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Cobalt Spinel

Tanzania Spinel
Burmese Certified
Gia Spinel
No Heat Spinel
Blue Spinel Ring Platinum
Certified Spinel
Blue Gemstone
Cobalt Blue Jewellery
More Popular Searches
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
GRS Certified 2.23 Cts Cobalt Spinel & Diamond Cocktail Ring. Collector's Item.
Located in Hong Kong, HK
Please check out the HD video! Here is a super rare natural Cobalt Spinel and diamond ring. The
Category

2010s Hong Kong Contemporary Cocktail Rings

Materials

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

GRS Certified 2.23 Cts Cobalt Spinel & Diamond Cocktail Ring. Collector's Item.
GRS Certified 2.23 Cts Cobalt Spinel & Diamond Cocktail Ring. Collector's Item.

GRS Certified 2.23 Cts Cobalt Spinel & Diamond Cocktail Ring. Collector's Item.

$18,000
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
Natural blue Cobalt Spinel loose gemstone 2.67 ct., heart cut, Origin Tanzania
By GRALJEWELRY
Located in Daugavpils, LV
Natural blue cobalt Spinel gemstone Laboratory certified GFCO Gemstone Color: Vivid blue Gemstone
Category

2010s Tanzanian Loose Gemstones

Materials

Spinel

Natural blue Cobalt Spinel loose gemstone 2.67 ct., heart cut, Origin Tanzania
Natural blue Cobalt Spinel loose gemstone 2.67 ct., heart cut, Origin Tanzania

Natural blue Cobalt Spinel loose gemstone 2.67 ct., heart cut, Origin Tanzania

$836
W 0.35 in D 0.26 in L 0.31 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

$8,114
H 0.11 in W 0.18 in L 0.25 in
Gia Certified Cobalt Blue Spinel Natural 0.66ct Vivid Pear Teardrop Cut Rare Gem
By Gems and Jewels UK
Located in Birmingham, GB
Gia Certified Cobalt Blue Spinel Natural 0.66ct Vivid Pear Teardrop Cut Rare Gem GIA Certified
Category

21st Century and Contemporary More Jewelry

Materials

Spinel

Gia Certified Cobalt Blue Spinel Natural 0.66ct Vivid Pear Teardrop Cut Rare Gem
Gia Certified Cobalt Blue Spinel Natural 0.66ct Vivid Pear Teardrop Cut Rare Gem

Gia Certified Cobalt Blue Spinel Natural 0.66ct Vivid Pear Teardrop Cut Rare Gem

$1,111
Spinel Cobalt Blue and Diamonds natural Earrings, 14 Kt Yellow Gold, Certificate
By GRALJEWELRY
Located in Daugavpils, LV
Natural Cobalt Spinel and Diamond 14 Karat Yellow Gold Earrings GFCO Laboratory certified Spinel
Category

2010s Tanzanian Stud Earrings

Materials

Diamond, Spinel, 14k Gold, Yellow Gold

Spinel Cobalt Blue and Diamonds natural Earrings, 14 Kt Yellow Gold, Certificate
Spinel Cobalt Blue and Diamonds natural Earrings, 14 Kt Yellow Gold, Certificate

Spinel Cobalt Blue and Diamonds natural Earrings, 14 Kt Yellow Gold, Certificate

$6,000
W 0.28 in L 0.63 in
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
NEW Platinum 1.89ctw GIA NO HEAT Cushion Blue Spinel Brilliant Diamond Halo Ring
Located in Montclair, NJ
! --Stone(s):-- (1) Natural Genuine Spinel - Cushion Brilliant Cut - Prong Set - Rare Cobalt Blue Color - NO
Category

2010s American Engagement Rings

Materials

Diamond, Spinel, Platinum

NEW Platinum 1.89ctw GIA NO HEAT Cushion Blue Spinel Brilliant Diamond Halo Ring
NEW Platinum 1.89ctw GIA NO HEAT Cushion Blue Spinel Brilliant Diamond Halo Ring

