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Starry night sky with the Milky Way galaxy

Blue Sandstone Engagement Rings

Blue Sandstone Engagement Rings — The Proposal They'll Never Forget

A blue sandstone engagement ring stops conversation. The deep midnight blue center stone catches light at every angle, and the shimmer running through the stone makes the ring impossible to overlook. For couples who want a proposal moment they'll talk about for the next fifty years — and a ring she'll show off every time someone asks to see it — this is the right collection.

4.9 stars from 38,000+ verified reviews. Handcrafted since 2016.

A sterling silver engagement ring set featuring a round-cut blue goldstone center stone with a crescent moon-inspired band, displayed against a purple background.
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Starry Night Crescent Moon Engagement Ring Set- Sterling Silver

Regular price from $112.50 (-10%)

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Feyra Starry Night & Amethyst Couples Ring Set featuring a pear-shaped dark blue sandstone center stone surrounded by vibrant amethyst gemstones set in a delicate rose gold band, crafted by Aquamarise for Matching Couples' Rings and February Birthstone collections.
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Feyra Starry Night & Amethyst Ring Set in 14K Rose Gold Vermeil

Regular price from $139.50 Up to (-10%)

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Starry Night Couples Ring Set- Night Court Inspired by Aquamarise, featuring a sparkling blue sandstone center with diamond accents, a celestial-inspired design for matching couples rings.
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Starry Night Engagement Ring in Sterling Silver (Hidden Halo)

Regular price from $94.50 Up to (-10%)

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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.
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Skye Kite® Starry Night Ring Set in Sterling Silver

Regular price from $121.50 Up to (-10%)

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Kite Galaxy Sandstone (Starry Night) Ring Set- Black Ruthenium by Aquamarise, featuring a black ruthenium band with sparkling galaxy sandstone and clear accent stones in a celestial design.
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Kite Galaxy Sandstone (Starry Night) Ring Set- Black Ruthenium

Regular price from $112.50 Up to (-10%)

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Starry Night & Sapphire Leaf Ring Set- 14K White Gold featuring a deep blue sapphire center stone surrounded by delicate leaf motifs with small blue and white gemstones, crafted by Aquamarise Gold from nature-inspired and starry night collections.
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Starry Night & Sapphire Leaf Engagement Ring Set- Sterling Silver

Regular price $135 from $121.50 Up to (-10%)

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Starry Night & Opal Leaf Ring in Sterling Silver
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Starry Night & Opal Leaf Ring in Sterling Silver

Regular price from $103.50 (-10%)

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Starry Night (Sandstone) Engagement Ring in 14K White Gold featuring an emerald-cut Galaxy Sandstone with sparkling diamond accents and an intricate band by Aquamarise Gold.
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Starry Night Engagement Ring in Sterling Silver

Regular price $125 from $112.50 Up to (-10%)

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Evelyn Starry Night Ring Set in Black Ruthenium by Aquamarise featuring a pear-cut blue sandstone with marquise and round white stones in 925 sterling silver with black ruthenium finish.
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Evelyn Starry Night Ring Set in Black Ruthenium

Regular price from $112.50 (-10%)

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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.
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Evelyn Starry Night Ring Set in Sterling Silver

Regular price from $103.50 (-10%)

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Elara Starry Night and Crescent Moon Couples Ring Set features a hexagonal deep blue sparkling gemstone set in polished sterling silver with rhodium finish, accented by delicate crescent moon and star motifs, designed by Foreverings for Matching Couples' Rings and Fantasy-Inspired Jewelry collections.
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Elara Starry Night Crescent Moon Engagement Ring Set in Sterling Silver

Regular price from $121.50 (-10%)

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Starry Night Coffin Kite Engagement Ring Set in 14K Solid Rose Gold by Aquamarise Gold, featuring deep blue coffin kite gemstones with sparkling diamond accents in a celestial design.
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Kite Galaxy Sandstone (Starry Night) Ring Set- 14K Rose Gold Vermeil

Regular price $125 $112.50 (-10%)

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Starry Night Ring Set in 14K Yellow Gold Vermeil
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Starry Night Ring Set in 14K Yellow Gold Vermeil

