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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.

Blue Sapphire & Moissanite Leaf Ring Guard in 14K White Gold by Aquamarise Gold featuring vine and leaf motifs with lab-grown blue sapphires and sparkling moissanite accents.
Natural Amethyst & Fire Opal Engagement Ring in 14K White Gold by Aquamarise Gold featuring a pear-shaped amethyst center with opal and diamond accents on a delicate white gold band.
Sale

Natural Amethyst & Fire Opal Ring in Sterling Silver

Regular price $160 $135 (-16%)

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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.
Sale

Teardrop Morganite & Fire Opal Ring in 14K Rose Gold Vermeil

Regular price $170 $145 (-15%)

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per 

Celtic Hexagon Morganite Engagement Ring Set in 14K Solid Rose Gold by Aquamarise Gold, featuring a hexagon-cut morganite and sparkling diamonds in a unique Celtic-inspired design.
Sale

Celtic Hexagon Morganite Ring Set in 14K Rose Gold Vermeil

Regular price $170 $145 (-15%)

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Princess Cut Rutilated Quartz Engagement Ring Set in 14K Solid Rose Gold by Aquamarise Gold, featuring a unique rutilated quartz center with sparkling diamond accents in a modern rose gold setting.
Sale

Natural Black Rutilated Quartz Ring Set in 14K Rose Gold Vermeil

Regular price $200 $170 (-15%)

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per 

Rose gold ring with a blue gemstone and small diamonds on a light purple background
Sale

Skye Kite® Natural Lapis Lazuli & Moonstone Ring Set in 14K Rose Gold Vermeil

Regular price $200 $170 (-15%)

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per 

Entwined Natural Australian Opal Engagement Ring in 14K Solid Yellow Gold by Aquamarise Gold, featuring a luminous opal center with intertwined diamond-accented yellow gold band.
Sale

Entwined Fire Opal Engagement Ring in 14K Yellow Gold Vermeil

Regular price $175 $150 (-14%)

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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.
Sale

Vintage Ruby Ring in 14K Yellow Gold Vermeil

Regular price $175 $150 (-14%)

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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.
Sale

Iris Lab-Grown Alexandrite Ring in Sterling Silver

Regular price $170 $145 (-15%)

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Teardrop Alexandrite Engagement Ring in 14K White Gold by Aquamarise Gold, featuring a pear-shaped color-changing alexandrite with a pavé diamond halo for unique and elegant engagement jewelry.
Sale

Teardrop Alexandrite Engagement Ring in Sterling Silver

Regular price $170 $145 (-15%)

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per 

Sophia Twisted Vine Aquamarine Engagement Ring in 14K White Gold by Aquamarise Gold featuring a princess-cut aquamarine with twisted vine details and sparkling pavé accents on the band.
Sale

Sophia Twisted Vine Aquamarine Ring in Sterling Silver

Regular price $160 $135 (-16%)

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per 

Rose gold ring with a pink gemstone and diamond accents on a light purple background
Sale

Lily Oval Morganite Flower Ring in 14K Rose Gold Vermeil

Regular price $175 $150 (-14%)

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Vintage Garnet Engagement Ring in 14K White Gold by Aquamarise Gold featuring deep red garnet center, moissanite accents, and intricate vintage-inspired white gold band design.
Sale

Vintage Natural Red Garnet Ring in Sterling Silver

Regular price $160 $135 (-16%)

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Flair Teardrop Alexandrite Ring in Sterling Silver by Aquamarise featuring a pear-shaped lab-grown alexandrite surrounded by sparkling accents in an elegant twisted vine design.
Sale

Flair Teardrop Alexandrite Ring in Sterling Silver

Regular price $170 $145 (-15%)

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Eva Natural London Blue Topaz Engagement Ring in 14K White Gold by Aquamarise Gold featuring a deep blue oval topaz with marquise-cut accent stones in an elegant vintage-inspired design.
Sale

Eva London Blue Topaz Engagement Ring in Sterling Silver

Regular price $160 $135 (-16%)

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per 

Oval Cut Emerald Leaf Ring Set in 14K Rose Gold Vermeil by Aquamarise featuring an oval emerald center surrounded by sparkling stones and delicate vine leaf detailing in rose gold vermeil.
Sale

Oval Cut Emerald Leaf Ring Set in 14K Rose Gold Vermeil

Regular price $185 $155 (-16%)

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Astra Black Onyx Engagement Ring in Sterling Silver by Aquamarise, featuring an oval black onyx center surrounded by sparkling white stones on a polished sterling silver band.
Sale

Astra Black Onyx Engagement Ring in Sterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

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

Iris Blue Sapphire Ring in Sterling Silver

Regular price $160 $135 (-16%)

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Celtic Knot Alexandrite Ring Set in Black Ruthenium by Aquamarise, featuring a pear-shaped alexandrite with intricate knotwork and diamond accents on a black ruthenium band.

