• 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.

Oval Cut Blue Sapphire Engagement Ring in Sterling Silver featuring a deep blue oval sapphire accented by marquise and round diamond details on a polished band by Aquamarise.

Oval Cut Blue Sapphire Engagement RingSterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

Natural Sunstone Leaf Ring in 14K Rose Gold Vermeil by Aquamarise featuring a glowing orange sunstone and detailed leaf motif on a vintage-inspired rose gold vermeil band.
BOGO

Natural Sunstone Leaf Ring14K Rose Gold Vermeil

Regular price $170 $136 (-20%)

Unit price
per 

Iris Oval Moonstone Engagement Ring in 14K White Gold by Aquamarise Gold, featuring a luminous oval moonstone with a sparkling halo and detailed pavé band in solid white gold.
BOGO

Iris Natural Oval Cut Moonstone Engagement RingSterling Silver

Regular price $160 $128 (-20%)

Unit price
per 

Galaxy Rainbow Moonstone Couples Ring Set featuring a luminous blue moonstone center with a sparkling diamond halo and pavé diamonds on a radiant rose gold band by Aquamarise.
BOGO

Iris Oval Moonstone Ring14K Rose Gold Vermeil

Regular price $170 $136 (-20%)

Unit price
per 

Vintage Morganite Ring- 14K Rose Gold Vermeil by Aquamarise, featuring a peachy-pink round morganite center with sparkling accents on a vintage-inspired rose gold vermeil band.
BOGO

Vintage Morganite Ring14K Rose Gold Vermeil

Regular price $170 $136 (-20%)

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 RingSterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

Natural London Blue Topaz Engagement Ring in 14K White Gold by Aquamarise Gold featuring an emerald-cut blue topaz center with vintage-inspired diamond accents and detailed band design.
BOGO

Vintage London Blue Topaz RingSterling Silver

Regular price $160 $128 (-20%)

Unit price
per 

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.
BOGO

Cordelia Natural Australian Opal Ring14K Rose Gold Vermeil

Regular price $175 $140 (-20%)

Unit price
per 

Sophia Paraiba Tourmaline Twisted Vine Ring in Sterling Silver by Aquamarise featuring a vivid turquoise Paraiba tourmaline with a twisted silver band accented with small diamonds.

Sophia Paraiba Tourmaline Twisted Vine RingSterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

Princess Cut Alexandrite Engagement Ring in Sterling Silver by Aquamarise featuring a 3CT color-shifting gemstone with pavé diamond accents on a polished band, part of sterling silver and birthstone collections.
BOGO

Princess Cut Alexandrite Engagement RingSterling Silver

Regular price $170 $136 (-20%)

Unit price
per 

Bella Oval Cut Alexandrite Engagement Ring Set in 14K Solid Rose Gold by Aquamarise Gold featuring a deep blue-purple oval alexandrite with sparkling diamond accents on elegant rose gold bands.
BOGO

Bella Oval Cut Alexandrite Ring Set14K Rose Gold Vermeil

Regular price $195 $156 (-20%)

Unit price
per 

Emerald Cut Morganite Ring in Sterling Silver

Amelia Emerald Cut Morganite RingSterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

Black Onyx Engagement Ring | Gothic Victorian Solitaire Silver

Victorian Gothic Scrollwork Black Onyx RingBlack Ruthenium

Regular price $160 $135 (-16%)

Unit price
per 

Silver ring with a colorful gemstone on a white background

Mystical Fairy Rainbow Moissanite Ring SetSterling Silver

Regular price $230 $195 (-15%)

Unit price
per 

Moss Agate, Peacock Opal & Whiskey Barrel Wood Couples Ring Set featuring a marquise moss agate centerpiece with delicate green accents on a rose gold band, crafted by Aquamarise in a nature-inspired, matching design.

Rowan Marquise Moss Agate Leaf Engagement Ring14K Rose Gold Vermeil

Regular price $175 $150 (-14%)

Unit price
per 

A sterling silver ring with a pear-shaped rose quartz center stone, accompanied by round white accent stones and a band of pearls.

Briar Rose Quartz & Pearl Ring SetSterling Silver

Regular price $175 $150 (-14%)

Unit price
per 

Kite Green Moss Agate Ring Set in 14K Rose Gold by Aquamarise

Kite Green Moss Agate Ring Set14K Rose Gold Vermeil

Regular price $195 $165 (-15%)

Unit price
per 

Hexagon Green Moss Agate Stacking Ring Set in Sterling Silver by Aquamarise, featuring a hexagon moss agate gemstone with delicate diamond accents on polished sterling silver bands.

