• 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.

Green Moss Agate Leaf Engagement Ring Set in 14K Solid Yellow Gold by Aquamarise Gold, showcasing a pear-shaped green moss agate centerpiece with delicate leaf motifs and diamond accents, part of nature-inspired and non-traditional engagement ring collections.

Green Moss Agate Leaf Engagement Ring14K Yellow Gold Vermeil

Regular price $175 $150 (-14%)

Unit price
per 

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.

Celtic Green Moss Agate & Emerald Ring SetSterling Silver

Regular price $175 $150 (-14%)

Unit price
per 

Orion Nebula™ & Cornflower Sapphire Leaf Couples Ring Set by Aquamarise featuring an elegant silver band adorned with a vibrant cornflower sapphire center stone and delicate leaf-inspired accents with small blue sapphires and diamonds, part of Matching Couples' Rings, September Birthstone Jewelry, Leaf Rings, and Orion Nebula Rings® collections.

Cornflower Sapphire Fairy Leaf Ring SetSterling Silver

Regular price $175 $150 (-14%)

Unit price
per 

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 Ring SetSterling Silver

Regular price $175 $150 (-14%)

Unit price
per 

Skye Kite® Alexandrite & Moonstone Engagement Ring Set in 14K Solid Rose Gold by Aquamarise Gold featuring a kite-shaped alexandrite center with moonstone and diamond accents in a fantasy-inspired design.

Skye Kite® Alexandrite & Moonstone Engagement Ring Set14K Rose Gold Vermeil

Regular price $200 $170 (-15%)

Unit price
per 

Starry Night & Black Onyx Engagement Ring Set in 14K White Gold by Aquamarise Gold, featuring a kite-cut celestial blue sandstone surrounded by black onyx accents on polished white gold bands.

Starry Night® & Black Onyx Engagement Ring SetSterling Silver

Regular price $175 $150 (-14%)

Unit price
per 

Amy Rutilated Quartz & Black Moissanite Engagement Ring Set in 14K White Gold by Aquamarise Gold, featuring a pear-shaped rutilated quartz center with black moissanite and pavé diamond accents.
BOGO

Amy Rutilated Quartz & Black Onyx Ring SetSterling Silver

Regular price $175 $140 (-20%)

Unit price
per 

Elaborate ring with a black gemstone on a light purple background

Shadow Queen Black Onyx Lotus RingBlack Ruthenium

Regular price $160 $135 (-16%)

Unit price
per 

Black Moissanite Leaf Ring Guard in 14K White Gold by Aquamarise Gold featuring an open vine design with marquise and round black moissanite stones and a central salt and pepper diamond, part of Solid Gold Engagement Rings and Lovers of the Dark™ collections.

Salt and Pepper (Herkimer) Diamond & Black Onyx Leaf Ring SetSterling Silver

Regular price $175 $150 (-14%)

Unit price
per 

Black Fire Opal & Onyx Leaf Ring in 14K Rose Gold Vermeil features an oval black fire opal center stone with deep red flashes set in a rose gold vermeil band, accented with marquise and round black onyx stones.

Black Fire Opal & Onyx Leaf Ring14K Rose Gold Vermeil

Regular price $175 $150 (-14%)

Unit price
per 

Hexagon Kite Mystic Topaz Engagement Ring Set in 14K White Gold showcasing a vibrant kite-shaped mystic topaz with rainbow hues, accented by sparkling white diamonds on a polished white gold band by Aquamarise Gold.

Hexagon Kite Mystic Topaz Ring SetSterling Silver

Regular price $170 $145 (-15%)

Unit price
per 

Elain Moss Agate & Teal Sapphire Leaf Ring- 14K White Gold by Aquamarise Gold, featuring a marquise moss agate centerpiece flanked by teal sapphire accents on a delicate white gold band, part of nature-inspired and non-traditional engagement ring collections.

Elain Moss Agate & Teal Sapphire Leaf RingSterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

Natural Green Moss Agate Leaf Ring in Sterling Silver by Aquamarise featuring a vintage-inspired design with a round green moss agate stone and delicate leaf motifs on the band.

Natural Green Moss Agate Leaf RingSterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

Teardrop Morganite Ring Set in 14K Rose Gold Vermeil by Aquamarise, featuring a pear-cut blush morganite with a diamond halo, twisted band, and marquise crown band.

Teardrop Morganite Ring Set14K Rose Gold Vermeil

Regular price $195 $165 (-15%)

Unit price
per 

Gold ring with a marquise-shaped diamond on a light purple background

Sun Queen Champagne Moissanite Lotus Ring14K Yellow Gold Vermeil

Regular price $225 $190 (-16%)

Unit price
per 

Esme Lab-Grown Diamond & Alexandrite Ring- 14K White Gold (IGI Certified) featuring a marquise-cut lab-grown diamond flanked by oval-shaped alexandrite stones with delicate diamond accents on a sculpted white gold band by Aquamarise Gold, part of Solid Gold Engagement Rings, April and June Birthstone Jewelry, and Nature-Inspired Engagement Rings collections.

Esme Simulated Diamond and Alexandrite Engagement RingSterling Silver

Regular price $170 $145 (-15%)

Unit price
per 

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.

Celtic Kite Black Rutilated Quartz Engagement Ring SetSterling Silver

Regular price $170 $145 (-15%)

Unit price
per 

Teardrop White Fire Opal Ring Set in 14K Yellow Gold Vermeil

Teardrop White Fire Opal Ring Set14K Yellow Gold Vermeil

Regular price $200 $170 (-15%)

Unit price
per 

Sophia Lab-Grown Diamond Engagement Ring in 14K White Gold (IGI Certified) by Aquamarise Gold with pavé diamond twisted band, part of Solid Gold Engagement Rings and Nature-Inspired collections.

