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Cobalt Blue Spinel

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Pear Shape Spinel
Jedi Spinel
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GIA Certified 1.02 Carat Cobalt Blue Spinel Ring
Located in Ben Lomond, CA
This cobalt blue spinel ring features a round cut over 1 carat, offering a rare and stunning
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, Spinel, 18k Gold, White Gold

GIA Certified 1.02 Carat Cobalt Blue Spinel Ring
GIA Certified 1.02 Carat Cobalt Blue Spinel Ring

GIA Certified 1.02 Carat Cobalt Blue Spinel Ring

$6,120
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
Category

2010s Burmese Loose Gemstones

Materials

Spinel

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

$890
W 0.28 in D 0.19 in L 0.3 in
1.20 Carat Natural Loose Cobalt Blue Spinel Emerald Cut Tanzanian Gemstone
Located in Bangkok, TH
Shape Cut Emerald The 1.20 Carat Natural Loose Cobalt Blue Spinel is a captivating gem that
Category

21st Century and Contemporary Tanzanian Modern 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

$420
W 0.24 in D 0.16 in L 0.25 in
Natural Cobalt Blue Spinel Gemstone, Top Grade Spinel From Tanzania 3.14 CTs
Located in Peshawar, PK
: Oxide This stunning **Cobalt Blue Spinel gemstone** is a rare and captivating treasure prized for its
Category

2010s Tanzanian 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

$9,500
W 0.39 in D 0.18 in L 0.28 in
Spectra Fine Jewelry 8.46 Carat Certified Cobalt Blue Spinel Diamond Ring
By Spectra Fine Jewelry
Located in New York, NY
Presenting this magnificent 8.46-carat Cobalt Blue Spinel Ring by Spectra Fine Jewelry. Its cushion
Category

21st Century and Contemporary American Contemporary Cocktail Rings

Materials

Diamond, Spinel, Platinum

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

$57,105
12.23 Carat Total Weight Bright Cobalt Blue Spinel 18 Karat White Gold Bracelet
Located in Houston, TX
bright cobalt blue spinels set in 18 karat white gold. Wear alone for a statement or layer with your
Category

21st Century and Contemporary American Tennis Bracelets

Materials

Spinel, Gold, 18k Gold, White Gold

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

$6,500
L 7 in
Certified 1.31 Carat Natural Loose Cobalt Blue Spinel From Tanzania
Located in Peshawar, PK
Faceted Cobalt Spinel Weight : 1.31 Carat Dimension: 7.84 x 5.94 x 3.80 Mm Colour: Blue Origin
Category

21st Century and Contemporary Tanzanian Arts and Crafts Loose Gemstones

Materials

Spinel, Other

Certified 1.31 Carat Natural Loose Cobalt Blue Spinel From Tanzania
Certified 1.31 Carat Natural Loose Cobalt Blue Spinel From Tanzania

Certified 1.31 Carat Natural Loose Cobalt Blue Spinel From Tanzania

$750 Sale Price
25% Off
W 0.24 in D 0.15 in L 0.31 in
Bezel Set Cobalt Blue Spinel and Round Diamonds by the Yard Necklace
Located in Houston, TX
This diamond by the yard style necklace features bezel set bright blue round spinels alternating
Category

21st Century and Contemporary American Chain Necklaces

Materials

Diamond, Spinel, Gold, 14k Gold, White Gold

Bezel Set Cobalt Blue Spinel and Round Diamonds by the Yard Necklace
Bezel Set Cobalt Blue Spinel and Round Diamonds by the Yard Necklace

Bezel Set Cobalt Blue Spinel and Round Diamonds by the Yard Necklace

$2,900
L 18 in
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
Category

2010s Thai Contemporary Solitaire Rings

Materials

Diamond, Spinel, 18k Gold, 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

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

$3,840 Sale Price
10% Off
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
Category

21st Century and Contemporary Tanzanian Modern Loose Gemstones

Materials

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

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

$7,900
W 0.33 in D 0.24 in L 0.39 in
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
Category

2010s Sri Lankan Loose Gemstones

Materials

Spinel

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

1.16 Carat Natural Violet Ceylon Spinel

$195 Sale Price
20% Off
W 0.22 in D 0.14 in L 0.28 in
Spinel Cobalt VIVID Blue 2.99Ct natural gemstone, Oval cut, Tanzania Certificate
By GRALJEWELRY
Located in Daugavpils, LV
Natural Cobalt Blue Spinel gemstone from Tanzania! GFCO Laboratory certified Gemstone Color: VIVID
Category

