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Cobalt Blue Spinel

7.22 Carat Cushion Cut Cobalt Blue Spinel Diamond White Gold Ring
7.22 Carat Cushion Cut Cobalt Blue Spinel Diamond White Gold Ring

7.22 Carat Cushion Cut Cobalt Blue Spinel Diamond White Gold Ring

Located in Trumbull, CT

7.22-Carat Cobalt Blue Spinel & Diamond Ring A captivating expression of color and elegance, this exceptional ring features a 7.22-carat cobalt blue spinel in a sophisticated cus...

Category

2010s American Artisan Engagement Rings

Materials

Diamond, Spinel, 18k Gold, White Gold

GIL Certified 2.12 Carat Cobalt Blue Spinel from Burma No Heat
GIL Certified 2.12 Carat Cobalt Blue Spinel from Burma No Heat

GIL Certified 2.12 Carat Cobalt Blue Spinel from Burma No Heat

Located in Hua Hin, TH

GIL Certified 2.12 carat Cobalt Blue Spinel from Burma No Heat Dimension: 7.00 x 7.56 x 4.79 mm Weight: 2.12 carat Cut: Octagonal

Category

2010s Burmese Loose Gemstones

Materials

Spinel

1.20 Carat Natural Loose Cobalt Blue Spinel Emerald Cut Tanzanian Gemstone
1.20 Carat Natural Loose Cobalt Blue Spinel Emerald Cut Tanzanian Gemstone

1.20 Carat Natural Loose Cobalt Blue Spinel Emerald Cut Tanzanian Gemstone

Located in Bangkok, TH

Weight 1.20 carat Dimensions 6.3x6.0x3.9mm Treatment None Origin Tanzanian Clarity Eye Clean Shape Cut Emerald The 1.20 Carat Natural Loose Cobalt Blue Spinel is a captivating...

Category

21st Century and Contemporary Tanzanian Modern Loose Gemstones

Materials

Spinel

Natural Cobalt Blue Spinel Gemstone, Top Grade Spinel From Tanzania 3.14 CTs
Natural Cobalt Blue Spinel Gemstone, Top Grade Spinel From Tanzania 3.14 CTs

Natural Cobalt Blue Spinel Gemstone, Top Grade Spinel From Tanzania 3.14 CTs

Located in Peshawar, PK

Color : Cobalt Blue Clarity : SI Treatment :Natural Origin : Tanzania Hardness : 7.5-8 Family : Oxide This stunning **Cobalt Blue Spinel gemstone** is a rare and captivating treasu...

Category

2010s Tanzanian Loose Gemstones

Materials

Spinel

Spectra Fine Jewelry 8.46 Carat Certified Cobalt Blue Spinel Diamond Ring
Spectra Fine Jewelry 8.46 Carat Certified Cobalt Blue Spinel Diamond Ring

Spectra Fine Jewelry 8.46 Carat Certified Cobalt Blue Spinel Diamond Ring

By Spectra Fine Jewelry

Located in New York, NY

The captivating cobalt blue hue of the Spinel evokes the serenity of a deep ocean, drawing admiration from every angle.

Category

21st Century and Contemporary American Contemporary Cocktail Rings

Materials

Diamond, Spinel, Platinum

12.23 Carat Total Weight Bright Cobalt Blue Spinel 18 Karat White Gold Bracelet
12.23 Carat Total Weight Bright Cobalt Blue Spinel 18 Karat White Gold Bracelet

12.23 Carat Total Weight Bright Cobalt Blue Spinel 18 Karat White Gold Bracelet

Located in Houston, TX

It features 12.23 carat total weight in bright cobalt blue spinels set in 18 karat white gold. Wear alone for a statement or layer with your other favorite bracelets.

Category

21st Century and Contemporary American Tennis Bracelets

Materials

Spinel, Gold, 18k Gold, White Gold

Certified Natural 2.07 Ct. Cobalt blue Spinel loose gemstone, Cushion cut.
Certified Natural 2.07 Ct. Cobalt blue Spinel loose gemstone, Cushion cut.

Certified Natural 2.07 Ct. Cobalt blue Spinel loose gemstone, Cushion cut.

By GRALJEWELRY

Located in Dublin, D

Natural Cobalt Blue Spinel loose gemstone Laboratory certified GFCO Gemstone Color: Blue Gemstone Type: Spinel Gemstone size: 7.49x6.29x4.98 mm Cut Grade: Excellent Clarity/Grade: L...

