Engagement Ring Set in 14K White Gold by Aquamarise Gold featuring a vibrant kite-cut ruby with bezel setting and diamond-accented band, vintage-inspired design.

Kite Ruby Bezel Engagement Ring Set

14K White Gold

from $2,245

Unit price
per 

Hidden Halo Cushion Cut Morganite Engagement Ring in 14K White Gold featuring a sparkling cushion-cut morganite center with diamond accents on a delicate white gold band by Aquamarise Gold.

Hidden Halo Cushion Cut Morganite Engagement Ring

14K White Gold

from $2,095

Unit price
per 

Kite Cut Natural Tanzanite Bezel Engagement Ring Set in 14K White Gold by Aquamarise Gold, featuring a kite-shaped tanzanite and diamond accents in a sleek bezel setting.

Kite Cut Natural Tanzanite Bezel Engagement Ring Set

14K White Gold

from $2,245

Unit price
per 

Kite Blue Sapphire Bezel Engagement Ring Set in 14K Solid Rose Gold featuring a kite-cut blue sapphire surrounded by marquise and round diamonds by Aquamarise Gold.

Kite Blue Sapphire Bezel Engagement Ring Set

14K Solid Rose Gold

from $2,245

Unit price
per 

Natural Aquamarine Engagement Ring in 14K White Gold by Aquamarise Gold, featuring a pear-shaped aquamarine center with diamond halo and detailed diamond-accented band.

Natural Aquamarine Engagement Ring

14K White Gold

from $2,095

Unit price
per 

Cordelia Oval Cut Blue Sapphire Engagement Ring in 14K White Gold by Aquamarise Gold featuring a vibrant blue sapphire center surrounded by intricate diamond accents and vintage-inspired band detailing.

Cordelia Oval Cut Blue Sapphire Engagement Ring

14K White Gold

from $2,095

Unit price
per 

Cordelia Oval Cut Australian Opal Engagement Ring in 14K White Gold by Aquamarise Gold featuring an oval Australian opal surrounded by sparkling diamonds in a vintage-inspired design.

Cordelia Oval Cut Australian Opal Engagement Ring

14K White Gold

from $2,095

Unit price
per 

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 Ring

14K 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 Ring

14K 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 Set

14K White Gold

from $2,085

Unit price
per 

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 Ring

14K 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 Ring

14K White Gold

from $2,195

Unit price
per 

Pink Lab-Grown Diamond Fairy Leaf Engagement Ring in 14K Solid Yellow Gold (IGI Certified) featuring an oval pink diamond center stone surrounded by delicate leaf-inspired branches with sparkling white diamonds, crafted by Aquamarise Gold.

Pink Lab-Grown Diamond Fairy Leaf Engagement Ring

14K Solid Yellow Gold · IGI Certified

from $3,145

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

14K White Gold · IGI Certified

from $2,497.95

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 Moissanite Engagement Ring

14K 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.

Kite Green Moss Agate Bezel Engagement Ring Set

14K Solid Rose Gold

from $2,245

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.

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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.

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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,...

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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...

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