NEW Platinum 1.89ctw GIA NO HEAT Cushion Blue Spinel Brilliant Diamond Halo Ring

$7,697
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

$432
W 0.25 in D 0.21 in L 0.31 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

$390
W 0.31 in D 0.19 in L 0.25 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
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
Spinel Cobalt Blue 3.25 Ct. Natural gemstone, Cushion, 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 3.25 Ct. Natural gemstone, Cushion, Tanzania, GFCO certified
Spinel Cobalt Blue 3.25 Ct. Natural gemstone, Cushion, Tanzania, GFCO certified

Spinel Cobalt Blue 3.25 Ct. Natural gemstone, Cushion, Tanzania, GFCO certified

$2,275
W 0.3 in D 0.21 in L 0.4 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
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
Cobalt Blue Spinel Ring Gem 3.07 Carat Mahenge Tanzania Oval Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
Supreme 3.07-Carat Cobalt Blue Spinel – A Masterpiece for Custom Jewelry Design By Merkaba Beverly
Category

21st Century and Contemporary Tanzanian Contemporary Engagement Rings

Materials

Spinel

Cobalt Blue Spinel Ring Gem 3.07 Carat Mahenge Tanzania Oval Loose Gemstone
Cobalt Blue Spinel Ring Gem 3.07 Carat Mahenge Tanzania Oval Loose Gemstone

Cobalt Blue Spinel Ring Gem 3.07 Carat Mahenge Tanzania Oval Loose Gemstone

$7,900
W 0.33 in D 0.24 in L 0.39 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
Spinel Cobalt Blue and Diamond natural gemstone pendant, 14 Kt Yellow Gold, GFCO
By GRALJEWELRY
Located in Daugavpils, LV
Natural Spinel and Diamonds Pendant 14 Karat Yellow gold Pendant without chain. Spinel have GFCO
Category

2010s Tanzanian Pendant Necklaces

Materials

Diamond, Spinel, 14k Gold, Yellow Gold

Spinel Cobalt Blue and Diamond natural gemstone pendant, 14 Kt Yellow Gold, GFCO
Spinel Cobalt Blue and Diamond natural gemstone pendant, 14 Kt Yellow Gold, GFCO

Spinel Cobalt Blue and Diamond natural gemstone pendant, 14 Kt Yellow Gold, GFCO

$3,000
W 0.28 in L 0.6 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
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
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
1950s Robert Levy 'Originals by Robert' Hand-Blown Glass & Black Spinel Necklace
By Original by Robert
Located in Maywood, NJ
Hand-blown glass cobalt beads and black spinel beads are hand strung in this statement piece from
Category

Vintage 1950s American Art Nouveau Beaded Necklaces

Materials

Spinel, Black Spinel

1950s Robert Levy 'Originals by Robert' Hand-Blown Glass & Black Spinel Necklace
1950s Robert Levy 'Originals by Robert' Hand-Blown Glass & Black Spinel Necklace

1950s Robert Levy 'Originals by Robert' Hand-Blown Glass & Black Spinel Necklace

$1,470

Recent Sales

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

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

Glossy Pink Burmese Spinel 1.0 carats Emerald Cut Natural Loose Gemstone
Located in Bangkok, TH
radiance. spinel spinel gem pink spinel mahenge spinel cobalt spinel jedi spinel spinel price spinel
Category

21st Century and Contemporary Tajikistani Modern Loose Gemstones

Materials

Spinel

Glossy Pink Burmese Spinel 1.0 carats Emerald Cut Natural Loose Gemstone
Glossy Pink Burmese Spinel 1.0 carats Emerald Cut Natural Loose Gemstone

Glossy Pink Burmese Spinel 1.0 carats Emerald Cut Natural Loose Gemstone

W 0.17 in D 0.12 in L 0.32 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

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

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

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
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
'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.

