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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.

Valentina Art Deco Lab-Grown Ruby Engagement Ring in 14K White Gold by Aquamarise Gold, featuring an oval lab-grown ruby center with a diamond halo and intricate white gold band.
Sale

Valentina Art Deco Lab-Grown Ruby Engagement Ring in 14K White Gold

Regular price from $2,095 (-9%)

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per 

Valentina Art Deco Alexandrite Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold, featuring an oval alexandrite center with vintage-inspired diamond halo and delicate rose gold band.
Sale

Valentina Art Deco Alexandrite Engagement Ring in 14K Solid Rose Gold

Regular price from $2,095 (-9%)

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per 

Valentina Vintage Inspired Aquamarine Engagement Ring in 14K White Gold by Aquamarise Gold, featuring an oval aquamarine center surrounded by intricate halo and detailed diamond accents.
Sale

Valentina Vintage Inspired Aquamarine Engagement Ring in 14K White Gold

Regular price from $2,095 (-9%)

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per 

Valentina Art Deco Morganite Engagement Ring in 14K White Gold by Aquamarise Gold, featuring a peach-pink oval morganite with intricate diamond accents on a vintage-inspired band.
Sale

Valentina Art Deco Morganite Engagement Ring in 14K White Gold

Regular price from $2,095 (-9%)

Unit price
per 

Valentina Art Deco Alexandrite Ring in 14K White Gold by Aquamarise Gold featuring a color-shifting oval alexandrite surrounded by intricate diamond accents in a vintage-inspired design.
Sale

Valentina Art Deco Alexandrite Ring in 14K White Gold

Regular price from $2,095 (-9%)

Unit price
per 

Valentina Art Deco Emerald Ring in 14K Solid Yellow Gold by Aquamarise Gold, featuring a vivid oval emerald surrounded by intricate milgrain and sparkling diamonds in a vintage-inspired design.
Sale

Valentina Art Deco Emerald Ring in 14K Solid Yellow Gold

Regular price from $2,095 (-9%)

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per 

Stella Black Moissanite Engagement Ring in 14K White Gold by Aquamarise Gold featuring an oval black moissanite center with marquise and round white accents in a vintage-inspired design.
Sale

Stella Black Moissanite Engagement Ring in 14K White Gold

Regular price from $2,295 (-8%)

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per 

Stella Oval Cut Aquamarine Vintage Engagement Ring in 14K White Gold by Aquamarise Gold, featuring an oval aquamarine with marquise and round diamonds in a vintage-inspired setting.
Sale

Stella Oval Cut Aquamarine Vintage Engagement Ring in 14K White Gold

Regular price from $2,195 (-8%)

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per 

Cushion Cut Emerald Engagement Ring in 14K Solid Yellow Gold (Hidden Halo) by Aquamarise Gold, featuring a vibrant cushion emerald and diamond-accented band from Solid Gold Engagement Rings.
Sale

Cushion Cut Emerald Engagement Ring in 14K Solid Yellow Gold (Hidden Halo)

Regular price from $2,195 (-8%)

Unit price
per 

Ring with a large blue gemstone and smaller diamonds on a soft purple background
Sale

Cushion Cut Alexandrite Engagement Ring in 14K White Gold (Hidden Halo)

Regular price from $2,095 (-9%)

Unit price
per 

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.
Sale

Skye Kite® Galaxy Natural Herkimer Diamond Engagement Ring Set in 14K Solid Yellow Gold

Regular price from $2,195 Up to (-16%)

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per 

Skye Kite® Black Onyx Engagement Ring Set in 14K Solid Rose Gold with kite-shaped black onyx center and sparkling accent stones, showcasing Aquamarise Gold's elegant women’s rings collection.
Sale

Skye Kite® Black Onyx Engagement Ring Set in 14K Solid Rose Gold

Regular price from $2,195 (-8%)

Unit price
per 

Toi Et Moi Lab-Grown Diamond Engagement Ring in 14K White Gold (IGI Certified) by Aquamarise Gold features a modern design with two IGI-certified lab-grown diamonds, including an emerald cut and a pear-shaped stone, set on a sleek white gold band.
Sale

Toi Et Moi Lab-Grown Diamond Engagement Ring in 14K White Gold (IGI Certified)

Regular price $2,739.95 from $2,539.95 (-7%)

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per 

Toi Et Moi Lab-Grown Diamond Engagement Ring in 14K White Gold (IGI Certified) by Aquamarise Gold features a modern design with two IGI-certified lab-grown diamonds, including an emerald cut and a pear-shaped stone, set on a sleek white gold band.
Sale

Toi Et Moi Moissanite Engagement Ring in 14K White Gold

Regular price $2,575 from $2,375 (-8%)

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per 

Esme Ruby and Black Onyx Engagement Ring in 14K White Gold by Aquamarise Gold showcases a vivid oval ruby center accented with natural black onyx stones, set in a delicate, intricately detailed white gold band from the July Birthstone Jewelry and Non-Traditional Gemstone Engagement Rings collections.
Sale

Esme Ruby and Black Onyx Engagement Ring in 14K White Gold

Regular price $2,345 from $2,145 (-9%)

