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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.

Feyra Aquamarine Crown Wedding Band in 14K White Gold by Aquamarise Gold, showcasing a pear-shaped aquamarine center with smaller marquise and round aquamarines on an elegant curved white gold band, part of Solid Gold Engagement Rings, March Birthstone Jewelry, and Women’s Wedding Bands collections.

Feyra Aquamarine Engagement Ring Set14K White Gold

from $2,495

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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.
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White Sapphire Leaf Ring Set14K Rose Gold Vermeil

Regular price $195 $156 (-20%)

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Vintage Australian Opal Ring in 14K Solid Rose Gold by Aquamarise Gold, featuring a luminous opal center with diamond accents and an intricate vintage-inspired band design.

Vintage Australian Opal Ring14K Solid Rose Gold

from $2,075

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Vintage Natural Australian Opal Engagement Ring in 14K Solid Yellow Gold featuring a luminous opal center with sparkling diamond accents on an intricate vintage-inspired band by Aquamarise Gold.
Toi Et Moi Alexandrite & Moissanite Engagement Ring in 14K White Gold by Aquamarise Gold showcases a stunning pair of pear-shaped lab-grown alexandrite and emerald-cut moissanite stones on a sleek white gold band, part of Solid Gold Engagement Rings and June Birthstone Jewelry collections.
Rose gold ring with a green gemstone and white diamonds on a light purple background

Adeline Marquise Emerald Ring14K Solid Rose Gold

from $2,295

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Skye Kite® Galaxy Herkimer Diamond & Meteorite Couples Ring Set by Aquamarise, featuring a unique black diamond-shaped Herkimer diamond with gold and sparkling diamond accents.
Skye Kite® Rainbow Moonstone Engagement Ring Set in 14K White Gold by Aquamarise Gold, featuring a kite-shaped moonstone center with sparkling diamond accents in a white gold setting.

Skye Kite® Rainbow Moonstone Engagement Ring Set14K White Gold

from $2,395

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Skye Kite™ Black Onyx Couples Ring Set by Aquamarise featuring a kite-cut black onyx center stone with marquise and round white gemstones on a polished silver band.

Skye Kite® Black Onyx Engagement Ring Set14K White Gold

from $2,395

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Feyra Blue Sapphire Crown Wedding Band in 14K White Gold by Aquamarise Gold features a pear-shaped center diamond accented with brilliant marquise and round blue sapphires set in an elegant, crown-inspired white gold band, part of the September Birthstone Jewelry and Women’s Wedding Bands collections.
Feyra Lab-Grown Diamond and Emerald Engagement Ring- 14K White Gold (IGI Certified) by Aquamarise Gold features a pear-shaped lab-grown diamond center framed by marquise and round emeralds on a delicate white gold band, part of the Solid Gold Engagement Rings and Nature-Inspired Engagement Rings collections.
Feyra Emerald Tiara Wedding Band- 14K White Gold from Aquamarise Gold features a regal tiara-inspired design with a pear-cut center diamond surrounded by vibrant pear and round emerald accents, crafted in elegant white gold.
Toi Et Moi Lab-Grown Diamond and Aquamarine Ring- 14K White Gold (IGI Certified) by Aquamarise Gold features a delicate white gold band with a pear-shaped lab-grown diamond and an emerald-cut aquamarine, symbolizing a romantic union.
Northern Lights Woodland Couples Ring Set by Aquamarise, featuring a hexagonal moss agate center with green gemstones and diamond accents on polished sterling silver bands.
Kite Cut Black Rutilated Quartz Engagement Ring Set in 14K White Gold by Aquamarise Gold, featuring unique needle-like inclusions and accented with sparkling side stones in a modern white gold setting.
Hexagon Emerald Ring Set in 14K Solid Rose Gold by Aquamarise, featuring a hexagon-cut emerald with kite-shaped diamond accents and a matching chevron band.

Hexagon Emerald Ring Set14K Solid Rose Gold

from $2,175

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Diamond Crown Wedding Band- 14K Solid Yellow Gold by Aquamarise Gold showcases an intricate, fantasy-inspired design with a pear-shaped center stone accented by smaller diamonds on a curved 14K yellow gold band, part of Women’s Wedding Bands and Solid Gold Engagement Rings collections.
Estée Lab-Grown Diamond Bridal Ring Set in Solid 14K Yellow Gold (IGI Certified) by Aquamarise Gold showcases a radiant oval-cut center diamond with pear-shaped and round accent stones on a sleek yellow gold band, part of Solid Gold Engagement Rings, April Birthstone Jewelry, Nature-Inspired and Fantasy-Inspired Engagement Rings collections.