Sophia White Sapphire Engagement RingSterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

Skye Kite® Cornflower Sapphire Ring Set- Black Ruthenium displays a striking kite-cut cornflower blue sapphire centerpiece accented by marquise and round white gemstones on a black ruthenium over sterling silver band, crafted by Aquamarise and featured in September Birthstone Jewelry, Fantasy-Inspired Engagement Rings, and Lovers of the Dark™ collections.

Skye Kite® Cornflower Sapphire Ring SetBlack Ruthenium

Regular price $175 $150 (-14%)

Unit price
per 

Stella Alexandrite Ring in 14K Rose Gold Vermeil by Aquamarise, featuring an oval color-change alexandrite in a north-star halo of marquise and round accents.

Stella Alexandrite Ring14K Rose Gold Vermeil

Regular price $170 $145 (-15%)

Unit price
per 

Ellie Lab-Grown Diamond Engagement Ring in 14K White Gold (IGI Certified) by Aquamarise Gold, featuring a princess-cut center diamond with delicate round diamond accents on a sleek band.

Ellie Simulated Diamond Engagement RingSterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

Princess Cut Black Onyx Engagement Ring Set in 14K/18K White Gold by Aquamarise Gold, featuring a princess-cut black onyx with delicate diamond accents in a modern, elegant design.

Princess Cut Black Onyx Ring SetSterling Silver

Regular price $175 $150 (-14%)

Unit price
per 

Galaxy Raw Salt & Pepper Diamond (Herkimer Diamond) Ring Set in Sterling Silver by Aquamarise, featuring a raw hexagon diamond with leaf and diamond accents, a unique nature-inspired design.

Galaxy Raw Salt & Pepper Diamond (Herkimer Diamond) Ring SetSterling Silver

Regular price $175 $150 (-14%)

Unit price
per 

Fireworks Cut Lab-Grown Ruby Engagement Ring Set in Sterling Silver by Aquamarise, styled on red velvet to highlight the ruby centre.

Fantasy Cut Lab-Grown Ruby Engagement Ring SetSterling Silver

Regular price $175 $150 (-14%)

Unit price
per 

Emerald & Amethyst Mystical Fairy Ring in 14K White Gold by Aquamarise Gold, featuring a marquise emerald center with amethyst accents in an intricate fantasy-inspired design.

Emerald & Amethyst Mystical Fairy Queen RingSterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

Lab-Grown Oval Cut Cornflower Sapphire Leaf Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold with intricate leaf details and a vibrant oval cornflower sapphire center stone.

Cornflower Blue Sapphire Leaf Ring14K Rose Gold Vermeil

Regular price $175 $150 (-14%)

Unit price
per 

Starry Night and Fire Opal Leaf Couples Ring Set by Aquamarise, featuring a glittering galaxy sandstone centerpiece with a marquise shape, accented with blue marquise and round gemstones on a silver band with delicate leaf motifs.

Starry Night® and Sapphire Leaf RingSterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

Lab-Grown Oval Cut Cornflower Sapphire Leaf Engagement Ring in 14K White Gold featuring a deep blue oval sapphire and delicate leaf-shaped accents by Aquamarise Gold.

Cornflower Sapphire Leaf Engagement RingSterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

Esme Black Fire Opal & Onyx Ring in 14K Rose Gold Vermeil by Aquamarise, featuring a fiery opal center with black onyx and diamond accents in a fantasy-inspired rose gold design.

Esme Black Fire Opal & Onyx Ring14K Rose Gold Vermeil

Regular price $175 $150 (-14%)

Unit price
per 

Green Moss Agate and Fire Opal Leaf Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold featuring nature-inspired design with moss agate and glowing fire opal accents.

Green Moss Agate & Opal Leaf Ring14K Rose Gold Vermeil

Regular price $170 $145 (-15%)

Unit price
per 

Iconic Princess Diana Blue Sapphire Ring in Sterling Silver by Aquamarise featuring an oval blue sapphire center surrounded by a sparkling diamond halo on a polished sterling silver band.

Iconic Princess Diana Blue Sapphire RingSterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

Twisted Vine Alexandrite Twig Engagement Ring in 14K White Gold by Aquamarise Gold featuring a pear-shaped alexandrite center with delicate vine and leaf accents in a nature-inspired design.
BOGO

Twisted Vine Alexandrite Twig RingSterling Silver

Regular price $170 $136 (-20%)

Unit price
per 

Celtic Hexagon Cut Lab-Grown Emerald Engagement Ring Set in 14K Solid Yellow Gold by Aquamarise Gold, featuring an emerald hexagon center with sparkling diamond accents on a geometric band.

Celtic Hexagon Cut Emerald Bridal Ring Set14K Yellow Gold Vermeil

Regular price $195 $165 (-15%)

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 Simulated Diamond Engagement Ring14K Yellow Gold Vermeil

Regular price $165 $140 (-15%)

Unit price
per 

Faye Galaxy Orion Nebula™ & Sapphire Couples Ring Set featuring a striking pear-shaped deep blue sapphire centerpiece framed by sparkling diamonds on a black-finished band with elegant swirling details, crafted by Aquamarise.

Faye Cornflower Sapphire Engagement Ring SetBlack Ruthenium

Regular price $175 $150 (-14%)

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