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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.

Green Moissanite Engagement Ring in 14K White Gold by Aquamarise Gold, featuring an oval green moissanite centerpiece with pear-shaped and round diamond accents on a sleek white gold band.
Sale

Pacific Green Moissanite Engagement Ring in Sterling Silver

Regular price $255 $215 (-16%)

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per 

Art Deco Teal Sapphire Engagement Ring in Sterling Silver by Aquamarise, featuring a square teal sapphire center with tapered baguette white gemstones on a polished silver band.
Sale

Art Deco Teal Sapphire Engagement Ring in Sterling Silver

Regular price $160 $80 (-50%)

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per 

Art Deco Rutilated Quartz Engagement Ring in Sterling Silver by Aquamarise, featuring a square rutilated quartz center flanked by tapered baguette clear gemstones on a polished silver band.
Sale

Art Deco Rutilated Quartz Engagement Ring in Sterling Silver

Regular price $160 $80 (-50%)

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per 

Emerald Cut Champagne Moissanite Engagement Ring in Solid 14K Rose Gold by Aquamarise Gold, featuring a radiant champagne moissanite with diamond halo and diamond-accented rose gold band.
Emerald Cut Pacific Green Engagement Ring in 14K White Gold by Aquamarise Gold, featuring a vibrant green emerald cut center with diamond halo and diamond-studded band.

Emerald Cut Pacific Green Engagement Ring in 14K White Gold

from $1,995

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per 

Emerald Cut Alexandrite Engagement Ring in 14K White Gold by Aquamarise Gold, featuring a radiant emerald cut alexandrite surrounded by sparkling round diamonds on a white gold band.

Emerald Cut Alexandrite Engagement Ring in 14K White Gold

from $1,995

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per 

Lab Grown Diamond Leaf Engagement Ring in Solid 14K Yellow Gold (IGI Certified) by Aquamarise Gold, featuring oval diamond with green gemstone leaves in a nature-inspired design.
Lab Grown Diamond Leaf Engagement Ring in Solid 14K Yellow Gold (IGI Certified) by Aquamarise Gold, featuring oval diamond with green gemstone leaves in a nature-inspired design.
Lab Grown Diamond Engagement Ring in Solid 14K Yellow Gold (IGI Certified) by Aquamarise Gold, featuring a radiant-cut diamond with intricate vintage-inspired yellow gold filigree design.
Lab Grown Diamond Engagement Ring in Solid 14K Yellow Gold (IGI Certified) by Aquamarise Gold, featuring a radiant-cut diamond with intricate vintage-inspired yellow gold filigree design.
Lab Grown Diamond Engagement Ring in 14K White Gold (IGI Certified) by Aquamarise Gold, featuring an ornate white gold band with intricate scrollwork around a radiant-cut diamond.
Lab Grown Diamond Engagement Ring in 14K White Gold (IGI Certified) by Aquamarise Gold, featuring an ornate white gold band with intricate scrollwork around a radiant-cut diamond.

Radiant Cut Moissanite Vintage Engagement Ring in 14K White Gold

from $2,365

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per 

Lab Grown Diamond Engagement Ring in 14K White Gold (IGI Certified) by Aquamarise Gold, featuring an ornate white gold band with intricate scrollwork around a radiant-cut diamond.
Sale

Radiant Cut Moissanite Engagement Ring in Sterling Silver

Regular price $255 $215 (-16%)

Unit price
per 

Asscher Cut Art Deco Bezel Set Blue Sapphire Ring in Sterling Silver by Aquamarise, featuring a deep blue sapphire surrounded by a diamond halo on a sleek silver band.
Sale

Asscher Cut Art Deco Bezel Set Blue Sapphire Ring in Sterling Silver

Regular price $160 $80 (-50%)

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per 

Split Shank Halo Alexandrite Engagement Ring in Sterling Silver by Aquamarise, featuring a princess-cut alexandrite center with a halo and split shank band adorned with sparkling stones.
Sale