Hexagon Green Moss Agate Stacking Ring SetSterling Silver

Regular price $175 $150 (-14%)

Unit price
per 

Gold ring with blue and purple gemstones on a white background
BOGO

Toi Et Moi Alexandrite & London Blue Topaz Ring14K Yellow Gold Vermeil

Regular price $185 $148 (-20%)

Unit price
per 

Hexagon Cut Green Moss Agate Engagement Ring Set in 14K Solid Rose Gold by Aquamarise Gold, featuring a vintage-inspired green moss agate stone with diamond accents in a nature-themed design.
BOGO

Hexagon Cut Green Moss Agate Engagement Ring Set14K Rose Gold Vermeil

Regular price $185 $148 (-20%)

Unit price
per 

Stella Natural Red Garnet Ring in 14K Rose Gold Vermeil by Aquamarise, featuring an oval red garnet in a north-star halo of marquise and round accents.
BOGO

Stella Natural Red Garnet Ring14K Rose Gold Vermeil

Regular price $170 $136 (-20%)

Unit price
per 

Rose gold ring with a green gemstone on a light purple background
BOGO

Moss Agate Leaf Ring14K Rose Gold Vermeil

Regular price $170 $136 (-20%)

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 RingSterling Silver · Hidden Halo

Regular price $160 $135 (-16%)

Unit price
per 

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

Emerald Cut Morganite Engagement RingSterling Silver · Hidden Halo

Regular price $160 $135 (-16%)

Unit price
per 

Vintage Ruby Engagement Ring in 14K Solid Yellow Gold featuring an emerald-cut ruby centerpiece with delicate filigree band and sparkling accent stones by Aquamarise Gold.
BOGO

Vintage Ruby Ring14K Yellow Gold Vermeil

Regular price $175 $140 (-20%)

Unit price
per 

An oval-shaped Alexandrite gemstone engagement ring with a halo of either moissanite or diamond accents set in a 14K white gold band, displayed against a gradient purple and pink background.

Iris Lab-Grown Alexandrite RingSterling Silver

Regular price $170 $145 (-15%)

Unit price
per 

Eva Oval Cut Lab-Grown Alexandrite Ring in Sterling Silver by Aquamarise featuring an oval alexandrite center stone with marquise-cut side stones in a nature-inspired vintage floral design.
BOGO

Eva Oval Cut Lab-Grown Alexandrite RingSterling Silver

Regular price $170 $136 (-20%)

Unit price
per 

Natural Australian Opal Ring in 14K Rose Gold Vermeil by Aquamarise, featuring a glowing opal center with delicate floral motifs and pavé-set simulated diamonds in a vintage-inspired design.

Natural Australian Opal Ring14K Rose Gold Vermeil

Regular price $170 $145 (-15%)

Unit price
per 

Sophia Padparadscha Sapphire Engagement Ring in 14K White Gold by Aquamarise Gold featuring a round padparadscha orange sapphire with twisted pavé diamond accents on a white gold band.
BOGO

Sophia Padparadscha Sapphire RingSterling Silver

Regular price $160 $128 (-20%)

Unit price
per 

Amelia Emerald Cut Aquamarine Engagement Ring in 14K White Gold by Aquamarise Gold, featuring a radiant emerald cut aquamarine with sparkling side stones on a polished band.

Amelia Emerald Cut Aquamarine Engagement RingSterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

Leaf Wedding Band in 14K Solid Rose Gold by Aquamarise Gold, featuring a nature-inspired vine design accented with sparkling diamonds, perfect as a meaningful women’s wedding band.
BOGO

Natural Amethyst Leaf Ring Set14K Rose Gold Vermeil

Regular price $195 $156 (-20%)

Unit price
per 

An oval blue sapphire engagement ring with a halo of white gold and diamond accents on a purple and gray background.
BOGO

Iris Blue Sapphire RingSterling Silver

Regular price $160 $128 (-20%)

Unit price
per 

Briar Natural Red Garnet & Pearl Ring Set in Black Ruthenium featuring a pear-shaped red garnet surrounded by diamonds and pearls on a twisted black ruthenium band by Aquamarise.

Briar Natural Red Garnet & Pearl Ring SetBlack Ruthenium

Regular price $185 $155 (-16%)

Unit price
per 

Teardrop Morganite & Fire Opal Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold featuring a pear-shaped morganite center with fire opal and diamond accents on an elegant band.
BOGO

Teardrop Morganite & Fire Opal Ring14K Rose Gold Vermeil

Regular price $170 $136 (-20%)

Unit price
per 

Toi Et Moi Rutilated Quartz & Black Onyx Engagement Ring in 14K White Gold by Aquamarise Gold, featuring a gothic-inspired duo of stones in a sleek solid gold band design.
BOGO

Toi Et Moi Rutilated Quartz & Black Onyx RingSterling Silver

Regular price $160 $128 (-20%)

Unit price
per 

Emerald Cut Aquamarine and Moonstone Engagement Ring in 14K White Gold by Aquamarise Gold, featuring a luminous aquamarine center flanked by glowing moonstones in a sleek white gold setting.
BOGO

Petite Aquamarine & Moonstone RingSterling Silver

Regular price $160 $128 (-20%)

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