Natural Blue Spinel Gemstones – Rare Elegance for Custom Jewelry

Rare and Elegant: The Allure of Blue Spinel

Natural blue spinel is one of the rarest and most refined gemstones on the market. From icy sky blues to deep midnight tones, this gem offers a vibrant and sophisticated palette for high-end jewelry. Unlike sapphire, blue spinel often displays exceptional clarity and brilliance without requiring any treatments.

Unenhanced Beauty and Lasting Durability

Blue spinel is completely natural and typically untreated, prized by gem collectors and designers alike. With a hardness of 8 on the Mohs scale and a bright adamantine luster, it’s perfectly suited for rings, pendants, and heirloom-quality pieces that need to stand the test of time.

A Unique Alternative to Sapphire

Looking for a one-of-a-kind blue gemstone? Blue spinel offers a rare and refreshing choice. Its brilliance, rarity, and historical confusion with sapphire make it a hidden treasure in the world of fine gems.

August Birthstone with a Bold Twist

Spinel is an official birthstone for August, offering a vibrant, modern alternative to peridot. While peridot glows with summer greens, blue spinel delivers depth and elegance—perfect for Leos and Virgos who want something truly distinctive. Want to learn more? Read our Spinel Buying Guide.

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
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
Beautiful Pair of Deep Blue Mogok Spinel Oval cut 6.34 ct total Beautiful Pair of Deep Blue Mogok Spinel Oval cut 6.34 ct total

Matched Pair of Deep Blue Spinel from Mogok – Oval Cut, 6.34 ct Total

$790.00
$790.00
  • Sold out
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
Rare Blue Green Spinel 1.86 ct, cushion cut. This natural and untreated gemstone has an antique cut, its green color is very rare, its size is ideal, neither too big nor too small. Its behavior under light is amazing, has a beautiful and bright color under day light and more green under incandescent light. It will look perfect in your custom jewelry. Spinels are gems with rising value. Rare Blue Green Spinel 1.86 ct, cushion cut. This natural and untreated gemstone has an antique cut, its green color is very rare, its size is ideal, neither too big nor too small. Its behavior under light is amazing, has a beautiful and bright color under day light and more green under incandescent light. It will look perfect in your custom jewelry. Spinels are gems with rising value.

Natural Blue-Green Spinel 1.86 ct – Cushion Cut, Antique Style

$450.00
$450.00
Beautiful dark spinel of 1.59 ct with a trapezoidal cut. This beauty under fluorescent light shows an incredible and sparkle dark blue color with violet tones. Its fancy cut is amazing. It is a very special gemstone, it will look wonderful in any piece of jewelry you can imagine. Beautiful dark spinel of 1.59 ct with a trapezoidal cut. This beauty under fluorescent light shows an incredible and sparkle dark blue color with violet tones. Its fancy cut is amazing. It is a very special gemstone, it will look wonderful in any piece of jewelry you can imagine.

Trapezoid-Cut Violetish Blue Spinel – 1.59 ct | Natural Untreated Gemstone

$450.00
$450.00
Unheated Violet Grey Spinel Gem. Octagon Cut. 1.42 ct Unheated Violet Grey Spinel Gem. Octagon Cut. 1.42 ct under daylight

Unheated Violetish Blue Spinel – 1.42 ct, Octagon Cut

$300.00
$300.00
Beautiful Violetish Blue Spinel. Octagon Cut. 1.43 ct Beautiful Violetish Blue Spinel. Octagon Cut. 1.43 ct

Natural Violetish Blue Spinel 1.43 ct – Octagon Cut Color-Shift

$289.00
$289.00
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
  • Sold out
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
  • Sold out
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
  • Sold out
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
  • Sold out
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
Greyish Blue Spinel Gemstone. Rectangle Cut. 1.30 ct Greyish Blue Spinel Gemstone. Rectangle Cut. 1.30 ct under daylight

Grayish Blue Spinel 1.30 ct – Natural Rectangular Gem from Sri Lanka

$160.00
$160.00
  • Sold out
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

The Timeless Charm of Natural Blue Spinel

Sought after for its rarity, brilliance, and unenhanced beauty, blue spinel is a sophisticated gem with a cool, calming soul. A true collector’s delight.

MdMaya Gems

Related Collections Natural Blue Spinel Gemstones – Rare Elegance for Custom Jewelry

Explore other spinel shades and discover the diversity of this historic gem. From fiery reds to delicate pinks and silvery greys, each variety offers a unique charm. And if you're looking for a meaningful gift, Spinel is one of the official August birthstones.

Shop All
Hot Red Burmese Spinel Cushion Cut 0.92 ct

Red Spinel

Vivid red spinels rival rubies in brilliance and rarity. Discover gems with fiery passion and royal legacy.