Category

2010s Tanzanian Loose Gemstones

Materials

Spinel

2.17 Carat Certified Natural Cobalt Blue Spinel Asscher Cut Tanzanian Gemstone
2.17 Carat Certified Natural Cobalt Blue Spinel Asscher Cut Tanzanian Gemstone

2.17 Carat Certified Natural Cobalt Blue Spinel Asscher Cut Tanzanian Gemstone

Located in Bangkok, TH

Weight 2.17 carats Dimensions 7.78 x 7.42 × 4.48 mm Treatment None Origin Tanzanian Clarity Eye Clean Shape Cut Asscher GFCO Certified AG192 Elevate your fine jewelry collect...

Category

21st Century and Contemporary Tanzanian Modern Loose Gemstones

Materials

Spinel

6.08 Carat Cobalt Blue Spinel from Tanzania - AIG Certified
6.08 Carat Cobalt Blue Spinel from Tanzania - AIG Certified

6.08 Carat Cobalt Blue Spinel from Tanzania - AIG Certified

Located in Brisbane City, AU

This 6.08 carat cobalt-blue spinel displays the vivid, highly saturated blue colour that has made cobalt-bearing spinel one of the most sought-after gemstones among collectors and fi...

Category

2010s Tanzanian Loose Gemstones

Materials

Spinel

Cobalt Blue Spinel 1.31ct AIG Certified Oval Gem, Tanzania Origin
Cobalt Blue Spinel 1.31ct AIG Certified Oval Gem, Tanzania Origin

Cobalt Blue Spinel 1.31ct AIG Certified Oval Gem, Tanzania Origin

Located in Peshawar, PK

However, in 1984, scientists first identified cobalt as an additional coloring agent for highly saturated blue spinels.

Category

21st Century and Contemporary Tanzanian Arts and Crafts Loose Gemstones

Materials

Spinel, Other

Certified Unheated Cobalt Blue Spinel with Diamond Ring in 18K White Gold
Certified Unheated Cobalt Blue Spinel with Diamond Ring in 18K White Gold

Certified Unheated Cobalt Blue Spinel with Diamond Ring in 18K White Gold

Located in Bangkok, TH

Blue Spinel 3.04 carats with Diamond 0.34 carat Ring set in 18 Karat White Gold Settings (GFCO Gem Lab, Switzerland) Width: 0.9 cm Length: 0.7 cm Ring Size: 54 Total Weight: 6.19...

Category

2010s Thai Contemporary Solitaire Rings

Materials

Diamond, Spinel, 18k Gold, White Gold

3.07 Carat Cobalt Blue Mahenge Spinel Oval Cut Loose Gemstone with Bellerophon
3.07 Carat Cobalt Blue Mahenge Spinel Oval Cut Loose Gemstone with Bellerophon

3.07 Carat Cobalt Blue Mahenge Spinel Oval Cut Loose Gemstone with Bellerophon

By Merkaba

Located in Beverly Hills, CA

A rare, collector level cobalt blue spinel from Mahenge, Tanzania, offered loose and unmounted by Merkaba Jewelry Beverly Hills.

Category

21st Century and Contemporary Tanzanian Modern Loose Gemstones

Materials

Spinel, 18k Gold, Rose Gold, White Gold, Yellow Gold, Platinum

1.16 Carat Natural Violet Ceylon Spinel
1.16 Carat Natural Violet Ceylon Spinel

1.16 Carat Natural Violet Ceylon Spinel

Located in Hua Hin, TH

1.16 Carat Natural Cobalt Blue Spinel from Sri Lanka (Ceylon) Dimension: 6.86 x 5.38 x 3.54 mm Weight: 1.16 Carat Shape: Cushion Cut No Heat GIL Certified Report No: STO2023010552113

Category

2010s Sri Lankan Loose Gemstones

Materials

Spinel

GFCO Certified Natural 7.06Ct. Blue Cobalt Spinel gemstone, Cushion, Tanzania
GFCO Certified Natural 7.06Ct. Blue Cobalt Spinel gemstone, Cushion, Tanzania

GFCO Certified Natural 7.06Ct. Blue Cobalt Spinel gemstone, Cushion, Tanzania

By GRALJEWELRY

Located in Dublin, D

Natural Cobalt blue Spinel Loose gemstone Laboratory certified GFCO Gemstone Color: Cobalt Blue Gemstone Type: Spinel Gemstone size: 12.08x10.20x6.60 mm Cut Grade: Excellent Clarity...