Regular price from $112.50 Up to (-10%)

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Starry Night & Black Onyx Engagement Ring Set in Sterling Silver
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Starry Night & Black Onyx Engagement Ring Set in Sterling Silver

Regular price $125 $112.50 (-10%)

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Starry Night and Fire Opal Leaf Couples Ring Set by Aquamarise, featuring a glittering galaxy sandstone centerpiece with a marquise shape, accented with blue marquise and round gemstones on a silver band with delicate leaf motifs.
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Starry Night and Sapphire Leaf Ring in Sterling Silver

Regular price from $94.50 Up to (-10%)

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Lily Starry Night Court Ring in Sterling Silver featuring a sparkling midnight blue centerstone with marquise and round white accents, inspired by celestial and fantasy themes by Aquamarise.
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Lily Starry Night Court Ring in Sterling Silver

Regular price from $94.50 (-10%)

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Lilith Coffin Cut Starry Night Ring Set in 14K Rose Gold Vermeil by Aquamarise featuring a deep blue coffin-shaped sparkling gemstone with surrounding clear diamond accents.
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Lilith Coffin Cut Starry Night Ring Set in 14K Rose Gold Vermeil

Regular price $125 $112.50 (-10%)

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Galaxy Sandstone (Starry Night) Leaf Ring- 14K Rose Gold Vermeil by Aquamarise, featuring a sparkling round blue sandstone in an intricately detailed leaf-inspired rose gold vermeil band.
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Galaxy Sandstone (Starry Night) Leaf Ring- 14K Rose Gold Vermeil

Regular price from $94.50 (-10%)

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Starry Night Sandstone Ring Set- 14K Solid Rose Gold featuring kite-cut sparkling blue gemstone with rose gold band and delicate diamond accents by Aquamarise Gold.
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Starry Night Sandstone Ring Set- 14K Rose Gold Vermeil

Regular price $135 from $121.50 Up to (-10%)

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Rowan Starry Night & Black Onyx Dark Fairy Ring in Black Ruthenium
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Rowan Starry Night & Black Onyx Dark Fairy Ring in Black Ruthenium

Regular price from $103.50 (-10%)

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Eva Starry Night (Sandstone) Engagement Ring in 14K White Gold by Aquamarise Gold featuring a sparkling blue sandstone center and marquise diamond accents in a vintage-inspired setting.
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Eva Starry Night Ring in Sterling Silver

Regular price $105 $94.50 (-10%)

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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.
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Starry Night and Sapphire Ring Set in Sterling Silver

Regular price $125 from $112.50 Up to (-10%)

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A sterling silver engagement ring set featuring a marquise cut blue sandstone center stone with chevron band design and smaller clear accent stones, displayed against a purple background.
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Starry Night Engagement Ring Set in Sterling Silver

Regular price from $121.50 (-10%)

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Ring with purple gemstone and diamond accents on a white surface with a blurred purple background
Sale

Starry Night™ Geometric Ring in Black Ruthenium

Regular price $115 from $103.50 (-10%)

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Feyra Starry Night & Amethyst Couples Ring Set featuring a pear-shaped dark blue sandstone center stone surrounded by vibrant amethyst gemstones set in a delicate rose gold band, crafted by Aquamarise for Matching Couples' Rings and February Birthstone collections.
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 $2,395

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per 

Starry Night Coffin Kite Engagement Ring Set in 14K Solid Rose Gold by Aquamarise Gold, featuring deep blue coffin kite gemstones with sparkling diamond accents in a celestial design.
Starry Night Engagement Ring Set in 14K Solid Yellow Gold

Starry Night Engagement Ring Set in 14K Solid Yellow Gold

from $2,225

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per 

Starry Night™ Galaxy Engagement Ring | Blue Sandstone Ring
Starry Night & Opal Leaf Ring in Sterling Silver
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 $2,395

Unit price
per 

Elegant ring with purple gemstones on a reflective surface

Feyra Starry Night & Amethyst Ring Set in 14K White Gold

$2,695

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per 

Free U.S. Shipping

Dispatched from the USA with care

Hustle-Free Returns & Exchanges

Simple, worry-free process

Ethically Crafted

Responsibly sourced, consciously made

Loved by 200,000+ Couples

Fantasy-inspired, handcrafted jewelry

Why Blue Sandstone for Your Engagement Ring

1. People will actually notice. Diamond engagement rings blend into the background. Blue sandstone doesn't. The deep blue with internal shimmer is the kind of distinctive that makes friends and strangers stop and ask.