2010s Tanzanian Loose Gemstones

Materials

Spinel

Spinel Cobalt VIVID Blue 2.99Ct natural gemstone, Oval cut, Tanzania Certificate
Spinel Cobalt VIVID Blue 2.99Ct natural gemstone, Oval cut, Tanzania Certificate

Spinel Cobalt VIVID Blue 2.99Ct natural gemstone, Oval cut, Tanzania Certificate

$2,550
W 0.31 in D 0.24 in L 0.36 in
Spinel Cobalt Blue 3.04Ct natural gemstone, Oval cut, Tanzania, GFCO certified
By GRALJEWELRY
Located in Daugavpils, LV
Natural Cobalt Blue Spinel Loose gemstone Origin Tanzania! Laboratory certified GFCO Gemstone
Category

2010s Tanzanian Loose Gemstones

Materials

Spinel

Spinel Cobalt Blue 3.04Ct natural gemstone, Oval cut, Tanzania, GFCO certified
Spinel Cobalt Blue 3.04Ct natural gemstone, Oval cut, Tanzania, GFCO certified

Spinel Cobalt Blue 3.04Ct natural gemstone, Oval cut, Tanzania, GFCO certified

$2,150
W 0.3 in D 0.22 in L 0.4 in
Natural Blue Vietnamese Cobalt Spinel Gemstone 0.54 carats with GIA Report
Located in Los Angeles, CA
beauty of nature's finest creations. Identification: Natural Vietnamese Cobalt Blue Spinel • Carat
Category

21st Century and Contemporary Vietnamese Modern 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

$5,801
H 0.11 in W 0.18 in L 0.25 in
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
Category

2010s Burmese 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

$472 Sale Price
20% Off
W 0.31 in D 0.21 in L 0.25 in
GFCO Certified 2.17 Carat Natural Loose Blue Cobalt Spinel From Tanzania
Located in Peshawar, PK
Faceted Cobalt Spinel Weight : 2.17 Carat Dimension: 7.78 X 7.42 x 4.48 Mm Colour: Blue Origin
Category

21st Century and Contemporary Tanzanian Arts and Crafts Loose Gemstones

Materials

Spinel

GFCO Certified 2.17 Carat Natural Loose Blue Cobalt Spinel From Tanzania
GFCO Certified 2.17 Carat Natural Loose Blue Cobalt Spinel From Tanzania

GFCO Certified 2.17 Carat Natural Loose Blue Cobalt Spinel From Tanzania

$1,200
W 0.3 in D 0.18 in L 0.31 in
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
Category

21st Century and Contemporary North American Band Rings

Materials

Spinel, Gold, 14k Gold, White Gold

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

$2,000

Recent Sales

Grs & Gil Certified Cobalt Blue Spinel and Diamond Ring
Located in Hung Hom, HK
Among all Rare Blue Gemstones, the Cobalt Spinel possesses unique beauty factors such as sparkle
Category

2010s Tanzanian Fashion Rings

Materials

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

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

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
Category

2010s Chinese Arts and Crafts Cocktail Rings

Materials

Spinel

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

18 Karat White Gold Blue Cobalt Spinel Ring with Black and White Diamonds
By Niquesa
Located in London, GB
, surrounded by a glittering pave' of black and white diamonds Details Blue Cobalt Spinel Cocktail Ring - 18
Category

21st Century and Contemporary Italian Contemporary Cocktail Rings

Materials

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

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

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
Category

21st Century and Contemporary Burmese Modern Loose Gemstones

Materials

Spinel

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

1.10 carats Cobalt Blue Spinel Stone Emerald Cut Tanzanian Gemstone
Located in Bangkok, TH
Shape octagon Cut emerald This 1.10 carat cobalt blue spinel is a captivating gem of exceptional
Category

21st Century and Contemporary Tanzanian 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

W 0.22 in D 0.13 in L 0.28 in
3.69 carats Cobalt Blue Spinel Stone Oval Mixed Cut Natural Tanzanian Gemstone
Located in Bangkok, TH
Cobalt Blue Spinel takes center stage, showcasing its allure through a Mixed Oval Cut. Originating from
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

W 0.36 in D 0.2 in L 0.43 in
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
Category