Category

2010s Tanzanian Loose Gemstones

Materials

Spinel

Natural Blue Vietnamese Cobalt Spinel Gemstone 0.54 carats with GIA Report
Natural Blue Vietnamese Cobalt Spinel Gemstone 0.54 carats with GIA Report

Natural Blue Vietnamese Cobalt Spinel Gemstone 0.54 carats with GIA Report

Located in Los Angeles, CA

Identification: Natural Vietnamese Cobalt Blue Spinel • Carat: 0.54 carats • Shape: Oval • Measurements: 6.17 x 4.51 x 2.78 mm • Cut: Brilliant/ Modified Brilliant • Color: Blu...

Category

21st Century and Contemporary Vietnamese Modern Loose Gemstones

Materials

Spinel

1.98 Carat Natural Blue Cobalt Spinel from Burma
1.98 Carat Natural Blue Cobalt Spinel from Burma

1.98 Carat Natural Blue Cobalt Spinel from Burma

Located in Hua Hin, TH

1.98 Carat Natural Blue Cobalt Spinel from Burma Dimension: 7.68 x 6.35 x 5.28 mm Shape: Oval Cut Weight: 1.98 Carat No Heat GIL Certified Report No: St02022102151324

Category

2010s Burmese Loose Gemstones

Materials

Spinel

GFCO Certified Natural 2.09Ct. Blue Cobalt Spinel gemstone, Oval cut
GFCO Certified Natural 2.09Ct. Blue Cobalt Spinel gemstone, Oval cut

GFCO Certified Natural 2.09Ct. Blue Cobalt Spinel gemstone, Oval cut

By GRALJEWELRY

Located in Dublin, D

Natural Spinel Loose gemstone Laboratory certified GFCO Gemstone Color: Cobalt Blue Gemstone Type: Spinel Gemstone size: 8.96x6.58x4.72 mm Cut Grade: Excellent Clarity/Grade: Loupe ...

Category

2010s Sri Lankan Loose Gemstones

Materials

Spinel

14 Karat White Gold Round Natural Blue Cobalt Spinel Eternity Band
14 Karat White Gold Round Natural Blue Cobalt Spinel Eternity Band

14 Karat White Gold Round Natural Blue Cobalt Spinel Eternity Band

Located in Houston, TX

This 14 karat white gold eternity band features fifteen round french set bright blue natural cobalt spinels with a total weight of 4.91 carats.

Category

21st Century and Contemporary North American Band Rings

Materials

Spinel, Gold, 14k Gold, White Gold

Certified Natural 2.51Ct Cobalt Spinel loose gemstone, Cushion, Origin Tanzania
Certified Natural 2.51Ct Cobalt Spinel loose gemstone, Cushion, Origin Tanzania

Certified Natural 2.51Ct Cobalt Spinel loose gemstone, Cushion, Origin Tanzania

By GRALJEWELRY

Located in Dublin, D

Natural Spinel loose gemstone Laboratory certified GFCO Gemstone Color: Cobalt blue Gemstone Type: Spinel Gemstone size: 9.05x6.65x5.20 mm Cut Grade: Excellent Clarity/Grade: Eye cl...

Category

2010s Tanzanian Loose Gemstones

Materials

Spinel

1.2 Cts Teal Blue Color Emerald Cut Spinel Gemstone for Jewellery form Africa
1.2 Cts Teal Blue Color Emerald Cut Spinel Gemstone for Jewellery form Africa

1.2 Cts Teal Blue Color Emerald Cut Spinel Gemstone for Jewellery form Africa

Located in Peshawar, PK

Blue and bluish-green are among the recognized spinel colors, with some vivid blue spinels deriving their color from trace elements such as cobalt.

Category

2010s Contemporary Loose Gemstones

Materials

Spinel

1.5 Ct Violet Color Burmese Spinel Emerald Cut Natural Gemstone for Jewellery
1.5 Ct Violet Color Burmese Spinel Emerald Cut Natural Gemstone for Jewellery

1.5 Ct Violet Color Burmese Spinel Emerald Cut Natural Gemstone for Jewellery

Located in Peshawar, PK

These are traditional spiritual beliefs rather than scientifically established effects. Spinel Color Varieties Spinel occurs in an impressive palette, including: 1) Red Spinel, cl...

