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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.

Hexagon Coffin Rutilated Quartz Geometric Engagement Ring Set in 14K White Gold by Aquamarise Gold featuring a unique rutilated quartz centerpiece with diamond accents on white gold bands.
Sale

Hexagon Coffin Rutilated Quartz Engagement Ring Set in Sterling Silver

Regular price $175 $150 (-14%)

Unit price
per 

Natural Herkimer Diamond Hexagon Ring Set in Sterling Silver by Aquamarise, featuring a raw hexagon herkimer diamond with salt and pepper inclusions and sparkling accents in sterling silver.
Sale

Natural Herkimer Diamond Hexagon Ring Set in Sterling Silver

Regular price $175 $150 (-14%)

Unit price
per 

Green Moss Agate & Natural Australian Fire Opal Ring in Sterling Silver by Aquamarise featuring pear-shaped green moss agate, natural Australian white fire opal, and CZ accent on delicate band.
Sale

Green Moss Agate & Natural Australian Fire Opal Ring in Sterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

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

Vintage Morganite Ring in 14K Rose Gold Vermeil

Regular price $175 $150 (-14%)

Unit price
per 

Eva Lab-Grown Alexandrite Flower Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold, featuring an oval lab-grown alexandrite center with marquise accents in a floral-inspired design.
Sale

Eva Flower Alexandrite Engagement Ring in 14K Rose Gold Vermeil

Regular price $170 $145 (-15%)

Unit price
per 

Victoria Natural Australian Opal Art Deco Engagement Ring in 14K White Gold by Aquamarise Gold, featuring an oval opal surrounded by tapered and round moissanite accents in a vintage-inspired design.
Sale

Victoria Natural Australian Opal Engagement Ring in Sterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

Teardrop Tanzanite Engagement Ring Set in 14K White Gold by Aquamarise Gold featuring a pear-shaped vibrant tanzanite surrounded by intricate diamond accents in a white gold setting.
Sale

Teardrop Tanzanite Engagement Ring Set in Sterling Silver

Regular price $175 $150 (-14%)

Unit price
per 

Sophia Twisted Vine Light Green Sapphire Engagement Ring in 14K White Gold by Aquamarise Gold, featuring a round light green sapphire center with twisted vine-inspired pavé diamond accents.
Sale

Sophia Light Green Sapphire Ring in Sterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

Princess Cut Simulated Diamond Engagement Ring in Sterling Silver by Aquamarise, featuring a sparkling princess cut center stone with pavé accents on a rhodium-finished sterling silver band.
Sale

Princess Cut Simulated Diamond Engagement Ring in Sterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

Gray Moissanite Crescent Moon Couples Ring Set by Aquamarise featuring a marquise-cut gray moissanite center stone accented by crescent moon motifs and small diamonds on polished silver bands, from Matching Couples' Rings and Moissanite Gemstone Jewelry collections.
Sale

Gray Moissanite Crescent Moon Engagement Ring Set in Sterling Silver

Regular price $225 $190 (-16%)

Unit price
per 

Fireworks Cut Padparadscha Sapphire Engagement Ring Set in 14K White Gold by Aquamarise Gold featuring a pear-shaped fiery padparadscha sapphire centerpiece with detailed leaf-inspired white gold band and diamond accents, part of Solid Gold Engagement Rings and September Birthstone Jewelry collections.
Sale

Fireworks Cut Padparadscha Sapphire Engagement Ring Set in Sterling Silver

Regular price $185 $155 (-16%)

Unit price
per 

Elain Swiss Blue Topaz Leaf Engagement Ring in 14K White Gold by Aquamarise Gold, featuring a marquise-cut Swiss Blue Topaz center stone with sparkling diamond accents and intricate leaf-inspired details, part of Solid Gold Engagement Rings and November Birthstone collections.
Sale

Elain Swiss Blue Topaz Fairy Leaf Ring in Sterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

Lunar Starlight Sandstone Ring Set (Starry Night) in 14K White Gold featuring a marquise-cut blue sandstone with sparkling gold flecks, accented by vibrant blue gemstones on elegant white gold bands by Aquamarise Gold.
Sale

Starry Night and Sapphire Ring Set in Sterling Silver

Regular price $175 $150 (-14%)

Unit price
per 

Princess Cut Green Moss Agate Ring in Sterling Silver by Aquamarise, featuring a square moss agate centerpiece with delicate silver accents on a slender band against a soft purple background.
Sale

Princess Cut Green Moss Agate Ring in Sterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

Hexagon Moss Agate & Whiskey Barrel Couples Rings Set featuring a rose gold hexagon moss agate ring with leaf details and complementary bands by Aquamarise in matching couples' rings collection.
Sale

Hexagon Moss Agate Leaf Engagement Ring Set in 14K Rose Gold Vermeil

Regular price $195 $165 (-15%)

Unit price
per 

Vintage Australian Opal Ring in 14K Solid Rose Gold by Aquamarise Gold, featuring a luminous opal center with diamond accents and an intricate vintage-inspired band design.
Sale

Natural Australian Opal Ring in 14K Rose Gold Vermeil

Regular price $175 $150 (-14%)

