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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.

Natural Herkimer Diamond Engagement Ring in 14K White Gold by Aquamarise Gold, featuring a hexagon-cut natural Herkimer diamond center stone flanked by triangular sparkling side stones set on a delicate diamond-accented band, part of Solid Gold Engagement Rings and Nature-Inspired Engagement Rings collections.
Sale

Hexagon Natural Herkimer Diamond Ring in Sterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

Art Deco Emerald Cut White Sapphire Engagement Ring in Sterling Silver by Aquamarise featuring a radiant emerald-cut white sapphire center stone with tapered baguette accents on a polished sterling silver band, part of Sterling Silver Rings, September Birthstone Jewelry, Engagement Rings for Women, and New Arrivals collections.
Sale

Art Deco Emerald Cut White Sapphire Engagement Ring in Sterling Silver

Regular price $160 $135 (-16%)

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per 

Teardrop Pink Sapphire Ring in Sterling Silver by Aquamarise featuring a vintage-inspired pear-shaped pink sapphire center surrounded by a halo of sparkling stones on a polished silver band, part of Sterling Silver Rings and September Birthstone Jewelry collections.
Sale

Teardrop Pink Sapphire Ring in Sterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

Sophia Fireworks Cut Emerald Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold features a vibrant fireworks-cut emerald centerpiece with a twisted band accented by sparkling diamonds, part of Solid Gold Engagement Rings and May Birthstone Jewelry collections.
Sale

Sophia Fireworks Cut Emerald Ring in 14K Rose Gold Vermeil

Regular price $175 $150 (-14%)

Unit price
per 

Toi Et Moi Alexandrite & Moissanite Engagement Ring in 14K White Gold by Aquamarise Gold showcases a stunning pair of pear-shaped lab-grown alexandrite and emerald-cut moissanite stones on a sleek white gold band, part of Solid Gold Engagement Rings and June Birthstone Jewelry collections.
Sale

Toi Et Moi Alexandrite and Diamond Engagement Ring in 925 Sterling Silver

Regular price $170 $145 (-15%)

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per 

A two-piece ring set with a teardrop-shaped alexandrite centerpiece in 14K white gold, accompanied by a band with intricate leaf detailing. The ring is displayed against a gradient purple background.

Faye Alexandrite Engagement Ring Set in 14K White Gold

from $2,135

Unit price
per 

Starry Night & Opal Leaf Ring in Sterling Silver
Teardrop Aquamarine Engagement Ring Set in 14K White Gold featuring a pear-shaped aquamarine center stone with sparkling diamond accents on a white gold band, part of Aquamarise Gold’s March Birthstone Jewelry and Solid Gold Engagement Rings collections.
Sale

Teardrop Aquamarine Engagement Ring Set in Sterling Silver

Regular price $175 $150 (-14%)

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per 

Moss Agate & Emerald Fairy Leaf Couples Ring Set by Aquamarise featuring a nature-inspired sterling silver band with a moss agate center stone, accented with emerald and sparkling clear gemstones, part of Matching Couples’ Rings and May Birthstone Jewelry collections.
Skye Kite® Natural Herkimer Diamond Engagement Ring Set in 14K Solid Rose Gold by Aquamarise Gold featuring a kite-cut Herkimer diamond with pear and round accent stones in rose gold.
Skye Kite® Alexandrite Engagement Ring Set in 14K White Gold by Aquamarise Gold featuring a kite-shaped alexandrite with diamond accents in a modern, fantasy-inspired design.

Skye Kite® Alexandrite Engagement Ring Set in 14K White Gold

from $2,195

Unit price
per 

Skye Kite® Starry Night Engagement Ring Set in 14K White Gold by Aquamarise Gold, featuring a deep blue kite-cut stone with sparkling diamond accents from the Starry Night™ Rings collection.