21st Century and Contemporary Burmese 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

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
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

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
Category

21st Century and Contemporary Sri Lankan 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

Natural Cobalt Blue Spinel loose gemstone 3.50 ct, High quality, Origin Tanzania
By GRALJEWELRY
Located in Daugavpils, LV
Natural Cobalt Blue Spinel loose gemstone 3.50 ct., High quality, Octagon cut, Origin Tanzania
Category

2010s Tanzanian Loose Gemstones

Materials

Spinel

Natural Cobalt Blue Spinel loose gemstone 3.50 ct, High quality, Origin Tanzania
Natural Cobalt Blue Spinel loose gemstone 3.50 ct, High quality, Origin Tanzania

Natural Cobalt Blue Spinel loose gemstone 3.50 ct, High quality, Origin Tanzania

W 0.29 in D 0.21 in L 0.42 in
GIA Certified 1.51 carats Cobalt Blue Spinel Stone Step Cut Natural Gemstone
Located in Bangkok, TH
specified Shape Octagon Cut Step This GIA Certified Cobalt Blue Spinel weighs 1.51 carats and showcases
Category

21st Century and Contemporary 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

W 0.21 in D 0.17 in L 0.29 in
GIA Certified 1.50 carats Cobalt Blue Spinel Stone Step Cut Natural Gemstone
Located in Bangkok, TH
Clean Shape Octagon Cut Step This GIA Certified Cobalt Blue Spinel weighs 1.50 carats and showcases
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

W 0.25 in D 0.19 in L 0.26 in
Natural Cobalt Blue spinel quality VS, 3.48 Ct. gemstone, Certificate GFCO
By GRALJEWELRY
Located in Daugavpils, LV
Natural Spinel gemstone Laboratory certified Gemstone Color: Blue Gemstone Type: Spinel Gemstone
Category

2010s Tanzanian 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

W 0.31 in D 0.23 in L 0.36 in
'The Blue Moon' - 2.69 Carat Cobalt Blue Spinel Platinum ring with VS diamonds.
Located in Hua Hin, TH
Platinum ring set with a 2.69 carat Blue Cobalt Spinel & 58pcs. Diamonds total 0.30 carat. Ring
Category

2010s Burmese Engagement Rings

Materials

Diamond, Spinel, Platinum

'The Blue Moon' - 2.69 Carat Cobalt Blue Spinel Platinum ring with VS diamonds.
'The Blue Moon' - 2.69 Carat Cobalt Blue Spinel Platinum ring with VS diamonds.

'The Blue Moon' - 2.69 Carat Cobalt Blue Spinel Platinum ring with VS diamonds.

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
Category

2010s Sri Lankan 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

W 0.25 in D 0.21 in L 0.31 in
Grace of Purplish Gray Burmese Spinel 2.35 carats Radiant Cut Natural Loose Gem
Located in Bangkok, TH
spinel grey spinel jedi spinel cobalt blue spinel spinel rock natural spinel
Category

21st Century and Contemporary Burmese Modern 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

W 0.27 in D 0.21 in L 0.34 in
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
Category

2010s Burmese 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

W 0.31 in D 0.2 in L 0.28 in
GFCO Certified Natural 2.40Ct Blue Cobalt Spinel gemstone, Origin Tanzania.
By GRALJEWELRY
Located in Daugavpils, LV
Natural Blue Cobalt Spinel gemstone GFCO Laboratory certified Gemstone Color: Blue Gemstone Type
Category

21st Century and Contemporary Tanzanian 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.

W 0.27 in D 0.19 in L 0.36 in
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
Category

2010s Burmese 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

W 0.31 in D 0.19 in L 0.25 in
Natural Spinel Cobalt blue Loose Gemstone 2.04 Ct., Certificate, cushion cut.
By GRALJEWELRY
Located in Daugavpils, LV
Natural Spinel Cobalt blue Loose Gemstone 2.04 Ct., Certificate, cushion cut. Origin Tanzania
Category

2010s Tanzanian Loose Gemstones

Materials

Spinel

Natural Spinel Cobalt blue Loose Gemstone 2.04 Ct., Certificate, cushion cut.
Natural Spinel Cobalt blue Loose Gemstone 2.04 Ct., Certificate, cushion cut.

Natural Spinel Cobalt blue Loose Gemstone 2.04 Ct., Certificate, cushion cut.