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
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
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
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
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
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
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

Antique Art Deco, French, 18 Carat White Gold, Cobalt Spinel and Sapphire Ring
Located in Rochford, Essex
. This spinel owes its striking teal colour to traces of cobalt. While cobalt was commonly added to
Category

Early 20th Century French Engagement Rings

Materials

Sapphire, Spinel, White Gold

Antique Art Deco, French, 18 Carat White Gold, Cobalt Spinel and Sapphire Ring
Antique Art Deco, French, 18 Carat White Gold, Cobalt Spinel and Sapphire Ring

Antique Art Deco, French, 18 Carat White Gold, Cobalt Spinel and Sapphire Ring

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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

Spinel

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

1.92 Carat Blue Spinel Lotus Certified

$476 Sale Price
20% Off
W 0.33 in D 0.17 in L 0.27 in
Hancocks 3.73ct G VVS2 Old-Cut Pear Shaped Diamond Ring with Engraved Gold Band
By Hancocks
Located in London, GB
A stunning pear shape diamond solitaire ring by Hancocks, set with a wonderfully bright and lively old-cut pear-shaped diamond weighing 3.73ct and of G colour and VVS2 clarity, in a ...
Category

21st Century and Contemporary English Engagement Rings

Materials

White Diamond, 18k Gold, Platinum

Hancocks 3.73ct G VVS2 Old-Cut Pear Shaped Diamond Ring with Engraved Gold Band
Hancocks 3.73ct G VVS2 Old-Cut Pear Shaped Diamond Ring with Engraved Gold Band

Hancocks 3.73ct G VVS2 Old-Cut Pear Shaped Diamond Ring with Engraved Gold Band

$173,621
GIA 17.91 Carat Old Cushion Cut Diamond Solitaire Ring in Platinum
Located in La Jolla, CA
GIA certified 17.91 carat Old Cushion Cut Diamond Solitaire Ring in Platinum Old Cushion Diamond Ring features a Center Cushion Brilliant Cut Diamond with beautiful vintage carving ...
Category

20th Century North American Solitaire Rings

Materials

Diamond, Platinum

GIA 17.91 Carat Old Cushion Cut Diamond Solitaire Ring in Platinum
GIA 17.91 Carat Old Cushion Cut Diamond Solitaire Ring in Platinum

GIA 17.91 Carat Old Cushion Cut Diamond Solitaire Ring in Platinum

$325,000
18K White Gold Aquamarine & Diamond Cocktail Ring
Located in Kowloon, HK
18K White Gold Aquamarine & Diamond Cocktail Ring `1 Aquamarine - 4.00 CT Diamonds - 0.028 CT 18K Gold - 4.45 g Vivid Blue 4.00 CT Aquamarine GRC Certified
Category

21st Century and Contemporary Hong Kong Modern Cocktail Rings

Materials

Aquamarine, Diamond, 18k Gold, White Gold

18K White Gold Aquamarine & Diamond Cocktail Ring
18K White Gold Aquamarine & Diamond Cocktail Ring

18K White Gold Aquamarine & Diamond Cocktail Ring

$2,060
Cartier 4.99 Carats No-Heat Blue Sapphire & Diamond Three-Stone Engagement Ring
By Cartier
Located in New York, NY
A gorgeous engagement ring, featuring a very rare 4.99 carats cushion cut blue sapphire certified by both AGL and Gubelin as Sri Lankan origin (Ceylon), set on a four prong setting. ...
Category

20th Century American Contemporary Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

Cartier 4.99 Carats No-Heat Blue Sapphire & Diamond Three-Stone Engagement Ring
Cartier 4.99 Carats No-Heat Blue Sapphire & Diamond Three-Stone Engagement Ring

Cartier 4.99 Carats No-Heat Blue Sapphire & Diamond Three-Stone Engagement Ring

$304,000 Sale Price
20% Off
Tiffany & Co. Schlumberger 3.92 Carat Step-Cut Engagement Ring
By Jean Schlumberger for Tiffany & Co.
Located in New York, NY
Tiffany & Co. Schlumberger GIA Certified 3.92 Carat E Color Diamond Ring. A stunning ring made by Schlumberger for Tiffany & Co. The center diamond is a square emerald-cut, E color, ...
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, 18k Gold, Yellow Gold

Tiffany & Co. Schlumberger 3.92 Carat Step-Cut Engagement Ring
Tiffany & Co. Schlumberger 3.92 Carat Step-Cut Engagement Ring