Category

2010s Contemporary Loose Gemstones

Materials

Spinel

Recent Sales

Grs & Gil Certified Cobalt Blue Spinel and Diamond Ring
Grs & Gil Certified Cobalt Blue Spinel and Diamond Ring

Grs & Gil Certified Cobalt Blue Spinel and Diamond Ring

Located in Hung Hom, HK

Blue Diamond cannot get close to the supernatural blazing Blue tone of Cobalt Spinel.

Category

2010s Tanzanian Fashion Rings

Materials

Diamond, Spinel, Gold, 18k Gold, White Gold

GEMCOOK JEWELLERY 1.04ct Cobalt Spinel Blue Flower Ring
GEMCOOK JEWELLERY 1.04ct Cobalt Spinel Blue Flower Ring

GEMCOOK JEWELLERY 1.04ct Cobalt Spinel Blue Flower Ring

Located in Bangkok, TH

GEMCOOK JEWELLERY 1.04ct Cobalt Spinel Blue Flower Ring1.04ct Charming cobalt blue~ A circle of flowers inlaid around it~ Girls' hearts overflow again With EGL certificate This stunn...

Category

2010s Chinese Arts and Crafts Cocktail Rings

Materials

Spinel

18 Karat White Gold Blue Cobalt Spinel Ring with Black and White Diamonds
18 Karat White Gold Blue Cobalt Spinel Ring with Black and White Diamonds

18 Karat White Gold Blue Cobalt Spinel Ring with Black and White Diamonds

By Niquesa

Located in London, GB

A mesmerising cushion cut blue spinel encircled by a delicate ring of brilliant cut diamonds, surrounded by a glittering pave' of black and white diamonds Details Blue Cobalt Spinel...

Category

21st Century and Contemporary Italian Contemporary Cocktail Rings

Materials

Spinel, White Diamond, Black Diamond, 18k Gold, White Gold

Fantastic Cobalt Blue Spinel Gemstone 1.04 Carats Aig Certified Spinel Burma
Fantastic Cobalt Blue Spinel Gemstone 1.04 Carats Aig Certified Spinel Burma

Fantastic Cobalt Blue Spinel Gemstone 1.04 Carats Aig Certified Spinel Burma

Located in Bangkok, TH

Fantastic Cobalt Blue Spinel Gemstone, Available For Sale At Wholesale Price Natural High Quality 1.04 Carats Unheated Natural Spinel from Burma.

Category

21st Century and Contemporary Burmese Modern Loose Gemstones

Materials

Spinel

1.10 carats Cobalt Blue Spinel Stone Emerald Cut Tanzanian Gemstone
1.10 carats Cobalt Blue Spinel Stone Emerald Cut Tanzanian Gemstone

1.10 carats Cobalt Blue Spinel Stone Emerald Cut Tanzanian Gemstone

Located in Bangkok, TH

Perfect for fine jewelry or as a prized addition to any gemstone collection, this cobalt blue spinel is a stunning representation of nature's artistry.

Category

21st Century and Contemporary Tanzanian Modern Loose Gemstones

Materials

Spinel

3.69 carats Cobalt Blue Spinel Stone Oval Mixed Cut Natural Tanzanian Gemstone
3.69 carats Cobalt Blue Spinel Stone Oval Mixed Cut Natural Tanzanian Gemstone

3.69 carats Cobalt Blue Spinel Stone Oval Mixed Cut Natural Tanzanian Gemstone

Located in Bangkok, TH

With a weight of 3.69 carats, this Tanzanian treasure is a testament to the earth's splendor, combining the rarity of the gem's origin with the skilled craftsmanship of its cut. ...

Category

21st Century and Contemporary Tanzanian Modern Loose Gemstones

Materials

Spinel

Lovely Cobalt Blue Natural Spinel 1.22 Carats Spinel Gemstones Spinel Jewelry
Lovely Cobalt Blue Natural Spinel 1.22 Carats Spinel Gemstones Spinel Jewelry

Lovely Cobalt Blue Natural Spinel 1.22 Carats Spinel Gemstones Spinel Jewelry

Located in Bangkok, TH

Lovely Cobalt Blue Natural Spinel of 1.22 carats from Sri lanka has a wonderful cut in a Oval shape, incredible Blue color.

