Your cart

Your cart is empty

Gradient background transitioning from purple to pink

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.

Iris Oval Morganite Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold, featuring a peachy pink morganite center with a sparkling moissanite halo on a pavé-set band.
Sale

Iris Oval Morganite Ring in 14K Rose Gold Vermeil

Regular price $175 $150 (-14%)

Unit price
per 

Skylar Kite Cut Alexandrite Engagement Ring Set in 14K Solid Rose Gold by Aquamarise Gold, featuring a color-shifting kite cut gemstone with sparkling diamond accents in a rose gold setting.
Sale

Skylar Kite Cut Alexandrite Engagement Ring Set in 14K Rose Gold Vermeil

Regular price $195 $165 (-15%)

Unit price
per 

Aster Round Cut Citrine Ring in 14K Rose Gold Vermeil by Aquamarise, featuring a round citrine center with a snowflake halo of simulated diamonds on a pavé rose gold vermeil band.
Sale

Aster Round Cut Citrine Ring in 14K Rose Gold Vermeil

Regular price $175 $150 (-14%)

Unit price
per 

Lunette Black Onyx Engagement Ring Set in 14K White Gold by Aquamarise Gold featuring a teardrop black onyx center surrounded by sparkling diamonds on a sleek white gold band.
Sale

Lunette Black Onyx Ring Set in Sterling Silver

Regular price $175 $150 (-14%)

Unit price
per 

A vintage-inspired 14K yellow gold vermeil ring with a central green emerald simulated stone and accent stones arranged in a geometric pattern on a smooth band.
Sale

Victoria Emerald Ring in 14K Yellow Gold Vermeil

Regular price $175 $150 (-14%)

Unit price
per 

Celtic Knot Mystic Topaz Ring | Gothic Alternative Engagement Ring
Sale

Celtic Knot Mystic Topaz Ring Set in Black Ruthenium

Regular price $185 $155 (-16%)

Unit price
per 

Elowen Kite Cut Aquamarine Engagement Ring Set in Sterling Silver
Sale

Elowen Kite Cut Aquamarine Engagement Ring Set in Sterling Silver

Regular price $175 $150 (-14%)

Unit price
per 

Blue Sapphire & Fantasy Shield Cut Diamond Couples Ring Set by Aquamarise featuring a yellow gold band with marquise sapphires and a shield-cut cz diamond in an intricate fantasy-inspired design.
Sale

Leaf Shield Cut Diamond Blue Sapphire Engagement Ring Set in 14K Yellow Gold Vermeil

Regular price $185 $155 (-16%)

Unit price
per 

Teal Sapphire Crescent Moon Ring Set in 14K White Gold featuring a marquise-cut teal sapphire center flanked by crescent moon and small round teal sapphires, crafted by Aquamarise Gold from nature-inspired and fantasy engagement collections.
Sale

Teal Sapphire Moon Ring Set in Sterling Silver

Regular price $175 $150 (-14%)

Unit price
per 

Blue Fire Opal Engagement Ring- 14K Solid Yellow Gold featuring a teardrop opal center with halo and pear-shaped opal accents in delicate yellow gold by Aquamarise Gold.
Sale

Blue Fire Opal Engagement Ring in 14K Yellow Gold Vermeil

Regular price $170 $145 (-15%)

Unit price
per 

Hexagon Sapphire Blue Opal Engagement Ring in Sterling Silver by Aquamarise, featuring a deep blue hexagon sapphire with vibrant blue opal accents and sparkling white stones on a sleek silver band.
Sale

Hexagon Sapphire Blue Opal Engagement Ring in Sterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

Skye Kite® Natural Sunstone Ring Set in Sterling Silver by Aquamarise, featuring a radiant kite-cut sunstone with sparkling accent stones in a modern, fantasy-inspired design.
Sale

Skye Kite® Natural Sunstone Ring Set in Sterling Silver

Regular price $170 $145 (-15%)

Unit price
per 

Oval Cut Blush Pink Morganite Ring in Sterling Silver by Aquamarise featuring a vintage-inspired oval peachy-pink morganite with delicate leaf and diamond accents in a sterling silver band.
Sale

