Natural Grey Spinel Gemstones – Subtle Sophistication for the Modern Collector

Understated Beauty in Every Facet

Grey spinel may not shout for attention—but that's precisely where its charm lies. With tones that range from silvery mist to deep slate, this rare gemstone brings a modern, refined elegance to fine jewelry. Uncommon and captivating, each piece of natural grey spinel in our collection has been hand-selected for its tone, cut, and luminosity.

Rare and Natural — Never Synthetic

Unlike synthetic spinels often found in commercial jewelry, every gem in our collection is 100% natural and untreated. Grey spinel is a true rarity in the world of gemstones—sourced from limited deposits and prized by collectors and designers for its versatility and cool, neutral beauty.

A Collector’s Favorite with Designer Appeal

Grey spinel complements both warm and cool-toned metals, making it a favorite among bespoke jewelers and modern collectors. Whether set in minimalist designs or vintage-inspired pieces, its neutrality elevates every setting without competing for attention.

More Than a Color: A Birthstone for August

Grey spinel belongs to the spinel family, officially recognized as a birthstone for August. For those seeking a rare and unconventional alternative to peridot, grey spinel offers timeless sophistication and emotional depth.

Looking to learn more about spinel before you choose?
Explore our full Spinel Buying Guide.

Discover subtle power in every shade. Grey spinel isn’t just a color—it’s a statement of modern rarity.

  • Sold out
Grey Spinel 4.07 ct. Cushion Cut Grey Spinel 4.07 ct. Cushion Cut
Unheated Grayish Blue Spinel 4.07 ct – Cushion Cut from Mogok, Burma
$950.00
$950.00
Affordable Purple Spinel Gemstone Square Cushion Cut 1.97 ct Affordable Purple Spinel Gemstone Square Cushion Cut 1.97 ct
1.97 ct Square Cushion Purple Spinel – Natural Gemstone for Jewelry
$250.00
$250.00
Gorgeous greenish gray spinel, 3.13 ct, cushion cut. This natural and untreated gemstone has an antique cut, its size is ideal, neither too big nor too small. Its behaviour under light is amazing, has a beautiful color under incandescent light, and contains a small treasure inside, another small spinel fully formed, a delight both outside and inside. Mother nature is perfect. It will be ideal in any jewel that you want to personalize. Spinels are gems with rising value. Gorgeous greenish gray spinel, 3.13 ct, cushion cut. This natural and untreated gemstone has an antique cut, its size is ideal, neither too big nor too small. Its behaviour under light is amazing, has a beautiful color under incandescent light, and contains a small treasure inside, another small spinel fully formed, a delight both outside and inside. Mother nature is perfect. It will be ideal in any jewel that you want to personalize. Spinels are gems with rising value.
Natural Grey Spinel 3.13 ct – Antique Cushion with Unique Inclusion
$810.00
$810.00
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Bluish Gray Spinel Unheated, Cushion Cut, 1.03 ct. Perfect for a special ring. This beautiful precious stone dark has a beautiful cut and shine, an excellent natural gem at an irresistible price. Bluish Gray Spinel Unheated, Cushion Cut, 1.03 ct. Perfect for a special ring. This beautiful precious stone dark has a beautiful cut and shine, an excellent natural gem at an irresistible price.
Natural Bluish Gray Spinel 1.03 ct – Unheated Cushion Cut Gem for Jewelry
$239.00
$239.00
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Bluish Grey Spinel, Square Cushion Cut, 1.10 ct. This beautiful precious stone dark has a beautiful metallic color and shine, its pavilion is a little high but this untreated gemstone once mounted in any kind of jewelry it will look precious. Bluish Grey Spinel, Square Cushion Cut, 1.10 ct. This beautiful precious stone dark has a beautiful metallic color and shine, its pavilion is a little high but this untreated gemstone once mounted in any kind of jewelry it will look precious.
Natural Bluish Grey Spinel – Square Cushion Cut, 1.10 ct – Unheated Gemstone
$220.00
$220.00
Affordable Blue Grey Spinel Gemstone. Rectangle Cut. 2.14 ct. Maximum brilliance. This gem has a beautiful behavior under any type of light, it has a dark blue color full of bright sparkles. Inclusions visible only under the lens. Beautiful gemstone for your personalized jewelry. Affordable Blue Grey Spinel Gemstone. Rectangle Cut. 2.14 ct. Maximum brilliance. This gem has a beautiful behavior under any type of light, it has a dark blue color full of bright sparkles. Inclusions visible only under the lens. Beautiful gemstone for your personalized jewelry.
Blue Grey Spinel 2.14 ct – Rectangular Cut with Bright Sparkles
$280.00
$280.00
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Magnificent Greyish Purple Burmese Spinel Cushion Cut 3.25 ct Magnificent Greyish Purple Burmese Spinel Cushion Cut 3.25 ct
Greyish Purple Spinel – Cushion Cut – 3.25 ct
$585.00
$585.00
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Pretty Bluish Gray Spinel Unheated, Octagon Cut, 1.78 ct. Perfect for Engagement Ring Pretty Bluish Gray Spinel Unheated, Octagon Cut, 1.78 ct. Perfect for Engagement Ring
Bluish Gray Spinel, Octagon Cut, 1.78 ct – Unheated Sri Lankan Gemstone
$279.00
$279.00
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Grey Spinel 1.15 ct Cushion Cut. Grey Spinel 1.15 ct Cushion Cut.
Grey Spinel 1.15 ct – Cushion Cut
$271.00
$271.00
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Pretty Bluish Gray Spinel Unheated Cushion Cut 1.22 ct Pretty Bluish Gray Spinel Unheated Cushion Cut 1.22 ct
Bluish Grey Spinel 1.22 ct – Cushion Cut
$149.00
$149.00
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Affordable Blue Grey Spinel Gemstone Rectangle Cut 1.95 ct. Affordable Blue Grey Spinel Gemstone Rectangle Cut 1.95 ct.
1.95 ct Blue-Grey Spinel – Rectangle Cut – Sri Lanka
$271.00
$271.00
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Platinum Lavender Violet Mogok Spinel 2.50 ct Platinum Lavender Violet Mogok Spinel 2.50 ct
Platinum Lavender Violet Spinel 2.50 ct – Oval Cut from Mogok, Burma
$219.00
$219.00
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Nice bright Gray Spinel Oval Cut 1.55 ct Nice bright Gray Spinel Oval Cut 1.55 ct
Maximum brilliance. Nice bright Gray Spinel. Oval Cut. 1.55 ct.
$221.00
$221.00
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Magnificent Greyish Blue Spinel Cushion Cut 4.80 ct under daylight (crown) Magnificent Greyish Blue Spinel Cushion Cut 4.80 ct under daylight
4.80 ct Grayish Blue Spinel – Burmese Cushion Cut Gem with Shifting Hues
$720.00
$720.00
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  • -24% Sale
Silver Grey Mogok Spinel Gemstone Cushion Cut 4.30 ct Silver Grey Mogok Spinel Gemstone Cushion Cut 4.30 ct
Brilliant Grey Spinel Cushion – 4.30 ct from Mogok, Untreated
$640.00 $840.00
$640.00