Unit price
per 

Evelyn Pear Red Garnet Engagement Ring Set in 14K Solid Rose Gold with a pear-shaped red garnet center and marquise and round white gemstones in an Aquamarise Gold design.
Sale

Evelyn Natural Pear Garnet Ring Set in 14K Rose Gold Vermeil

Regular price $200 $170 (-15%)

Unit price
per 

Marquise Cut White Sapphire Engagement Ring Set in Sterling Silver by Aquamarise featuring a radiant marquise sapphire surrounded by sparkling accents from the Sterling Silver Rings and September Birthstone Jewelry collections.
Sale

Marquise Cut White Sapphire Engagement Ring Set in Sterling Silver

Regular price $175 $150 (-14%)

Unit price
per 

Marquise Cut Blue Sapphire Bridal Ring Set in Sterling Silver by Aquamarise featuring a deep blue marquise sapphire surrounded by sparkling round accents on a sterling silver band.
Sale

Marquise Cut Blue Sapphire Bridal Ring Set in Sterling Silver

Regular price $175 $150 (-14%)

Unit price
per 

Everly White Fire Opal Ring in Sterling Silver by Aquamarise featuring an oval white fire opal with sparkling diamond accents on a sleek sterling silver band.
Sale

Everly White Fire Opal Ring in Sterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

Skylar Kite Cut Black Onyx Engagement Ring Set in Sterling Silver by Aquamarise featuring a kite-shaped black onyx center stone with sparkling accent diamonds in a vintage-inspired design.
Sale

Skylar Kite Cut Black Onyx Engagement Ring Set in Sterling Silver

Regular price $175 $150 (-14%)

Unit price
per 

Ava Emerald Cut Aquamarine Engagement Ring in Sterling Silver by Aquamarise featuring a radiant emerald-cut aquamarine center with diamond accents on a sleek sterling silver band.
Sale

Ava Emerald Cut Aquamarine Engagement Ring in Sterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

Sophia Twisted Vine Alexandrite Engagement Ring in 14K White Gold by Aquamarise Gold showcases a princess-cut alexandrite center stone with a twisted white gold band accented by sparkling diamonds, part of Solid Gold Engagement Rings, June Birthstone Jewelry, and Nature-Inspired collections.
Sale

Sophia Twisted Vine Alexandrite Ring in Sterling Silver

Regular price $170 $145 (-15%)

Unit price
per 

A two-piece Celtic ring set with a star-cut ruby center stone and accent stones, crafted in 14K white gold, displayed against a purple and gray background.
Sale

Celtic Fireworks Cut Ruby Ring Set in Sterling Silver

Regular price $170 $145 (-15%)

Unit price
per 

Starry Night engagement ring set in sterling silver
Sale

Starry Night Engagement Ring Set in Sterling Silver

Regular price $175 $150 (-14%)

Unit price
per 

Pink Fire Opal & Sapphire Celtic Knot Ring in 14K Rose Gold Vermeil by Aquamarise, featuring a marquise pink fire opal center with sapphire accents and intricate rose gold knot design.
Sale

Pink Fire Opal & Sapphire Celtic Knot Ring in 14K Rose Gold Vermeil

Regular price $175 $150 (-14%)

Unit price
per 

Crescent Moon Ruby Engagement Ring Set in 14K Solid Yellow Gold featuring a vibrant marquise-cut ruby center stone flanked by delicate crescent moon accents and sparkling round diamonds, designed by Aquamarise Gold.
Sale

Crescent Moon Ruby Ring Set in 14K Yellow Gold Vermeil

Regular price $185 $155 (-16%)

Unit price
per 

Toi Et Moi Peridot and Emerald Engagement Ring in 14K White Gold by Aquamarise Gold featuring pear-cut vibrant green emerald and bright peridot stones in a delicate white gold band.
Sale

Toi Et Moi Peridot and Emerald Engagement Ring in Sterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

Natural Herkimer Diamond Leaf Engagement Ring in Sterling Silver by Aquamarise, featuring an oval raw diamond with organic inclusions on a nature-inspired silver leaf band.
Sale

Natural Herkimer Diamond Leaf Engagement Ring in Sterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

Green Moss Agate Twig Ring in 14K Rose Gold Vermeil featuring a pear-shaped moss agate stone with deep green veins and delicate twig-inspired band accented with sparkling stones.
Sale

Green Moss Agate Twig Ring in 14K Rose Gold Vermeil

Regular price $175 $150 (-14%)

Unit price
per 

Natural Freshwater Pearl Ring Set in 14K Rose Gold Vermeil by Aquamarise featuring a luminous pearl centerpiece with sparkling accents on a vintage-inspired rose gold vermeil band.
Sale

Natural Freshwater Pearl Ring Set in 14K Rose Gold Vermeil

Regular price $195 $165 (-15%)

Unit price
per 

Snowflake Round Cut Lab-Grown Alexandrite Ring in 14K Rose Gold Vermeil by Aquamarise, featuring a vibrant round lab-grown alexandrite with dazzling diamond accents in rose gold vermeil.
Sale

Snowflake Round Cut Lab-Grown Alexandrite Ring in 14K Rose Gold Vermeil

Regular price $175 $150 (-14%)

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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