Oval Cut Blush Pink Morganite Ring in Sterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

Sonnet Hexagon Cut Alexandrite Engagement Ring in 14K White Gold by Aquamarise Gold, featuring a striking hexagon-cut alexandrite with sparkling diamond accents in a modern elegant design.
Sale

Sonnet Hexagon Alexandrite Engagement Ring in Sterling Silver

Regular price $170 $145 (-15%)

Unit price
per 

Cushion Cut Aquamarine Ring in Sterling Silver (Hidden Halo) by Aquamarise, featuring a sparkling aquamarine center with CZ accents on a delicate sterling silver band.
Sale

Cushion Cut Aquamarine Ring in Sterling Silver (Hidden Halo)

Regular price $160 $135 (-16%)

Unit price
per 

Adeline Marquise Cut Alexandrite Ring in Sterling Silver by Aquamarise featuring a marquise color-changing alexandrite center with diamond accents, part of Sterling Silver Rings and June Birthstone Jewelry collections.
Sale

Adeline Marquise Cut Alexandrite Ring in Sterling Silver

Regular price $170 $145 (-15%)

Unit price
per 

Flair Teardrop Lab-Grown Diamond Engagement Ring in 14K White Gold (IGI Certified) by Aquamarise Gold featuring a pear-shaped diamond with intricate pavé diamond accents on a twisted white gold band.
Sale

Flair Teardrop Simulated Diamond Engagement Ring in Sterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

Ellie Princess Cut Amethyst Engagement Ring in 14K White Gold by Aquamarise Gold, featuring a vibrant purple princess cut amethyst with diamond accents on a polished white gold band.
Sale

Ellie Natural Amethyst Engagement Ring in Sterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

Adeline Marquise Cut Flower Blue Sapphire Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold, featuring marquise blue sapphire with floral diamond accents on a rose gold band.
Sale

Adeline Marquise Cut Blue Sapphire Flower Ring in 14K Rose Gold Vermeil

Regular price $170 $145 (-15%)

Unit price
per 

Starburst Natural Moonstone Engagement Ring in 14K White Gold by Aquamarise Gold featuring an oval moonstone surrounded by marquise and round diamonds on a polished white gold band.
Sale

Starburst Natural Moonstone Ring in Sterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

Rainbow Moissanite Crescent Moon Engagement Ring Set in Sterling Silver by Aquamarise Gold, featuring a marquise-cut rainbow moissanite center stone with pastel violet, blue, and gold flashes, set in polished sterling silver, part of Sterling Silver Rings and Moissanite Engagement Rings collections.
Sale

Rainbow Moissanite Crescent Moon Engagement Ring Set in Sterling Silver

Regular price $225 $190 (-16%)

Unit price
per 

Esme Alexandrite & Black Onyx Engagement Ring in 14K Rose Gold Vermeil by Aquamarise featuring a central color-changing alexandrite gemstone flanked by black onyx accents on an intricately designed rose gold vermeil band, part of Rose Gold Vermeil Rings, June Birthstone Jewelry, and Fantasy-Inspired Engagement Rings collections.
Sale

Esme Alexandrite & Black Onyx Engagement Ring in 14K Rose Gold Vermeil

Regular price $175 $150 (-14%)

Unit price
per 

A sterling silver ring featuring a kite-cut Herkimer diamond with salt and pepper inclusions, accompanied by smaller clear stones on the band.
Sale

Galaxy Raw Salt & Pepper (Herkimer Diamond) Leaf Ring in Sterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

Natural Red Garnet Marquise Cut Engagement Ring Set in 14K White Gold featuring a vivid marquise-cut red garnet centerpiece with a delicate white gold band adorned with sparkling diamonds, crafted by Aquamarise Gold.
Sale

Natural Marquise Cut Red Garnet Ring Set in Sterling Silver

Regular price $175 $150 (-14%)