Category

21st Century and Contemporary Burmese Modern Loose Gemstones

Materials

Spinel

Excellent Cobalt Blue Loose Spinel Gem 1.80 CTS Buy Spinel Gemstone Spinel Ring
Excellent Cobalt Blue Loose Spinel Gem 1.80 CTS Buy Spinel Gemstone Spinel Ring

Excellent Cobalt Blue Loose Spinel Gem 1.80 CTS Buy Spinel Gemstone Spinel Ring

Located in Bangkok, TH

Excellent Cobalt Blue Loose Spinel Gem of 1.80 carats from Sri lanka has a wonderful cut in a Triangular shape, incredible Blue color.

Category

21st Century and Contemporary Burmese Modern Loose Gemstones

Materials

Spinel

Precious Cobalt Blue Natural Spinel Stone 1.05 Carats AIG Certified Spinel
Precious Cobalt Blue Natural Spinel Stone 1.05 Carats AIG Certified Spinel

Precious Cobalt Blue Natural Spinel Stone 1.05 Carats AIG Certified Spinel

Located in Bangkok, TH

Precious Cobalt Blue Natural Spinel Stone, Available For Sale At Wholesale Price Natural High Quality 1.05 Carats Unheated Natural Spinel from Sri lanka.

Category

21st Century and Contemporary Sri Lankan Modern Loose Gemstones

Materials

Spinel

GIA Certified 1.51 carats Cobalt Blue Spinel Stone Step Cut Natural Gemstone
GIA Certified 1.51 carats Cobalt Blue Spinel Stone Step Cut Natural Gemstone

GIA Certified 1.51 carats Cobalt Blue Spinel Stone Step Cut Natural Gemstone

Located in Bangkok, TH

Cobalt spinel's are highly prized for their rarity, and this specimen, with its vivid blue tone and expert craftsmanship, stands as a true collector's gemstone.

Category

21st Century and Contemporary Modern Loose Gemstones

Materials

Spinel

GIA Certified 1.50 carats Cobalt Blue Spinel Stone Step Cut Natural Gemstone
GIA Certified 1.50 carats Cobalt Blue Spinel Stone Step Cut Natural Gemstone

GIA Certified 1.50 carats Cobalt Blue Spinel Stone Step Cut Natural Gemstone

Located in Bangkok, TH

Cobalt spinel's are highly prized for their rarity, and this specimen, with its vivid blue tone and expert craftsmanship, stands as a true collector's gemstone.

Category

21st Century and Contemporary Modern Loose Gemstones

Materials

Spinel

Natural Cobalt Blue spinel quality VS, 3.48 Ct. gemstone, Certificate GFCO
Natural Cobalt Blue spinel quality VS, 3.48 Ct. gemstone, Certificate GFCO

Natural Cobalt Blue spinel quality VS, 3.48 Ct. gemstone, Certificate GFCO

By GRALJEWELRY

Located in Dublin, D

Natural Spinel gemstone Laboratory certified Gemstone Color: Blue Gemstone Type: Spinel Gemstone size: 9.05x7.81x5,84mm Cut Grade: Very Good Clarity/Grade: VS Gemstone Shape: Cushio...

Category

2010s Tanzanian Loose Gemstones

Materials

Spinel

2.06 Carat Cobalt Blue Ceylon Spinel
2.06 Carat Cobalt Blue Ceylon Spinel

2.06 Carat Cobalt Blue Ceylon Spinel

Sold

W 0.25 in D 0.21 in L 0.31 in

2.06 Carat Cobalt Blue Ceylon Spinel

Located in Hua Hin, TH

2.06 Carat Natural Cobalt Blue Spinel from Sri Lanka (Ceylon) Dimension: 7.71 x 6.30 x 5.27 mm Weight: 2.06 Carat Shape: Cushion Cut No Heat GIL Certified Report No: STO2023010552108

Category

2010s Sri Lankan Loose Gemstones

Materials

Spinel

Grace of Purplish Gray Burmese Spinel 2.35 carats Radiant Cut Natural Loose Gem
Grace of Purplish Gray Burmese Spinel 2.35 carats Radiant Cut Natural Loose Gem

Grace of Purplish Gray Burmese Spinel 2.35 carats Radiant Cut Natural Loose Gem

Located in Bangkok, TH

black spinel grey spinel jedi spinel cobalt blue spinel spinel rock natural spinel