Estée Moissanite Engagement Ring SetSolid 14K Yellow Gold

from $2,295

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Blue Sapphire Leaf Engagement Ring Set- 14K Solid Yellow Gold by Aquamarise Gold features a vibrant oval blue sapphire centerpiece with intricate leaf-shaped yellow gold bands accented by small sapphires and diamonds, part of Solid Gold Engagement Rings, September Birthstone Jewelry, and Nature-Inspired Engagement Rings collections.

Blue Sapphire Leaf Engagement Ring Set14K Solid Yellow Gold

from $2,545

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Victoria Vintage Morganite Ring in 14K Solid Rose Gold by Aquamarise Gold, featuring an oval-cut natural morganite center surrounded by moissanite accents on a delicate rose gold band.

Victoria Vintage Morganite Ring14K Solid Rose Gold

from $2,395

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Sophia Twisted Vine Light Green Sapphire Engagement Ring in 14K White Gold by Aquamarise Gold, featuring a round light green sapphire center with twisted vine-inspired pavé diamond accents.
Skye Kite® Blue Sapphire Ring Set- 14K Solid Yellow Gold by Aquamarise Gold features a striking geometric blue sapphire centerpiece flanked by smaller sapphires on a polished yellow gold band, blending modern elegance with timeless charm.

Skye Kite® Blue Sapphire Ring Set14K Solid Yellow Gold

from $2,195

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Skye Kite® Alexandrite & Moonstone Engagement Ring Set- 14K White Gold by Aquamarise Gold featuring a kite-shaped alexandrite with moonstone and diamond accents in a unique white gold design.
Esme Lab-Grown Diamond & Emerald Ring- 14K White Gold (IGI Certified) by Aquamarise Gold featuring a marquise lab-grown diamond center accented with vibrant lab-grown emeralds on a sculpted white gold band, part of Solid Gold Engagement Rings and May and April Birthstone Jewelry collections.

Esme Lab-Grown Diamond & Emerald Ring14K White Gold · IGI Certified

from $2,778.95

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Esme Lab-Grown Diamond & Emerald Ring- 14K White Gold (IGI Certified) by Aquamarise Gold featuring a marquise lab-grown diamond center accented with vibrant lab-grown emeralds on a sculpted white gold band, part of Solid Gold Engagement Rings and May and April Birthstone Jewelry collections.

Esme Moissanite & Emerald Ring14K White Gold

from $2,145

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Esme Gray Moissanite & Black Onyx Ring in Sterling Silver by Aquamarise

Esme Gray Moissanite & Black Onyx Ring14K White Gold

from $2,145

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per 

Esme Lab-Grown Diamond & Pink Sapphire Ring- 14K White Gold (IGI Certified) by Aquamarise Gold, showcasing a marquise-shaped lab-grown diamond center flanked by sparkling pink sapphires on an intricately designed white gold band, from Solid Gold Engagement Rings, April and September Birthstone Jewelry, Nature-Inspired and Fantasy-Inspired Engagement Rings collections.
Esme Lab-Grown Diamond & Pink Sapphire Ring- 14K White Gold (IGI Certified) by Aquamarise Gold, showcasing a marquise-shaped lab-grown diamond center flanked by sparkling pink sapphires on an intricately designed white gold band, from Solid Gold Engagement Rings, April and September Birthstone Jewelry, Nature-Inspired and Fantasy-Inspired Engagement Rings collections.

Esme Moissanite & Pink Sapphire Ring14K White Gold

from $2,145

Unit price
per 

Feyra Lab-Grown Diamond & Emerald Ring Set- 14K Solid Yellow Gold (IGI Certified) by Aquamarise Gold, featuring a pear-shaped lab-grown diamond centerpiece with pear and round emerald accents on a sculpted yellow gold band, from Solid Gold Engagement Rings, April Birthstone Jewelry, May Birthstone Jewelry, and Nature-Inspired Engagement Rings collections.
An oval ruby engagement ring with a halo of smaller diamonds set in a 14K white gold band, displayed against a gradient purple and gray background.

Iris Oval Ruby Engagement Ring14K White Gold

from $1,995

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Iris Oval Emerald Engagement Ring in 14K White Gold by Aquamarise Gold featuring a vivid green oval emerald surrounded by sparkling diamond accents on a delicate white gold band.

Iris Oval Emerald Engagement Ring14K White Gold

from $1,995

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Celtic London Blue Topaz Ring Set- 14K White Gold by Aquamarise Gold, featuring a deep blue oval London blue topaz with delicate diamond accents on an intricately designed white gold band, part of Solid Gold Engagement Rings and November Birthstone collections.

Celtic London Blue Topaz Engagement Ring Set14K White Gold

from $2,165

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Lab-Grown Diamond Leaf Engagement Ring in 14K White Gold (IGI Certified) by Aquamarise Gold, featuring teardrop lab diamond and delicate leaf-inspired white gold band details.

Teardrop Moissanite Leaf Engagement Ring14K White Gold

from $2,095

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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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Unique Engagement Rings FAQs

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