Unit price
per 

Garnet & Red Fire Opal Whiskey Barrel Couples Ring Set by Aquamarise featuring a striking kite-cut garnet with marquise and round diamond accents in a rose gold setting.
Sale

Kite Cut Natural Red Garnet Engagement Ring Set in 14K Rose Gold Vermeil

Regular price $200 $170 (-15%)

Unit price
per 

Vintage Green Moss Agate Engagement Ring in 14K Rose Gold Vermeil by Aquamarise, featuring an intricate floral-inspired band with small accent stones and a round moss agate centerpiece.
Sale

Vintage Green Moss Agate Engagement Ring in 14K Rose Gold Vermeil

Regular price $175 $150 (-14%)

Unit price
per 

Nouveau Diamond (cz) Engagement Ring Set- 14K Rose Gold Vermeil featuring a pear-shaped center stone, pavé diamonds, and a twisted vine band by Aquamarise, elegant rose gold vermeil rings.
Sale

Nouveau Simulated Diamond Engagement Ring Set in 14K Rose Gold Vermeil

Regular price $190 $160 (-16%)

Unit price
per 

Ava Emerald Cut Mint Green Sapphire Ring in Sterling Silver by Aquamarise featuring a radiant emerald-cut teal sapphire with diamond accents on a polished silver band.
Sale

Ava Emerald Cut Mint Green Sapphire Engagement Ring in Sterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

Hexagon Cut Alexandrite Engagement Ring in 14K White Gold by Aquamarise Gold featuring a vibrant hexagonal alexandrite flanked by elegant white diamond accents on a polished band.
Sale

Hexagon Cut Lab-Grown Alexandrite Ring in Sterling Silver

Regular price $170 $145 (-15%)

Unit price
per 

Natural Citrine Engagement Ring in 14K White Gold by Aquamarise Gold, featuring an oval golden citrine center with vintage-inspired detailing and moissanite accents on a delicate white gold band.
Sale

Vintage Citrine Ring in Sterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

Belle Cushion Cut Alexandrite Ring in Sterling Silver by Aquamarise featuring a lab-created color-shifting alexandrite center stone with diamond accents on a 925 sterling silver band.
Sale

Belle Cushion Cut Alexandrite Ring in Sterling Silver

Regular price $170 $145 (-15%)

Unit price
per 

Fireworks Cut Pink Sapphire Leaf Engagement Ring in 14K White Gold by Aquamarise Gold, featuring an oval lab-grown pink sapphire with intricate leaf-inspired white gold detailing and sparkling diamond accents, part of Solid Gold Engagement Rings and Nature-Inspired Engagement Rings collections.
Sale

Fireworks Cut Lab-Grown Pink Sapphire Leaf Engagement Ring Set in Sterling Silver

Regular price $175 $150 (-14%)

Unit price
per 

Free U.S. Shipping

Ships from USA

Hassle-Free Returns

and Exchanges

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.

From the Blog

Fairy Engagement Rings: A Complete Guide to Fae, Woodland & Elvish Designs

Fairy Engagement Rings: A Complete Guide to Fae, Woodland & Elvish Designs

Fairy engagement rings are not a trend - they are a specific aesthetic vocabulary. This is the complete guide to fae, woodland, elvish and enchanted-forest designs, written for couples who...

Read more
Moss Agate Engagement Rings Guide

Moss Agate Engagement Rings Guide

Why couples are choosing moss agate engagement rings over diamonds in 2026, what daily wear actually looks like, real pricing data, and how to pick the right stone — written...

Read more
What Is a Salt and Pepper Diamond? Complete Guide

What Is a Salt and Pepper Diamond? Complete Guide

Real natural diamonds with visible black and white inclusions — and 70-85% cheaper than colorless. The complete expert guide to what salt and pepper diamonds are, what causes the inclusions,...

Read more
Green Engagement Rings: The Complete Guide to Every Green Gemstone

Green Engagement Rings: The Complete Guide to Every Green Gemstone

Do green engagement rings hold up to daily wear? Yes — but the right green stone depends entirely on your lifestyle and setting choice. The complete breakdown of every green...

Read more