Tiffany & Co. Schlumberger 3.92 Carat Step-Cut Engagement Ring

$107,900
5.10 Carat Spinel and Diamond Three-Stone Platinum Engagement Ring, No Heat
By Emeralds Maravellous
Located in US
A vibrant purple-pinkish red 4.16 carat cushion-cut natural untreated Spinel is the centerpiece of this ring. The vibrant gemstone is highlighted by two round brilliant cut diamonds ...
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, Spinel, Platinum

5.10 Carat Spinel and Diamond Three-Stone Platinum Engagement Ring, No Heat
5.10 Carat Spinel and Diamond Three-Stone Platinum Engagement Ring, No Heat

5.10 Carat Spinel and Diamond Three-Stone Platinum Engagement Ring, No Heat

$19,979
EGL Certified 1.93 Carat Diamond Sapphire Platinum Three Stone Engagement Ring
Located in Stamford, CT
Diamond and Sapphire platinum classic three stone engagement ring. The dazzling 1.93-carat diamond takes center stage, flanked by two vibrant round sapphires and in lustrous platinum...
Category

21st Century and Contemporary Three-Stone Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

EGL Certified 1.93 Carat Diamond Sapphire Platinum Three Stone Engagement Ring
EGL Certified 1.93 Carat Diamond Sapphire Platinum Three Stone Engagement Ring

EGL Certified 1.93 Carat Diamond Sapphire Platinum Three Stone Engagement Ring

$12,500
F + F Felger GIA Certified 5.40 Carat Star Sapphire Diamond White Gold Ring
Located in Stamford, CT
Dive into the captivating world of fine jewelry with the exclusive F + F Felger, GIA certified star cabochon oval sapphire and diamond 1960's three stone ring. Certified by the GIA a...
Category

Mid-20th Century Three-Stone Rings

Materials

Diamond, Sapphire, Star Sapphire, Gold, 14k Gold, White Gold

F + F Felger GIA Certified 5.40 Carat Star Sapphire Diamond White Gold Ring
F + F Felger GIA Certified 5.40 Carat Star Sapphire Diamond White Gold Ring

F + F Felger GIA Certified 5.40 Carat Star Sapphire Diamond White Gold Ring

$2,900
4.90 Carat Blue Spinel Cushion, Unset Loose Gemstone, GIA Certified
By Sarosi By Timeless Gems
Located in Los Angeles, CA
This pretty blue spinel cushion weighs 4.90 carats and would make a beautiful 3-stone ring, though its shape lends itself to a variety of possibilities! It measures 11.13 x 8.86 x 6....
Category

21st Century and Contemporary American Artisan Loose Gemstones

Materials

Spinel

4.90 Carat Blue Spinel Cushion, Unset Loose Gemstone, GIA Certified
4.90 Carat Blue Spinel Cushion, Unset Loose Gemstone, GIA Certified

4.90 Carat Blue Spinel Cushion, Unset Loose Gemstone, GIA Certified

$3,430
5ct Flawless Pink Diamond Ring, TypeIIA - Rare Colors
By Rare Colors
Located in New York, NY
Discover a jewel so extraordinary it transcends time and trends. At the heart of this breathtaking statement ring is a remarkable 5.14-carat very light pink cushion-cut diamond—a tre...
Category

2010s Cocktail Rings

Materials

Pink Diamond, Rose Gold

5ct Flawless Pink Diamond Ring, TypeIIA - Rare Colors
5ct Flawless Pink Diamond Ring, TypeIIA - Rare Colors

5ct Flawless Pink Diamond Ring, TypeIIA - Rare Colors

$487,000
Vintage 14K Gold Burma No Heat 4.56ctw GIA Oval Blue Sapphire & Diamond Ring
Located in Montclair, NJ
--Stone(s):-- (1) Natural Genuine Sapphire - Oval Brilliant Cut - 6 Prong Set - Cornflower Blue Color w/ Natural Silk - No Heat - 4.20ct (exact - certified) **See Certification Detai...
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Blue Sapphire, 14k Gold, White Gold, Platinum

