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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.

Hidden Halo Cushion Cut Ruby Ring in 14K Rose Gold Vermeil by Aquamarise, featuring a vibrant cushion cut ruby center with a delicate hidden halo and diamond accents on rose gold vermeil band.
Sale

Hidden Halo Cushion Cut Ruby Ring in 14K Rose Gold Vermeil

Regular price $175 $150 (-14%)

Unit price
per 

Bella Oval Cut Ruby Engagement Ring Set in 14K Solid Rose Gold by Aquamarise Gold, featuring a vivid oval ruby and sparkling diamond accents for a unique, romantic engagement ring set.
Sale

Bella Oval Cut Ruby Ring Set in 14K Rose Gold Vermeil

Regular price $195 $165 (-15%)

Unit price
per 

Ella Natural Peridot Ring in Sterling Silver by Aquamarise featuring a vibrant green peridot center surrounded by sparkling accents on a finely detailed polished band.

Ella Natural Peridot Ring in Sterling Silver

$115

Unit price
per 

Victoria Natural Citrine Ring in 14K White Gold by Aquamarise Gold featuring an oval citrine center surrounded by tapered baguette and round moissanite accents on a polished white gold band.

Victoria Natural Citrine Ring in Sterling Silver

$105

Unit price
per 

Vintage Octagon Halo Green Amethyst Ring in Sterling Silver by Aquamarise, featuring a 0.85 carat green amethyst center with baguette and round simulated diamond accents in a vintage halo design.
Sale

Vintage Octagon Halo Green Amethyst Ring in Sterling Silver

Regular price $160 $96 (-40%)

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per 

Alexandrite Ring- 14K Rose Gold Vermeil by Aquamarise, featuring a color-shifting cushion-cut alexandrite surrounded by sparkling white stones on a detailed rose gold vermeil band.
Sale

Cushion Alexandrite Engagement Ring in 14K Rose Gold Vermeil

Regular price $175 $150 (-14%)

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per 

Ava Emerald Cut Padparadscha Sapphire Engagement Ring in Sterling Silver by Aquamarise, featuring a vibrant emerald-cut orange sapphire with diamond accents on a polished band.
Sale

Ava Emerald Cut Padparadscha Sapphire Engagement Ring in Sterling Silver

Regular price $160 $135 (-16%)

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.
Sale

Minimalist Kite Cut Bezel Lab-Grown Ruby Ring Set in Sterling Silver

Regular price $135 $94.50 (-30%)

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per 

Victoria London Blue Topaz Engagement Ring in 14K White Gold by Aquamarise Gold, featuring an oval blue topaz centerpiece surrounded by sparkling moissanite accents in a vintage-inspired design.
Aurora Oval Halo Aquamarine Ring in Sterling Silver with a 1.4 carat oval aquamarine center, surrounded by a marquise-cut diamond sunburst halo by Aquamarise, elegant fantasy-inspired design.
Sale

Aurora Oval Halo Aquamarine Ring in Sterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

Diana Natural Citrine Ring in Sterling Silver by Aquamarise featuring an oval golden citrine surrounded by sparkling white stones on a polished sterling silver band.
Sale

Diana Natural Citrine Ring in Sterling Silver

Regular price $160 $135 (-16%)

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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.
Sale

Kite Cut Bezel Tanzanite Engagement Ring Set in Sterling Silver

Regular price $140 $98 (-30%)

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per 

Flair Teardrop Morganite Engagement Ring in Sterling Silver by Aquamarise featuring a blush pink teardrop morganite center with diamond accents on an elegant sterling silver band.
Sale

Flair Teardrop Morganite Engagement Ring in Sterling Silver

Regular price $140 $84 (-40%)

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per 

Hexagon Alexandrite Ring- Sterling Silver by Aquamarise, featuring a vintage-inspired round alexandrite centerpiece with simulated diamond accents in an octagonal halo on a polished sterling silver band.

Hexagon Alexandrite Ring- Sterling Silver

$115

Unit price
per 

Aurora White Sapphire Ring- Sterling Silver featuring an oval white sapphire center surrounded by marquise and round simulated diamonds on a polished sterling silver band by Aquamarise.

Aurora White Sapphire Ring- Sterling Silver

$115

Unit price
per 

Lunette Vivid Pink Sapphire Ring Set in 14K White Gold by Aquamarise Gold featuring a teardrop pink sapphire surrounded by sparkling diamonds in a unique, fantasy-inspired design.
Sale

Lunette Pink Sapphire Ring Set in Sterling Silver

Regular price $175 $150 (-14%)

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per 

Three Stone Garnet Engagement Ring in 14K Rose Gold Vermeil by Aquamarise with three oval garnets and sparkling diamond accents in an elegant rose gold setting.
Sale

Three Stone Garnet Engagement Ring in 14K Rose Gold Vermeil

Regular price $170 $145 (-15%)

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per 

Joelle Vintage Natural Red Garnet Ring in Sterling Silver by Aquamarise featuring a radiant red garnet center surrounded by sparkling baguette and round white stones in an Art Deco design.
Sale

Joelle Vintage Natural Red Garnet Ring in Sterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

Gothic Vintage Floral Ring Set in Black Ruthenium by Aquamarise, featuring a black gemstone center with intricate floral and leaf details on a dark polished band, in Lovers of the Dark™ collection.