2. It's significantly more affordable than sapphire. You can spend the savings on a larger center stone, a more elaborate setting, or a solid 14K gold band — all without compromising visual impact.

3. It says something about who you are as a couple. Choosing blue sandstone signals that you went looking for something deliberate. That you didn't just pick the default. That signals intention.

For complete background on the stone itself, see our blue sandstone jewelry collection.

Starry Night™ Galaxy Engagement Ring | Blue Sandstone Ring

Pick the Right Setting

Halo settings

 wrap the blue sandstone center stone in smaller accent stones — typically lab-grown diamonds or moissanite. The brilliant white accents amplify the deep blue and add protection at the stone's edges. This is the most popular configuration for a reason. See halo engagement rings.

Bezel settings

 wrap the entire perimeter of the stone in metal — maximum protection, clean modern aesthetic, perfect for active wearers. See bezel set engagement rings.

Hidden halo settings

 put accent stones underneath the center stone, visible only from the side. From above the ring looks like a clean solitaire — but turn your hand and the brilliance reveals itself. See hidden halo engagement rings.

Three-stone settings

 flank the blue sandstone with two accent stones, traditionally representing past, present, and future.

Solitaire settings

 let the blue sandstone be the only thing you see. The cleanest expression. See solitaire engagement rings.

Vintage and Art Deco settings

 integrate the stone into milgrain detailing and geometric metalwork for couples drawn to historical aesthetics. See vintage antique engagement rings.

Pick the Right Cut

Oval — elongates the finger and displays maximum visible color. The most popular cut for blue sandstone engagement rings. See oval engagement rings.

Cushion — softer silhouette, vintage-leaning aesthetic. See cushion cut engagement rings.

Round brilliant — maximum sparkle, combines faceted brilliance with the internal shimmer of the stone. See round engagement rings.

Pear and marquise — directional shapes that create elongation and drama. See pear shaped engagement rings and marquise engagement rings.

Cabochon — smooth domed surface that emphasizes the depth of the blue. Particularly distinctive.

Pick the Right Size

1-2 carat is the most popular range — substantial enough to make a statement, balanced enough to wear every day.

2-3 carat pushes into full statement territory — for the proposal that makes a deliberate impression.

Below 0.75 carat, the visual impact diminishes. Above 3 carats, you're in custom commission territory.

Because blue sandstone is significantly more affordable than sapphire at every size, you can comfortably size up without exceeding budget.

Pair of rings with blue gemstones on a gray surface with a blurred purple background

After You Say Yes

For the wedding band that pairs with your blue sandstone engagement ring, see our blue sandstone wedding bandscollection — eternity, half-eternity, and accent configurations designed to complement engagement rings without competing. For broader band options across all stones, see women's wedding bandssolid gold wedding bands, and curved wedding bands. For coordinated couples sets, couples engagement ring sets.

Make It Yours

Every blue sandstone engagement ring is customizable across stone size, setting design, metal, accent stones, and engraving. For fully bespoke designs, Design Your Own Custom Ring. Use our free ring sizer before ordering. Complimentary engraving on every piece.

Metal Pairings

Sterling silver and white gold preserve the deep blue at full saturation — the cleanest pure-color presentation. See sterling silver engagement rings and gold vermeil jewelry.

Yellow gold warms the cool blue with rich contrast — sophisticated, slightly vintage. See yellow gold vermeil jewelry.

Rose gold softens with romantic warmth. See rose gold vermeil rings.

Solid 14K gold delivers heirloom-grade construction. See solid gold rings.

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Blue Sandstone Engagement Ring FAQs

Made by Hand, Built to Last

Every piece is handcrafted, hand-finished, and shipped with our warranty, worldwide insured shipping, and a 14-day return window on non-customized work. 4.9 stars from 38,000+ verified reviews across aquamarise.com and our Etsy shop.