W 0.24 in D 0.2 in L 0.33 in
Edwardian AGL Certified Cobalt Blue Spinel Diamond Natural Pearl Necklace
Located in Sarasota, FL
blue, natural Cobalt Spinel , large pear shape natural Pearl and approximately 2.00 carats of fine old
Category

Early 20th Century Edwardian More Necklaces

Materials

Diamond, Pearl, Spinel, 18k Gold

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

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1.92 Carat Blue Spinel Lotus Certified
Located in Hua Hin, TH
1.92 Carat Blue Spinel from Sri Lanka Shape: Antique. Cushion Cutting Style: Faceted Brilliant Modified Step Dimensions: 8.20 x 6.62 x 4.13 mm Color: Blue with medium saturation and ...
Category

2010s Sri Lankan Loose Gemstones

Materials

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1.92 Carat Blue Spinel Lotus Certified
1.92 Carat Blue Spinel Lotus Certified

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$476 Sale Price
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W 0.33 in D 0.17 in L 0.27 in
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21st Century and Contemporary Tanzanian Modern Loose Gemstones

Materials

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

Rare 5.73 Carat Natural Red Spinel Emerald Cut – Collector's Luxury Gemstone
Rare 5.73 Carat Natural Red Spinel Emerald Cut – Collector's Luxury Gemstone

Rare 5.73 Carat Natural Red Spinel Emerald Cut – Collector's Luxury Gemstone

$59,000
W 0.39 in D 0.24 in L 0.46 in
1.41 Carat Unheated Lavender Sapphire Cushion Three Stone Platinum Ring
By Merkaba
Located in Beverly Hills, CA
Merkaba Jewelry Beverly Hills proudly presents a captivating three stone platinum engagement ring centered on a 1.41 carat unheated Lavender Sapphire, precision cut in a romantic cus...
Category

21st Century and Contemporary American Contemporary Three-Stone Rings

Materials

Diamond, White Diamond, Multi-gemstone, Sapphire, Purple Sapphire, Platinum

1.41 Carat Unheated Lavender Sapphire Cushion Three Stone Platinum Ring
1.41 Carat Unheated Lavender Sapphire Cushion Three Stone Platinum Ring

1.41 Carat Unheated Lavender Sapphire Cushion Three Stone Platinum Ring

$8,990
IGI 18K 3.27 Ct Natural Sri Lanka Royal Blue Sapphire&Diamonds Engagement Ring
Located in Kaohsiung City, TW
*IGI 18K 3.27 Ct Natural Sri Lanka Royal Blue Sapphire&Diamonds Antique Engagement Ring* An IGI/Lotus-certified natural Ceylon vivid blue Sapphire weighing 3.27 ct set on the 18K w...
Category

21st Century and Contemporary Taiwanese Contemporary Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Gold, 18k Gold, White Gold

IGI 18K 3.27 Ct Natural Sri Lanka Royal Blue Sapphire&Diamonds Engagement Ring
IGI 18K 3.27 Ct Natural Sri Lanka Royal Blue Sapphire&Diamonds Engagement Ring

IGI 18K 3.27 Ct Natural Sri Lanka Royal Blue Sapphire&Diamonds Engagement Ring

$6,000 Sale Price
60% Off
Orloff of Denmark, 5.10 Carat, Split Shank, Blue Spinel Diamond Engagement Ring
Located in Hua Hin, TH
Orloff of Denmark's very own 'Neptunian Moonlight' An extraordinary 5.10 carat blue spinel set in 950 platinum. The split-shank ring which the gem is set upon is adorned with wonderf...
Category

2010s Thai Contemporary Engagement Rings

Materials

Diamond, Spinel, Platinum

Orloff of Denmark, 5.10 Carat, Split Shank, Blue Spinel Diamond Engagement Ring
Orloff of Denmark, 5.10 Carat, Split Shank, Blue Spinel Diamond Engagement Ring

Orloff of Denmark, 5.10 Carat, Split Shank, Blue Spinel Diamond Engagement Ring

$8,900
GIA Certified 2.03 Carat Mahenge Red Spinel Ring
Located in Ben Lomond, CA
Indulge in the splendor of this stunning ring featuring a rare, ethically sourced 2.03Ct Red Mahenge spinel at its center. Ever since its discovery in 2007, these spinels have been r...
Category

