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
Spinel
$1,000
W 0.23 in D 0.19 in L 0.26 in
AIG Certified 1.32 Carat Natural Loose Cobalt Spinel From Tanzania
Located in Peshawar, PK
Spinels, including cobalt spinel, are relatively hard gemstones, scoring 7.5 to 8 on the Mohs scale of hardness.
Spinel, Other
$890
W 0.27 in D 0.18 in L 0.36 in
AIG Certified 2.01 Carat Natural Loose Cobalt Spinel Oval Shape Gemstone
Located in Peshawar, PK
Spinels, including cobalt spinel, are relatively hard gemstones, scoring 7.5 to 8 on the Mohs scale of hardness.
Spinel, Other
$1,200
W 0.26 in D 0.19 in L 0.28 in
AIG Certified 1.53 Carat Natural Loose Cobalt Spinel Gemstone From Tanzania
Located in Peshawar, PK
Spinels, including cobalt spinel, are relatively hard gemstones, scoring 7.5 to 8 on the Mohs scale of hardness.
Spinel, Other
$1,200
W 0.3 in D 0.18 in L 0.31 in
GFCO Certified 2.17 Carat Natural Loose Blue Cobalt Spinel From Tanzania
Located in Peshawar, PK
Spinels, including cobalt spinel, are relatively hard gemstones, scoring 7.5 to 8 on the Mohs scale of hardness.
Spinel
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.
Spinel, Gold, 14k Gold, White Gold
GRS Certified 2.23 Cts Cobalt Spinel & Diamond Cocktail Ring. Collector's Item.
Located in Hong Kong, HK
Here is a super rare natural Cobalt Spinel and diamond ring. The certified cobalt Spinel is 2.23Cts.
Spinel, Diamond, White Diamond, 18k Gold, White Gold, Gold
$764
W 0.26 in D 0.19 in L 0.36 in
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 ...
Spinel
$5,801
H 0.11 in W 0.18 in L 0.25 in
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...
Spinel
$750Sale Price|25% Off
W 0.24 in D 0.15 in L 0.31 in
Certified 1.31 Carat Natural Loose Cobalt Blue Spinel From Tanzania
Located in Peshawar, PK
Spinels, including cobalt spinel, are relatively hard gemstones, scoring 7.5 to 8 on the Mohs scale of hardness.
Spinel, Other
$8,280Sale Price|40% Off
H 0.26 in W 0.4 in L 0.43 in
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...
Spinel
NEW Platinum 1.89ctw GIA NO HEAT Cushion Blue Spinel Brilliant Diamond Halo Ring
Located in Montclair, NJ
Stock Number: EG-910239716-22081712-EY --Certification Details:-- Laboratory: GIA Report Number: 2225462940 Shape: Cushion Cutting Style: Crown: Modified Brilliant Cut Cutting Style...
Diamond, Spinel, Platinum
$9,500
W 0.39 in D 0.18 in L 0.28 in
Natural Cobalt Blue Spinel Gemstone, Top Grade Spinel From Tanzania 3.14 CTs
Located in Peshawar, PK
Untreated and completely **natural**, this cobalt blue spinel showcases the gem’s authentic charm and rarity, as cobalt-colored spinels are among the most sought-after varieties in t...
Spinel
$2,550
W 0.31 in D 0.24 in L 0.36 in
Spinel Cobalt VIVID Blue 2.99Ct natural gemstone, Oval cut, Tanzania Certificate
By GRALJEWELRY
Located in Dublin, D
Natural Cobalt Blue Spinel gemstone from Tanzania! GFCO Laboratory certified Gemstone Color: VIVID Blue Gemstone Type: Spinel Gemstone size: 9.02x7.71x5.91mm Cut Grade: Very Good Cl...
Spinel
$2,150
W 0.3 in D 0.22 in L 0.4 in
Spinel Cobalt Blue 3.04Ct natural gemstone, Oval cut, Tanzania, GFCO certified
By GRALJEWELRY
Located in Dublin, D
Natural Cobalt Blue Spinel Loose gemstone Origin Tanzania!
Spinel
$336Sale Price|20% Off
W 0.24 in D 0.16 in L 0.25 in
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...
Spinel
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
Spinel
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.
Diamond, Spinel, Platinum
$7,900
W 0.33 in D 0.24 in L 0.39 in
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.
Spinel, 18k Gold, Rose Gold, White Gold, Yellow Gold, Platinum
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 with natural round bezel set diamonds set in 14 karat white gold. Lobster clasp closu...