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per 

Feyra Lab-Grown Diamond and Blue Sapphire Engagement Ring in 14K White Gold (IGI Certified) by Aquamarise Gold features a pear-shaped lab-grown diamond center flanked by marquise blue sapphires and round blue sapphire accents in a nature-inspired, elegant white gold setting.
Sale

Feyra Lab-Grown Diamond and Blue Sapphire Engagement Ring in 14K White Gold (IGI Certified)

Regular price $3,020.95 from $2,820.95 (-7%)

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per 

Feyra Lab-Grown Diamond and Blue Sapphire Engagement Ring in 14K White Gold (IGI Certified) by Aquamarise Gold features a pear-shaped lab-grown diamond center flanked by marquise blue sapphires and round blue sapphire accents in a nature-inspired, elegant white gold setting.
Sale

Feyra Moissanite and Blue Sapphire Engagement Ring in 14K White Gold

Regular price $2,345 from $2,145 (-9%)

Unit price
per 

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.
Sale

Feyra Lab-Grown Diamond and Emerald Engagement Ring in 14K White Gold (IGI Certified)

Regular price $3,020.95 from $2,820.95 (-7%)

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per 

Feyra Gray Moissanite and Black Onyx Engagement Ring- 14K White Gold by Aquamarise Gold features a pear-shaped gray moissanite center stone framed by black onyx accents in an intricate white gold band, part of Solid Gold Engagement Rings and Fantasy-Inspired Engagement Rings collections.
Sale

Feyra Gray Moissanite and Black Onyx Engagement Ring in 14K White Gold

Regular price $2,345 from $2,145 (-9%)

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per 

Ruby and Black Onyx Leaf Engagement Ring Set- 14K White Gold features a vibrant oval ruby centerpiece flanked by intricately detailed white gold bands adorned with black onyx stones in a nature-inspired leaf motif by Aquamarise Gold.
Sale

Ruby and Black Onyx Leaf Engagement Ring Set in 14K White Gold

Regular price $2,745 from $2,545 (-7%)

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per 

Skye Kite® Green Sapphire Ring Set- 14K White Gold by Aquamarise Gold features a kite-cut green sapphire centerpiece accented with marquise and round diamonds on delicate white gold bands, part of the Skye Kite® Jewelry Collection and September Birthstone Jewelry.
Sale

Skye Kite® Green Sapphire Ring Set in 14K White Gold

Regular price from $2,195 (-8%)

Unit price
per 

Rose gold ring with large central gemstone and smaller stones on a gradient background
Sale

Skye Kite® Aquamarine and Moonstone Ring Set in 14K Solid Rose Gold

Regular price from $2,195 (-8%)

Unit price
per 

Cordelia Oval Cut Art Deco Ruby Engagement Ring in 14K Solid Yellow Gold by Aquamarise Gold, featuring a vibrant ruby center surrounded by sparkling moissanite accents in a vintage style.
Sale

Cordelia Oval Cut Art Deco Ruby Engagement Ring in 14K Solid Yellow Gold

Regular price $2,375 from $2,175 (-8%)

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per 

Cordelia Vintage Morganite Engagement Ring in Sterling Silver by Aquamarise with an oval morganite center stone surrounded by sparkling diamonds on an intricate sterling silver band.
Sale

Cordelia Vintage Morganite Engagement Ring in 14K White Gold

Regular price $2,375 from $2,175 (-8%)

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per 

Kite green moss agate three piece ring set in 14K rose gold
Sale

Kite Green Moss Agate 3-Piece Bridal Ring Set in 14K Solid Rose Gold

Regular price from $2,245 (-8%)

Unit price
per 

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.

Toi Et Moi Aquamarine and Moissanite Ring in 14K White Gold

from $2,375

Unit price
per 

Feyra Lab-Grown Diamond Engagement Ring- 14K Solid Yellow Gold (IGI Certified) features a pear-shaped lab-grown diamond centerpiece with delicate marquise and round accents on an intricately twisted 14K yellow gold band by Aquamarise Gold, part of Solid Gold Engagement Rings and April Birthstone Jewelry collections.
Feyra Lab-Grown Diamond Engagement Ring- 14K Solid Yellow Gold (IGI Certified) features a pear-shaped lab-grown diamond centerpiece with delicate marquise and round accents on an intricately twisted 14K yellow gold band by Aquamarise Gold, part of Solid Gold Engagement Rings and April Birthstone Jewelry collections.

Feyra Moissanite Engagement Ring in 14K Solid Yellow Gold

from $1,975

Unit price
per 

Celtic Hexagon Cut Green Moss Agate Engagement Ring Set in 14K White Gold by Aquamarise Gold, featuring a geometric moss agate center with sparkling diamond accents.
Hexagon Cut Rutilated Quartz and Black Onyx Engagement Ring in 14K White Gold by Aquamarise Gold, featuring geometric black onyx accents and a unique rutilated quartz center stone.
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.
Toi Et Moi Blue Moissanite Two Stone Engagement Ring in 14K White Gold by Aquamarise Gold, featuring pear-shaped blue and white moissanite stones in a delicate white gold band.

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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.

From the Blog

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Moss Agate Engagement Rings Guide

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Green Engagement Rings: The Complete Guide to Every Green Gemstone

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