2010s American Contemporary Engagement Rings

Materials

Spinel, 18k Gold, White Gold

GIA Certified 2.03 Carat Mahenge Red Spinel Ring
GIA Certified 2.03 Carat Mahenge Red Spinel Ring

GIA Certified 2.03 Carat Mahenge Red Spinel Ring

$18,000
2.90 Carat Color Change Spinel from Sri Lanka Lotus Certified
Located in Hua Hin, TH
Rare 2.90 Carat color change Spinel from Sri Lanka Lotus Certified report: 2661-6868 Shape: Octagonal Cutting style: Faceted, Crown: Step, Pavilion: Step Color: Blue, this gem displ...
Category

2010s Sri Lankan Loose Gemstones

Materials

Spinel

2.90 Carat Color Change Spinel from Sri Lanka Lotus Certified
2.90 Carat Color Change Spinel from Sri Lanka Lotus Certified

2.90 Carat Color Change Spinel from Sri Lanka Lotus Certified

$1,400
W 0.38 in D 0.18 in L 0.29 in
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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.
Questions About Cobalt Blue Spinel
  • What is cobalt spinel?
    1 Answer
    1stDibs ExpertApril 5, 2022
    Cobalt blue spinels are the rarest and most valued type of spinel gemstone. They’re very popular in the modern gem industry and sought after by collectors. On 1stDibs, you’ll find a collection of cobalt spinel jewelry from some of the world’s top sellers.
  • How can I identify a cobalt Spinel?
    1 Answer
    1stDibs ExpertApril 5, 2022
    True cobalt Spinel have a high-quality blue coloring that won’t glow under a UV light. For detailed analysis, consult a jeweler. Shop a collection of expertly-vetted cobalt spinel jewelry from some of the world’s top sellers on 1stDibs.
  • Why is cobalt spinel expensive?
    1 Answer
    1stDibs ExpertApril 5, 2022
    Cobalt spinel is typically an expensive gemstone because it is rare. The gemstones feature a highly saturated blue color that sets them apart from other varieties of spinel. You can shop a selection of cobalt spinel gemstone jewelry on 1stDibs.
  • Is a cobalt spinel gem rare?
    1 Answer
    1stDibs ExpertApril 5, 2022
    Yes, the cobalt spinel gem is extremely rare and is one of the most desirable gems in the industry. It is found in a single mine in Vietnam and is one of the few gems that occur naturally. Shop a collection of expertly vetted gems from some of the world’s top sellers on 1stDibs.
  • Is all blue glass cobalt?
    1 Answer
    1stDibs ExpertApril 5, 2022
    No, not all blue glass is cobalt glass. Only those made with cobalt oxide can be called cobalt. In some pieces, the presence of copper oxide accounts for the color, however, cobalt glass is much more common. You'll find a collection of cobalt glass on 1stDibs.
  • How can I tell if a glass is cobalt blue?
    1 Answer
    1stDibs ExpertApril 5, 2022
    Cobalt blue glass is a deep blue glass that often gets its color by the addition of cobalt oxide in the molten glass mixture when the glass is being formed. The best way to identify cobalt blue glass is by the color. Shop a collection of cobalt blue glass from some of the world’s top sellers on 1stDibs.
  • How do you identify cobalt blue glass?
    1 Answer
    1stDibs ExpertApril 5, 2022
    If your glass has a blue tint to it, it is likely cobalt blue glass. There are three shades of cobalt glass; dark cobalt, which has a slight purplish hue, light or cornflower blue and medium blue. To verify its authenticity, check with an appraiser. You can also shop a collection of cobalt blue glass from some of the world’s top sellers on 1stDibs.
  • How old is cobalt blue glass?
    1 Answer
    1stDibs ExpertApril 5, 2022
    How old cobalt glass is varies greatly. Ancient Mesopotamian examples exist from roughly 2000 BC. In China, cobalt glass became common during the Zhou Dynasty, which lasted from 1122 to 221 BC. European cobalt glass may date back to as early as the 15th century. Shop a collection of antique cobalt glass on 1stDibs.
  • Does cobalt make glass blue?
    1 Answer
    1stDibs ExpertApril 5, 2022
    Yes, cobalt oxide makes glass blue. Different amounts of cobalt can be used to create more saturated levels of blue or to simply neutralize yellow for a more clear finish. Copper oxide can also be used to create a blue tinted glass. Shop a collection of cobalt glass from some of the world’s top sellers on 1stDibs.

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