Celtic Knot Alexandrite Ring Set in Black Ruthenium

$155

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Radiant Cut Alexandrite Engagement Ring in Black Ruthenium by Aquamarise, featuring a vintage-inspired band with intricate scrollwork and a radiant-cut purple-hued alexandrite centerpiece.
Sale

Radiant Cut Alexandrite Engagement Ring in Black Ruthenium

Regular price $185 $155 (-16%)

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per 

Ring with a green gemstone and opal accents on a white surface with a blurred background
Sale

Oval Moss Agate Ring with Opal in Sterling Silver

Regular price $160 $135 (-16%)

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per 

Nesta Alexandrite & Paula Shell Couples Ring Set featuring a vibrant oval alexandrite center set in sterling silver with intricate milgrain detailing and sparkling white diamond accents, part of Aquamarise’s Matching Couples' Rings and June Birthstone Jewelry collections.
Sale

Nesta Vintage Alexandrite Ring in Sterling Silver

Regular price $220 $185 (-16%)

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Art Deco Natural London Blue Topaz Engagement Ring in Sterling Silver by Aquamarise, featuring an emerald-cut deep blue topaz center stone flanked by tapered baguette clear gemstones on a polished sterling silver band, perfect for Sterling Silver Rings, November Birthstone, Engagement Rings for Women, and Birthstone Jewelry collections.
Sale

Art Deco Natural London Blue Topaz Engagement Ring in Sterling Silver

Regular price $160 $135 (-16%)

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Skye Kite® Green Moss Agate Engagement Ring Set in 14K White Gold by Aquamarise Gold featuring a kite-cut moss agate center with diamond accents on a white gold band.
Esme Opalescent Blue Sapphire Mermaid Ring in 925 Sterling Silver featuring a marquise blue sapphire with opalescent side stones and diamond accents on an intricately detailed silver band.
Sale

Esme Opalescent Blue Sapphire Mermaid Ring in 925 Sterling Silver

Regular price $160 $135 (-16%)

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per 

Emerald Cut Red Garnet Engagement Ring in 14K Solid Rose Gold (Hidden Halo) by Aquamarise Gold, featuring a vibrant garnet with diamond accents in a romantic, solid gold design.
Sale

Natural Red Garnet Engagement Ring in 14K Rose Gold Vermeil

Regular price $170 $145 (-15%)

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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.
Sale

Toi Et Moi Rutilated Quartz & Black Onyx Ring in Sterling Silver

Regular price $160 $135 (-16%)

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per 

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

Kite Green Moss Agate Ring Set in 14K Rose Gold Vermeil (3-piece)

Regular price $200 $170 (-15%)

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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.
Sale

Petite Aquamarine & Moonstone Ring in Sterling Silver

Regular price $160 $135 (-16%)

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Rutilated Quartz & Black Onyx Ring in Sterling Silver by Aquamarise, featuring a pear-shaped rutilated quartz, black onyx, and a small diamond accent on a sleek sterling silver band.
Sale

Rutilated Quartz & Black Onyx Ring in Sterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

Rutilated Quartz Ring in 14K Rose Gold Vermeil by Aquamarise featuring a pear-shaped rutilated quartz with sparkling pavé accents on a delicate rose gold vermeil band.
Sale

Rutilated Quartz Ring in 14K Rose Gold Vermeil

Regular price $175 $150 (-14%)

Unit price
per 

Oval Solitaire Morganite Engagement Ring in 14K Rose Gold Vermeil by Aquamarise, featuring a 2-carat peachy-pink simulated morganite set in a minimalist polished rose gold band.
Sale

Oval Solitaire Morganite Engagement Ring in 14K Rose Gold Vermeil

Regular price $175 $150 (-14%)

Unit price
per 

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Ethically Crafted

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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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