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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.

Aria Teardrop Alexandrite Stacking Ring Set in Sterling Silver
Sale

Aria Teardrop Alexandrite Stacking Ring Set in Sterling Silver

Regular price $195 $165 (-15%)

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per 

Oval Cut Simulated Gray Diamond Ring in Sterling Silver by Aquamarise featuring an elegant oval gray simulated diamond center with pear-shaped side stones in a modern, refined setting.
Sale

Oval Cut Simulated Gray Diamond Ring in Sterling Silver

Regular price $160 $135 (-16%)

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per 

Ava Emerald Cut White Sapphire Engagement Ring in Sterling Silver by Aquamarise featuring an emerald-cut white sapphire center with pavé accents on a polished sterling silver band.
Sale

Ava Emerald Cut White Sapphire Engagement Ring in Sterling Silver

Regular price $160 $135 (-16%)

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per 

Evelyn Natural London Blue Topaz Ring Set in Sterling Silver by Aquamarise featuring an oval London Blue Topaz with marquise and round white diamond accents on a polished sterling silver band.
Sale

Evelyn Natural London Blue Topaz Ring Set in Sterling Silver

Regular price $175 $150 (-14%)

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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 Vintage Alexandrite Ring in Sterling Silver

Regular price $170 $145 (-15%)

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per 

An oval red garnet engagement ring with a halo of white gold and accent stones set on a textured metal band.
Sale

Iris Natural Garnet Ring in Sterling Silver

Regular price $160 $135 (-16%)

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per 

Aurora Natural London Blue Topaz Ring- Sterling Silver by Aquamarise, featuring a natural oval London blue topaz surrounded by marquise and round white stones in sterling silver.
Sale

Aurora Natural London Blue Topaz Ring in Sterling Silver

Regular price $160 $135 (-16%)

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per 

Bella Natural Oval Citrine Ring Set in Sterling Silver by Aquamarise featuring a vibrant oval citrine center with sparkling accent stones in a modern, elegant sterling silver design.
Sale

Bella Natural Oval Citrine Ring Set in Sterling Silver

Regular price $175 $150 (-14%)

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per 

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

Adeline Marquise Emerald Ring in 14K Rose Gold Vermeil

Regular price $170 $145 (-15%)

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per 

Jasmine Natural Morganite Ring Set in 14K Solid Rose Gold featuring a round peachy-pink morganite center with scalloped pavé moissanite halo on polished rose gold bands by Aquamarise Gold.
Sale

Jasmine Morganite Engagement Ring Set in 14K Rose Gold Vermeil

Regular price $195 $165 (-15%)

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Silver ring with purple gemstones on a light purple background
Sale

Oval Moissanite & Amethyst Leaf Engagement Ring in Sterling Silver

Regular price $255 $215 (-16%)

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per 

Moss Agate, Peacock Opal & Whiskey Barrel Wood Couples Ring Set featuring a marquise moss agate centerpiece with delicate green accents on a rose gold band, crafted by Aquamarise in a nature-inspired, matching design.
Sale

Rowan Marquise Moss Agate Leaf Engagement Ring in 14K Rose Gold Vermeil

Regular price $175 $150 (-14%)

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Art Deco Emerald Cut Aquamarine Engagement Ring in Sterling Silver featuring a radiant emerald-cut aquamarine center stone flanked by tapered clear gemstones on a polished sterling silver band by Aquamarise, perfect for Sterling Silver Rings, March Birthstone Jewelry, Engagement Rings for Women, and Meaningful Jewelry Gifts collections.
Sale

Art Deco Emerald Cut Aquamarine Engagement Ring in Sterling Silver

Regular price $160 $135 (-16%)

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per 

Oval Cut Alexandrite Engagement Ring in Sterling Silver by Aquamarise, featuring a color-shifting teal to violet oval alexandrite center stone, accented with pear-shaped clear gemstones on a polished sterling silver band, perfect for Sterling Silver Rings, June Birthstone Jewelry, Engagement Rings for Women, and Unique Engagement Rings collections.
Sale

Oval Cut Alexandrite Engagement Ring in Sterling Silver

Regular price $170 $145 (-15%)