Diamond, Spinel, Gold, 14k Gold, White Gold
$3,840Sale Price|10% Off
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...
Diamond, Spinel, 18k Gold, White Gold
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.
Spinel, Gold, 18k Gold, White Gold
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
Spinel
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 the Early 1950s.
Spinel, Black Spinel
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...
Spinel
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...
Spinel, White Diamond, Black Diamond, 18k Gold, White Gold
Grs & Gil Certified Cobalt Blue Spinel and Diamond Ring
Located in Hung Hom, HK
The ratio of the size, quantity and demand for Cobalt Blue Spinel is extraordinary. Putting all the factors together, Cobalt Spinel is perhaps the most expensive blue gemstone in t...
Diamond, Spinel, Gold, 18k Gold, White Gold
Sold
W 0.17 in D 0.12 in L 0.32 in
Glossy Pink Burmese Spinel 1.0 carats Emerald Cut Natural Loose Gemstone
Located in Bangkok, TH
This particular specimen boasts a striking 1.0 carat weight and is masterfully cut in an elegant emerald shape, enhancing its natural radiance. spinel spinel gem pink spinel mahe...
Spinel
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.
Spinel
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.
Spinel
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.
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.
Spinel
Sold
W 0.22 in D 0.13 in L 0.28 in
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.
Spinel
Sold
W 0.36 in D 0.2 in L 0.43 in
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. ...
Spinel
Sold
W 0.28 in D 0.19 in L 0.3 in
AIG Certified 2.11 Carat Natural Loose Cobalt Spinel Cushion Cut Gemstone
Located in Peshawar, PK
Spinels, including cobalt spinel, are relatively hard gemstones, scoring 7.5 to 8 on the Mohs scale of hardness.
Spinel, Other
Sold
W 0.27 in D 0.19 in L 0.36 in
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...
Spinel
'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.
Diamond, Spinel, Platinum
Sold
W 0.21 in D 0.17 in L 0.29 in
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.
Spinel
Sold
W 0.25 in D 0.19 in L 0.26 in
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.
Spinel
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
Spinel
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
Spinel
Sold
W 0.31 in D 0.19 in L 0.25 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 Weight: 1.79 Carat Cut: Oval No Heat
Spinel
Sold
W 0.24 in D 0.2 in L 0.33 in
Natural Spinel Cobalt blue Loose Gemstone 2.04 Ct., Certificate, cushion cut.
By GRALJEWELRY
Located in Dublin, D
Natural Spinel Cobalt blue Loose Gemstone 2.04 Ct., Certificate, cushion cut.
Spinel
Sold
W 0.31 in D 0.23 in L 0.36 in
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...
Spinel
Sold
W 0.29 in D 0.21 in L 0.42 in
Natural Cobalt Blue Spinel loose gemstone 3.50 ct, High quality, Origin Tanzania
By GRALJEWELRY
Located in Dublin, D
Natural Cobalt Blue Spinel loose gemstone 3.50 ct., High quality, Octagon cut, Origin Tanzania.
Spinel
Sold
W 0.27 in D 0.21 in L 0.34 in
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
Spinel
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 ...
Diamond, Pearl, Spinel, 18k Gold
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.
Sapphire, Spinel, White Gold
1.99 Carat Pear-Shaped Natural Ocean Blue Zircon
Located in Hua Hin, TH
Sparkling Pear-cut Ocean Blue Zircon This 1.99 carat Blue Zircon has an impressive fire and a vivid pure blue color. Giving it the "Ocean Blue" distinction Stone Weight: 1.99 carat...
Zircon, Blue Zircon
1.65 Carat Natural Loose Blue Sapphire Ring Gem
Located in Peshawar, PK
Loose Sapphire Weight: 1.65 Carats Dimension: 6.9x6.6x3.6 Mm Origin: Madagascar Africa Shape: Cushion Color: Blue Treatment: Non Certificate; On Demand Blue sapphire, with its mes...
Sapphire, Blue Sapphire
1.19 Carat Natural Violet Ceylon Spinel
Located in Hua Hin, TH
1.19 Carat Natural Violet Spinel from Sri Lanka (Ceylon) Dimension: 6.64 x 5.63 x 3.83 mm Weight: 1.19 Carat Shape: Cushion Cut No Heat GIL Certified Report No: STO2023010552110
Spinel
1.35 Carat Natural Loose Blue Sapphire Oval Shape Gemstone
Located in Peshawar, PK
Loose Blue Sapphire Weight: 1.35 Carats Dimension: 6.7 x 5.5 x 3.8 Mm Origin: Sri Lanka Treatment: Non Certificate: On Customer Demand Shape : Oval Sapphire, a gemstone of legendar...