Grey Spinel: Timeless, Subtle, Remarkably Rare

Often overlooked in favor of brighter gems, grey spinel rewards those who look deeper. Its calm, refined beauty whispers where others shout. Chosen for its elegance and rarity, each piece in this collection invites quiet admiration—perfect for modern jewelry with a soul.

Related collections

Looking to explore more within the world of spinel? From vivid reds to soft pinks and rare blues, each color tells its own story. And as one of August’s official birthstones, spinel offers a meaningful alternative for those seeking something truly unique. Discover more below.

Hot Red Burmese Spinel Cushion Cut 0.92 ct

Red Spinel

Bold and fiery, red spinel has long been mistaken for ruby—but stands proudly on its own. A gemstone of passion, history, and enduring brilliance.

Pink Spinel

Soft yet striking, pink spinel embodies elegance with a romantic twist. A sophisticated alternative for lovers of refined feminine tones.
Affordable Blue Grey Spinel Gemstone. Rectangle Cut. 2.14 ct. Maximum brilliance. This gem has a beautiful behavior under any type of light, it has a dark blue color full of bright sparkles. Inclusions visible only under the lens. Beautiful gemstone for your personalized jewelry.

Blue Spinel

Rare and refined, natural blue spinel captivates with its tranquil depth and understated luxury—an exceptional gem for collectors.

August Birthstone

Spinel joins peridot as an official birthstone for August. Choose a unique path with grey spinel—subtle, elegant, and truly meaningful.