Skye Kite® Starry Night Engagement Ring Set in 14K White Gold

from $2,195

Unit price
per 

Sophia Twisted Vine Alexandrite Engagement Ring in 14K White Gold by Aquamarise Gold, featuring a cushion cut alexandrite with an intertwined band accented by sparkling diamonds.
Borealis & Tanzanite Couples Ring Set- Northern Lights & Trees featuring a kite-cut tanzanite surrounded by diamonds in sterling silver, crafted by Aquamarise for matching couples' rings.
Sale

Kite Cut Geometric Tanzanite Ring Set in Sterling Silver

Regular price $175 $150 (-14%)

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per 

Galaxy Raw Salt & Pepper (Herkimer Diamond) Ring Set in 14K Rose Gold Vermeil by Aquamarise, featuring a hexagon-shaped salt and pepper diamond with diamond accents on rose gold bands.
Sale

Galaxy Raw Salt & Pepper (Herkimer Diamond) Ring Set in 14K Rose Gold Vermeil

Regular price $195 $165 (-15%)

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per 

Cordelia Green Moss Agate Vintage Engagement Ring in 14K White Gold by Aquamarise Gold, featuring oval moss agate with natural green inclusions and diamond accents on a twisted white gold band.
Sale

Cordelia Green Moss Agate Engagement Ring in Sterling Silver

Regular price $160 $135 (-16%)

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per 

Ring with a green gemstone and rose gold band on a white background
Sale

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 Leaf Engagement Ring Set in 14K Solid Rose Gold showcasing a kite-cut moss agate center with leaf and diamond accents on a polished solid rose gold band.
Sale

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

Regular price $185 $155 (-16%)

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per 

Vintage Alexandrite Ring in 14K Rose Gold Vermeil by Aquamarise, featuring a radiant purple color-changing stone with a twisted rose gold vermeil band on a soft blurred purple background.
Sale

Vintage Alexandrite Ring in 14K Rose Gold Vermeil

Regular price $175 $150 (-14%)

Unit price
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 Onyx Engagement Ring in Sterling Silver

Regular price $160 $135 (-16%)

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Victoria Art Deco Alexandrite Engagement Ring in 14K White Gold by Aquamarise Gold featuring an oval alexandrite framed by radiant moissanite accents in a vintage-inspired design.
Sale

Victoria Art Deco Alexandrite Engagement Ring in Sterling Silver

Regular price $170 $145 (-15%)

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per 

Ring with a green gemstone and diamond-studded band on a light purple background
Sale

Art Deco Natural Moss Agate Ring in Sterling Silver

Regular price $155 $130 (-16%)

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per 

Rose gold diamond ring with a clear gemstone on a reflective surface with a blurred purple background
Natural Aquamarine Engagement Ring in 14K White Gold by Aquamarise Gold, featuring a pear-shaped aquamarine center with diamond halo and detailed diamond-accented band.
Sale

Art Deco Teardrop Aquamarine Ring in Sterling Silver

Regular price $160 $135 (-16%)

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per 

An oval ruby engagement ring with a halo of smaller diamonds set in a 14K white gold band, displayed against a gradient purple and gray background.
Sale

Iris Oval Ruby Ring in Sterling Silver

Regular price $160 $135 (-16%)

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per 

Vintage Aquamarine Ring in 14K Solid Rose Gold featuring a serene oval aquamarine center with sparkling moissanite accents and intricate vintage-inspired rose gold detailing.
Sale

Vintage Aquamarine Ring in 14K Rose Gold Vermeil

Regular price $175 $150 (-14%)

Unit price
per 

Iris Oval Pink Tourmaline Engagement Ring- 14K White Gold by Aquamarise Gold, featuring a vibrant pink tourmaline center surrounded by a halo of sparkling moissanite accents on a delicate white gold band.
Sale

Iris Oval Pink Tourmaline Ring in Sterling Silver

Regular price $160 $135 (-16%)

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per 

Cushion Cut Art Deco Morganite Ring in Sterling Silver featuring a peach-pink morganite center stone with diamond accents on a detailed band by Aquamarise.
Sale

Cushion Cut Art Deco Morganite Ring in Sterling Silver

Regular price $160 $135 (-16%)

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.
Valentina Lab-Grown Diamond Engagement Ring in 14K White Gold (IGI Certified) by Aquamarise Gold, featuring a vintage-inspired double halo with sparkling lab-grown diamonds in an elegant design.
Sale

Valentina Simulated Diamond Vintage Engagement Ring in Sterling Silver

Regular price $160 $135 (-16%)

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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 Sterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

Belle Blue Sapphire Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold, featuring a cushion-cut blue sapphire surrounded by a pavé diamond halo and diamond-accented rose gold band.
Sale

Belle Cushion Blue Sapphire Ring in 14K Rose Gold Vermeil

Regular price $140 $98 (-30%)

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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