Blue Sapphire
17 Carat Collector's Cambodian Blue Zircon
Located in Hua Hin, TH
Collectors Item: 17.03 carat Natural Blue Zircon from Ratanakiri, Cambodia. Blue zircons this high quality we have decided to give the title of 'Azure Blue' due to it being imbued wi...
Zircon, Blue Zircon
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...
Zircon, Blue Zircon
2.02 Carat Natural Metallic Blue Zircon
Located in Hua Hin, TH
Sparkling Pear-cut Metallic Blue Zircon This 2.02 carat Blue Zircon has a soothing grayish tinge with a dusky light blue color. Giving it the "Metallic Blue" distinction. Stone Wei...
Zircon, Blue Zircon
Lotus Certified 3.41 Carat Gray Spinel from Sri Lanka 'Ceylon'
Located in Hua Hin, TH
3.41 carat Gray Spinel from Sri Lanka (Ceylon) Lotus certified: 1468-8312 Shape: Antique Cushion Cutting style: Faceted, Crown Brilliant, Pavilion: Modified Step Color: Gray low satu...
Spinel
$2,400Sale Price|20% Off
4.37 Ct Natural Zoisite (Tanzanite) Unheated two colors Precision cutting
Located in bangkok, TH
Natural Unheated Zoisite (Tanzanite) perfect Precision cutting and Two colors Good Luster TZA-156 Stone Name: Natural Zoisite Tanzanite weight: 4.37 Carats size: 10.3*8.69*7.24mm ...
Tanzanite
Certified 3.24 Carat Faceted Blue Sapphire Oval Shape Gemstone
Located in Peshawar, PK
Loose Blue Sapphire Weight: 3.24 Carats Dimension: 9.8 x 7.9 x 4.5 Mm Origin: Sri Lanka Treatment: Heated Certificate: Available Sapphire, a gemstone of legendary beauty and end...
Blue Sapphire
$1,456Sale Price|20% Off
W 0.28 in D 0.19 in L 0.35 in
2.54 Carat AIGS Certified Blue Spinel Cushion Cut Natural Tanzanian Gemstone
Located in Bangkok, TH
Weight 2.54 carats Dimensions 8.76x7.04x4.73 mm Treatment none Origin Tanzania Clarity eye clean Cut Fancy Cushion Shape Cushion The 2.54 carat Blue Spinel Stone is an exquis...
Spinel
1.06 Carat Natural Pink Spinel from Burma No Heat
Located in Hua Hin, TH
1.06 Carat Natural Pink Spinel from Burma Dimension: 6.21 x 6.08 x 3.36mm Shape: Cushion Cut Weight: 1.06 Carat No Heat GIL Certified Report No: STO2022102151318
Spinel
1.05 Carat Indigo Blue Sapphire No Heat
Located in Hua Hin, TH
1.05 Carat Indigo Blue Sapphire from Ceylon Sri Lanka Dimensions: 6.00 x 5.55 x 4.28 mm Shape: Heart Faceted Weight: 1.05 carat Color: The dusky blue color of this gem earns it the L...
Blue Sapphire
0.93 Carat Natural Intense Pink Tourmaline
Located in Hua Hin, TH
A wonderful Rubellite Tourmaline with an intense pink color from the famous Umba River located in the great African nation, Tanzania. ID #: TRMC254 Weight: 0.93 Carats Shape: Oval C...
Tourmaline
5.75 Carat Natural Loose Morganite Cushion Shape Gemstone
Located in Peshawar, PK
Gemstone Type : Morganite Weight : 5.75 Carats Dimensions : 10.5 x 9.5 x 8.1 Mm Origin : Afghanistan Shape: Cushion Cut Color: Light Pink Certificate: On Demand Morganite is believ...
Morganite
$2,010
W 0.33 in D 0.27 in L 0.37 in
GFCO Certified Natural 4.02Ct Violet Spinel gemstone, Cushion cut, Tanzania
By GRALJEWELRY
Located in Dublin, D
Natural Spinel gemstone Laboratory certified GFCO Gemstone Color: Violet Gemstone Type: Spinel Gemstone size: 9.25x8.14x6.62mm Cut Grade: Very Good Clarity/Grade: VS Gemstone Shape:...
Spinel