Gothic Vintage Floral Ring Set in Black Ruthenium

$145

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per 

Arwen Black Onyx & Pearl Couples Ring Set by Aquamarise, featuring a marquise black onyx center with pearl clusters and delicate silver detailing on a textured sterling silver band.
Sale

Arwen Black Onyx & Pearl Ring in Sterling Silver

Regular price $160 $135 (-16%)

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per 

Fire Queen Marquise Ruby & Black Onyx Engagement Ring in 14K White Gold by Aquamarise Gold, featuring a marquise ruby center with black onyx accents on an intricate white gold band.
Sale

Fire Queen Marquise Ruby & Black Onyx Ring in Sterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

Aster Alexandrite Engagement Ring in 14K Rose Gold Vermeil by Aquamarise, featuring a round alexandrite center surrounded by a halo of diamonds on a pavé diamond rose gold band.
Sale

Aster Alexandrite Engagement Ring in 14K Rose Gold Vermeil

Regular price $175 $150 (-14%)

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per 

Heart Cut Ruby Promise Ring in 14K Rose Gold Vermeil by Aquamarise, featuring a heart-shaped ruby centerpiece surrounded by sparkling diamond accents on a rose gold vermeil band.
Sale

Heart Cut Ruby Promise Ring in 14K Rose Gold Vermeil

Regular price $175 $150 (-14%)

Unit price
per 

Aurelia Amethyst & Black Onyx Leaf Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold, featuring an oval amethyst center with black onyx accents and delicate leaf-inspired band design.
Sale

Aurelia Amethyst & Black Onyx Ring in 14K Rose Gold Vermeil

Regular price $175 $150 (-14%)

Unit price
per 

Victorian Gothic Moissanite Filigree Engagement Ring in Black Ruthenium featuring a marquise cut stone on a black ruthenium-finished sterling silver band with intricate Victorian scrollwork by Aquamarise Gold.
Sale

Victorian Gothic Moissanite Filigree Engagement Ring in Black Ruthenium

Regular price $230 $195 (-15%)

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per 

Ruby Engagement Ring Cushion Cut Ruby Halo Ring on light purple background
Sale

Elongated Cushion Ruby Ring in 14K Rose Gold Vermeil

Regular price $175 $150 (-14%)

Unit price
per 

Blue Sapphire Engagement Ring Cushion Cut Ceylon Sapphire on hand over light purple background
Sale

Elongated Cushion Blue Sapphire Ring in 14K Rose Gold Vermeil

Regular price $175 $150 (-14%)

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per 

Celtic Knot Black Onyx Engagement Ring Set in Solid 14K Yellow Gold
Sale

Celtic Knot Black Onyx Ring Set in 14K Yellow Gold Vermeil

Regular price $200 $170 (-15%)

Unit price
per 

Silver ring with purple gemstones on a light purple background
Diamond ring with a central black diamond and pear-shaped side stones on a reflective surface with a blurred purple background.

Kite Herkimer Diamond Engagement Ring Set in 14K White Gold

from $2,285

Unit price
per 

Gold ring with a marquise-shaped diamond on a light purple background
Elegant silver ring with a blue gemstone on a reflective surface
Sale

Midnight Fairy Blue Moissanite Ring Set in Sterling Silver

Regular price $230 $195 (-15%)

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per 

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200K+ Happy Couples

Fantasy-inspired designs

Unique engagement rings are the ones that don’t look like everything else in the case — rings built around unusual gemstones, unconventional cuts and settings you won’t find in a mall jeweler’s standard range. Aquamarise has built its entire catalog around that idea: moss agate, salt-and-pepper diamonds, alexandrite and fantasy cuts set in nature-inspired, gothic and celestial designs. This collection is the full range of unique engagement rings, in genuine 925 sterling silver, gold vermeil and solid gold.

What makes an engagement ring unique

Three things, usually. The stone: moss agate, rutilated quartz, salt-and-pepper diamonds and opal all carry natural patterns that never repeat, so the ring is literally one of a kind. The cut: kite, hexagon, coffin and fireworks fantasy cuts break from the round-brilliant default. And the setting: nature-inspired, gothic and floral designs turn the mount itself into the statement.

Unique engagement rings for women

The most-requested unique styles pair an unusual stone with a distinctive silhouette — a moss agate engagement ring in a leafy setting, a toi et moi two-stone design, or an east west setting that turns the stone sideways. For colored center stones see gemstone engagement rings; for something sparkling but affordable, moissanite engagement rings.

Unique, alternative & non-traditional

These terms overlap but lean differently. Unique is about the design being one of a kind. Alternative engagement rings emphasize stepping away from the diamond-solitaire convention entirely. If you want the classic look done well instead, see traditional engagement rings, or for a pre-engagement commitment piece, promise rings.

Unique Engagement Rings FAQs

What counts as a unique engagement ring?

An engagement ring that departs from the standard round-brilliant diamond solitaire — through an unusual gemstone, an unconventional cut such as kite or hexagon, or a distinctive setting like nature-inspired or gothic designs.

Which gemstones make a ring one of a kind?

Stones with natural, non-repeating patterns: moss agate, rutilated quartz, salt-and-pepper diamonds and opal. No two stones share the same internal pattern, so each ring is genuinely singular.

Are unique engagement rings durable enough for daily wear?

Most are, but it depends on the stone’s hardness. Sapphire (Mohs 9), moissanite (9.25) and diamond (10) are extremely durable; quartz-family stones like moss agate and rutilated quartz sit at 7 and benefit from a protective setting.

What is the difference between unique and alternative engagement rings?

They overlap heavily. Unique emphasizes a one-of-a-kind design; alternative emphasizes stepping away from the traditional diamond solitaire. Many rings qualify as both.

Can a unique engagement ring be customized?

Yes — stone, cut and metal can be specified on many designs. See custom engagement rings for made-to-order options.

What metals are available?

Genuine 925 sterling silver, 14K gold vermeil, and made-to-order solid gold and platinum. See solid gold rings and sterling silver engagement rings.

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