Category

21st Century and Contemporary Burmese Modern Loose Gemstones

Materials

Spinel

GIL Certified 1.91 Carat Cobalt Blue Natural Spinel from Burma
GIL Certified 1.91 Carat Cobalt Blue Natural Spinel from Burma

GIL Certified 1.91 Carat Cobalt Blue Natural Spinel from Burma

Located in Hua Hin, TH

GIL Certified 1.91 carat Cobalt Blue Natural Spinel from Burma Weight: 1.91 Carat Dimension: 7.66 x 6.99 x 4.86 mm Cut: Oval No Heat

Category

2010s Burmese Loose Gemstones

Materials

Spinel

GFCO Certified Natural 2.40Ct Blue Cobalt Spinel gemstone,  Origin Tanzania.
GFCO Certified Natural 2.40Ct Blue Cobalt Spinel gemstone,  Origin Tanzania.

GFCO Certified Natural 2.40Ct Blue Cobalt Spinel gemstone, Origin Tanzania.

By GRALJEWELRY

Located in Dublin, D

Natural Blue Cobalt Spinel gemstone GFCO Laboratory certified Gemstone Color: Blue Gemstone Type: Spinel Gemstone size: 8.98x6.67x4.69mm Cut Grade: Very Good Clarity/Grade: VS Gemst...

Category

21st Century and Contemporary Tanzanian Loose Gemstones

Materials

Spinel

GIL Certified 1.79 Carat Cobalt Blue Natural Spinel from Burma Untreated
GIL Certified 1.79 Carat Cobalt Blue Natural Spinel from Burma Untreated

GIL Certified 1.79 Carat Cobalt Blue Natural Spinel from Burma Untreated

Located in Hua Hin, TH

GIL Certified 1.79 Carat Cobalt Blue Natural Spinel from Burma Dimension: 7.84 x 6.32 x 4.59 mm Weight: 1.79 Carat Cut: Oval No Heat

Category

2010s Burmese Loose Gemstones

Materials

Spinel

Edwardian AGL Certified Cobalt Blue Spinel Diamond Natural Pearl Necklace
Edwardian AGL Certified Cobalt Blue Spinel Diamond Natural Pearl Necklace

Edwardian AGL Certified Cobalt Blue Spinel Diamond Natural Pearl Necklace

Located in Sarasota, FL

Magnificent and Rare, this early twenteth century Edwardian necklace contains a 10.03 carat vivid blue, natural Cobalt Spinel , large pear shape natural Pearl and approximately 2.00 ...

Category

Early 20th Century Edwardian More Necklaces

Materials

Diamond, Pearl, Spinel, 18k Gold

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1.85 Carat Natural Loose Blue Color Tourmaline Emerald Cut Afghan Gemstone

Located in Bangkok, TH

Weight 1.85 carat Dimensions 8.8x5.6x4.2mm Treatment None Origin Afghan Clarity VVS Shape Cut Emerald This 1.85 carat natural blue tourmaline is a striking gemstone that be...

Category

21st Century and Contemporary Afghan Modern Loose Gemstones

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1.05 Carat Natural Blue Ceylon Spinel
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$176Sale Price|20% Off

W 0.21 in D 0.14 in L 0.26 in

1.05 Carat Natural Blue Ceylon Spinel

Located in Hua Hin, TH

1.05 Carat Natural Blue Spinel from Sri Lanka (Ceylon) Dimension: 6.43 x 5.17 x 3.51 mm Weight: 1.05 Carat Shape: Octagon Cut No Heat GIL Certified Report No: STO2023010552114

Category

2010s Sri Lankan Loose Gemstones

Materials

Spinel

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Cobalt Blue Spinel For Sale on 1stDibs

You are likely to find exactly the cobalt blue spinel you’re looking for on 1stDibs, as there is a broad range for sale. Every item for sale was constructed with extraordinary care, often using 18k gold, gold and platinum. For this particular accessory, there are many different carat weights to choose from, but 1.5 carat and 2 carat versions are of considerable interest. Finding an appealing cobalt blue spinel — no matter the origin — is easy, but Merkaba each produced a popular version that is worth a look. An oval cut version of this piece has appeal, but there are also antique cushion cut and octagon cut versions for sale. When shopping for a cobalt blue spinel, you’ll find that there are less available pieces for unisex or men today than there are for women.

How Much is a Cobalt Blue Spinel?

The price for a cobalt blue spinel starts at $300 and tops out at $9,900 with these rings, on average, selling for $590.