Pink Spinel

Feminine, radiant, and full of charm—pink spinels are cherished for their joyful energy and elegant sparkle.

Grey Spinel

Their shifting colors and refined tones make grey spinels an unexpected favorite in modern fine jewelry.
Natural Green Peridot Fancy Cut 2.28 ct

August Birthstone: Peridot & Spinel

Celebrate August with the vibrant green of peridot and the bold hues of spinel—two gems, one birthstone month.

FAQ

Grading Gems

MdMaya Gems uses the following clarity scale when grading gemstones.

Setting aside translucent and opaque gemstones, the first classification to take into account is: 

Type 1: Stones that are often inclusion free

Gemstones that usually don't have inclusions:  Aquamarine, blue topaz, blue zircon, chrysoberyl (except alexandrite), danburite, heliodor, imperial topaz, morganite, smoky quartz, spodumene (kunzite, hiddenite), tanzanite and white zircon.

Type 2: Stones that are usually included 

They usually show small inclusions that are visible to the naked eye.  Apatite, alexandrite, amethyst, ametrine, corundum (sapphire and ruby), diopside, fluorite, garnets, iolite,  spinel, peridot, tourmaline (except green tourmaline, rubellite, watermelon, paraiba) and zircon (red, yellow and orange)

Type 3: Stones that are almost always included

Benitoite, emerald, idocrase, kyanite,paraiba tourmaline, prehnite,  red beryl,red – pink tourmaline,rubelliteand watermelon tourmaline.

CLARITY GRADES:

EYE CLEAN: Appears clean to the unaided eye. (Type 1, 2 and 3)

SLIGHTLY INCLUDED:       

Type 1: Minute inclusions difficult to see with the unaided eye.

Type 2: Minor inclusions easy to see with the unaided eye.

Type 3: Noticeable inclusions apparent to the unaided eye.

MODERATELY INCLUDED:       

Type 1: Minor inclusions some what easy to see with the unaided eye.

Type 2: Noticeable inclusions apparent to the unaided eye.

Type 3: Obvious inclusions very apparent to the unaided eye.

HEAVILY included: prominent inclusions that have a negative effect on appearance or durability.

SEVERELY INCLUDED: prominent inclusions that have a severe effect on appearance or durability or both. (Type
1, 2 and 3).

All our gemstones have been analyzed by a qualified gemologist. Each precious stone comes with a gemological certificate to guarantee its authenticity, as well as describing its unique characteristics.
Pictures in this website might not reflect the intensity and brightness of the real color of the gemstone. Additionally, the pictures might not properly represent the real size of the gem (provided in millimeters). Do not hesitate in requesting more graphic documentation of the precious stone for any clarifications. This will be provided shortly to accommodate your needs. 
The photographs of the inclusions, if any, are a distinctive sign NATURAL origin.

If you are interested in obtaining more information about this gemstone, CONTACT US and we will respond as son as possible.

Inclusions are nature’s signature. We embrace their beauty and uniqueness as proof of authenticity. Microphotography up to 50x is available upon request.

Shipping

Orders are processed Monday to Friday, with maximum 48 hours.

Shipping will need around 1 work week within Europe, 10 - 15 days to the USA and Japan, and maximum 30 days to another locations.

This days not including any customs check. We do not have any influence on delays created by customs.

EMS POSTAL EXPRES INTERNATIONAL 

(Andorra, Austria, Belgium, Bulgaria, Canada, Cyprus, Czech Republic, Denmark, Estonia, Faroe Islands, Finland, France, Germany, Gibraltar, Greece, Greenland, Holy See (Vatican City State), Hungary, Iceland, Ireland, Italy, Liechtenstein, Lithuania, Luxembourg, Malta, Monaco, Netherlands, Norway, Poland, Portugal, Romania, San Marino, Slovenia, Spain, Sweden, Switzerland, United Kingdom, United States)  

Cost: $25 (registered airmail, insurance, export-taxes, packaging are included in our prices).


FEDEX cost $30.

Free Shipping (Fedex) on Orders of $700 or More for all our products.

REST OF THE WORLD

EMS POSTAL EXPRES INTERNATIONAL  Cost: $60 

FEDEX  cost $75. 

Free Shipping (Fedex) on Orders of $2000 or More for all our products.

Registered airmail, insurance, export-taxes, packaging are included in our prices.

We have a flat rate, you can order as many items as you like and pay just a single shipping fee.

Our Store

We took several photos:
We take photos with daylight (no lightbox and no extra lighting at all).
And we take photos and videos on mirror in a light box with extra lighting (this kind of photos clearly show the quality of the cut and the clarity of the gem) and videos. 

We are based in Spain, between Madrid and Barcelona. Our store is fully online and we’re here 24/7, 365 days a year.

We’re happy to assist with questions, photos, videos or anything else. Visit our Contact Us page for easy access.