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per 

Fireworks Cut Natural Red Garnet Leaf Engagement Ring in 14K White Gold showcasing a fiery oval red garnet centerpiece surrounded by delicate leaf and vine motifs accented with smaller garnets and sparkling diamonds from Aquamarise Gold.
Vintage Tanzanite Ring Set in 14K White Gold featuring a pear-shaped deep purple tanzanite center stone accented by a delicate white gold band with diamond details, crafted by Aquamarise Gold from the December Birthstone and Solid Gold Engagement Rings collections.
Sale

Vintage Tanzanite Ring Set in Sterling Silver

Regular price $175 $150 (-14%)

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per 

Evelyn Starry Night Engagement Ring Set in 14K White Gold by Aquamarise Gold, featuring a pear-shaped deep blue gemstone and sparkling white diamond accents in a celestial-inspired design.

Evelyn Starry Night Engagement Ring Set in 14K White Gold

from $2,195

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per 

Starry Night Engagement Ring Set in 14K Solid Yellow Gold by Aquamarise Gold, featuring a pear-shaped deep blue gemstone with sparkling white diamond accents on polished yellow gold bands.

Starry Night Engagement Ring Set in 14K Solid Yellow Gold

from $2,025

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per 

Emerie Moss Agate & Opalescent Sapphire Engagement Ring Set in 14K Solid Rose Gold featuring a marquise moss agate center flanked by opalescent sapphires and sparkling diamonds, crafted by Aquamarise Gold from nature-inspired and birthstone collections.
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Emerie Marquise Cut Moss Agate & Opalescent Sapphire Ring Set in 14K Rose Gold Vermeil

Regular price $185 $155 (-16%)

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per 

Skye Kite® Lab-Grown Emerald Engagement Ring Set in 14K Solid Rose Gold by Aquamarise Gold, featuring a striking kite-cut emerald surrounded by smaller emeralds and diamonds in rose gold.
Moss Agate & Opalescent Sapphire Engagement Ring in 14K White Gold
Red Fire Opal & Black Onyx Ring in 14K Rose Gold Vermeil
Sale

Red Fire Opal & Black Onyx Ring in 14K Rose Gold Vermeil

Regular price $175 $150 (-14%)

Unit price
per 

Skye Kite® Morganite Engagement Ring Set in 14K Solid Rose Gold by Aquamarise Gold, featuring a kite-cut morganite with marquise and round diamond accents on a rose gold band.

Skye Kite® Morganite Ring Set in 14K Solid Rose Gold

from $2,395

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 Lab-Grown Ruby Ring in 14K Yellow Gold Vermeil

Regular price $175 $150 (-14%)

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per 

Minimalist Kite Cut Green Moss Agate Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold, featuring a delicate kite-shaped moss agate set on a sleek rose gold band.
Sale

Minimalist Kite Cut Green Moss Agate Ring in 14K Rose Gold Vermeil

Regular price $175 $150 (-14%)

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per 

Kite Green Moss Agate Bezel Engagement Ring Set in 14K Solid Rose Gold by Aquamarise Gold, featuring kite-shaped moss agate and sparkling diamonds in an elegant vintage-inspired design.
Sale

Kite Green Moss Agate Bezel Ring Set in 14K Rose Gold Vermeil

Regular price $185 $155 (-16%)

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per 

Vintage Ruby Ring in 14K Rose Gold Vermeil by Aquamarise, featuring a deep red ruby in an intricate rose gold setting with a twisted band from the Rose Gold Vermeil Rings collection.
Sale

Dainty Vintage Ruby Engagement Ring in 14K Rose Gold Vermeil

Regular price $170 $145 (-15%)

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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 Sterling Silver

Regular price $160 $135 (-16%)

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per 

Alexandrite Halo Ring in Sterling Silver
Sale

Alexandrite Halo Ring in Sterling Silver

Regular price $170 $145 (-15%)

Unit price
per 

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 Ruby Engagement Ring in Sterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

Iris Oval Aquamarine Engagement Ring in 14K White Gold by Aquamarise Gold, featuring a luminous oval aquamarine center with a sparkling diamond halo and pavé band setting.
Sale

Iris Halo Oval Aquamarine Ring in Sterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

Art Deco Aquamarine Engagement Ring in Sterling Silver
Sale

Art Deco Aquamarine Engagement Ring in Sterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

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Ships from USA

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Ethically Crafted

Sustainably Sourced Materials

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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