Vintage 14K Gold Burma No Heat 4.56ctw GIA Oval Blue Sapphire & Diamond Ring
Vintage 14K Gold Burma No Heat 4.56ctw GIA Oval Blue Sapphire & Diamond Ring

Vintage 14K Gold Burma No Heat 4.56ctw GIA Oval Blue Sapphire & Diamond Ring

$7,697
GIA Certified 15.87 Carat Emerald-Cut Diamond Solitaire Engagement Ring
Located in Zurich, CH
Magnificent 15.87 carat emerald-cut diamond solitaire engagement ring. Classic solitaire ring centering upon a stunning emerald-cut diamond of 15.87 carats, I / VVS2. The ring mount ...
Category

21st Century and Contemporary Swiss Contemporary Engagement Rings

Materials

Diamond, Gold, 18k Gold, Platinum, Rose Gold

GIA Certified 15.87 Carat Emerald-Cut Diamond Solitaire Engagement Ring
GIA Certified 15.87 Carat Emerald-Cut Diamond Solitaire Engagement Ring

GIA Certified 15.87 Carat Emerald-Cut Diamond Solitaire Engagement Ring

$926,400
Sparkling Flawless 2.11 Carat Blue Spinel Lotus Certified No Heat
Located in Hua Hin, TH
A Sparkling Flawless 2.11 carat Blue Spinel Lotus Certified Dimensions 7.67 x 6.91 x 4.52 mm Shape: Octagonal Faceted Cut Weight: 2.11 carat No Heat Lotus certified 7337-5059 Due to...
Category

2010s Loose Gemstones

Materials

Spinel

Sparkling Flawless 2.11 Carat Blue Spinel Lotus Certified No Heat
Sparkling Flawless 2.11 Carat Blue Spinel Lotus Certified No Heat

Sparkling Flawless 2.11 Carat Blue Spinel Lotus Certified No Heat

$1,320
W 0.31 in D 0.18 in L 0.28 in
1.56 Carat Natural Metallic Blue Zircon
Located in Hua Hin, TH
A beautiful sparkling Pear shaped 'Metallic Blue' Zircon from Ratanakiri, Cambodia. This 1.56 carat Blue Zircon has a gray tinge with a dusky blue color. Giving it the "Metallic Blu...
Category

2010s Cambodian Loose Gemstones

Materials

Zircon, Blue Zircon

1.56 Carat Natural Metallic Blue Zircon
1.56 Carat Natural Metallic Blue Zircon

1.56 Carat Natural Metallic Blue Zircon

$99 Sale Price
20% Off
W 0.24 in D 0.16 in L 0.28 in
Emeralds Maravellous 13.10 Carat Unheated Ceylon Blue Sapphire Diamond Ring
By Emeralds Maravellous
Located in US
Spectacular 18K white gold sapphire and diamond engagement ring containing 1 cushion cut natural Ceylon blue sapphire with no heat treatment weighing 11.89 carats and 2 brilliant cut...
Category

21st Century and Contemporary Contemporary Engagement Rings

Materials

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

Emeralds Maravellous 13.10 Carat Unheated Ceylon Blue Sapphire Diamond Ring
Emeralds Maravellous 13.10 Carat Unheated Ceylon Blue Sapphire Diamond Ring

Emeralds Maravellous 13.10 Carat Unheated Ceylon Blue Sapphire Diamond Ring

$43,898
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Cobalt Spinel For Sale on 1stDibs

Surely you’ll find the exact cobalt spinel you’re seeking on 1stDibs — we’ve got a vast assortment for sale. Frequently made of 18k gold, gold and white gold, this item was constructed with great care. 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 spinel — no matter the origin — is easy, but Merkaba and Niquesa each produced a popular version that is worth a look. An oval cut version of this piece has appeal, but there are also cushion cut and octagon cut versions for sale. When shopping for a cobalt 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 Spinel?

On average, a cobalt spinel at 1stDibs sells for $2,845, while they’re typically $410 on the low end and $97,500 for the highest priced versions of this item.
Questions About Cobalt Spinel
  • 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.
  • 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.
  • 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.

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