Split Shank Halo Alexandrite Engagement Ring in Sterling Silver

Regular price $165 $82.50 (-50%)

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per 

Vintage Halo Padparadscha Sapphire Ring in 14K Rose Gold Vermeil by Aquamarise, showcasing an emerald-cut padparadscha sapphire surrounded by a sparkling diamond halo on a rose gold vermeil band.
Sale

Vintage Halo Padparadscha Sapphire Ring in 14K Rose Gold Vermeil

Regular price $160 $80 (-50%)

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per 

Ava Pink Tourmaline Engagement Ring in 14K Rose Gold Vermeil by Aquamarise, featuring an oval pink tourmaline center stone with diamond accents on a delicate rose gold vermeil band.
Sale

Ava Pink Tourmaline Engagement Ring in 14K Rose Gold Vermeil

Regular price $160 $80 (-50%)

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per 

Celtic Knot Lab Grown Diamond Engagement Ring Set in 14K White Gold by Aquamarise Gold, featuring a pear-shaped diamond with intricate Celtic knotwork and delicate diamond accents.
Celtic Knot Lab Grown Diamond Engagement Ring Set in 14K White Gold by Aquamarise Gold, featuring a pear-shaped diamond with intricate Celtic knotwork and delicate diamond accents.

Celtic Knot Moissanite Engagement Ring Set in 14K White Gold

from $2,365

Unit price
per 

Celtic Knot Moonstone Engagement Ring Set in 14K White Gold by Aquamarise Gold, featuring a pear-shaped moonstone with intricate Celtic knotwork and sparkling gemstone accents.

Celtic Knot Moonstone Engagement Ring Set in 14K White Gold

from $2,365

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per 

Aurelia Lab Diamond & Black Onyx Engagement Ring in Solid 14K Yellow Gold (IGI Certified) by Aquamarise Gold, featuring an oval lab diamond with black onyx accents on a detailed yellow gold band.
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.
Heart White Sapphire Promise Ring in Sterling Silver by Aquamarise, featuring a heart-shaped white sapphire surrounded by pavé accents on a polished sterling silver band.
Sale

Heart White Sapphire Promise Ring in Sterling Silver

Regular price $160 $135 (-16%)

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per 

Siren Queen Marquise Aquamarine Lotus Engagement Ring in Solid 14K Yellow Gold
Lab Grown Diamond Crown Wedding Band in 14K White Gold by Aquamarise Gold, featuring a pear-shaped center diamond with baguette and round diamond accents in a crown-inspired design.
Sale

Pear White Sapphire Art Deco Bridal Ring Set in Sterling Silver

Regular price $195 $165 (-15%)

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per 

Pear White Sapphire Art Deco Bridal Ring Set in Sterling Silver by Aquamarise, featuring a pear-shaped white sapphire with pavé accents on a sleek sterling silver band.
Sale

Pear White Sapphire Engagement Ring with Hidden Halo in Sterling Silver

Regular price $160 $135 (-16%)

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per 

Aurelia Morganite & Black Onyx Leaf Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold, featuring an oval morganite center, black onyx accents, white gemstones, and a leaf-inspired band design.
Aurelia Sapphire & Black Onyx Leaf Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold, featuring an oval sapphire, black onyx accents, white gemstones, and a rose gold leaf-inspired band.
Aurelia Sapphire & Black Onyx Leaf Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold, featuring an oval sapphire, black onyx accents, white gemstones, and a rose gold leaf-inspired band.
Sale

Aurelia Blue Sapphire & Black Onyx 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.
Champagne Moissanite Vintage Engagement Ring in 14K White Gold by Aquamarise Gold, showcasing an oval champagne moissanite center with a diamond halo and detailed vintage-inspired band design.

Champagne Moissanite Vintage Engagement Ring in 14K White Gold

from $1,995

Unit price
per 

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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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