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Newly appearing in the history of gemstones, this cobalt gahnite is a beautiful blue, much like the deep sea. It is a very new gemstone, discovered in Nigeria at the end of 2018. For more details on cobalt gahnite, please click here.
This is a Nigerian cobalt gahnite with high transparency and a captivating vivid blue color. You can enjoy its deep and clear coloration. A JTL appraisal certificate is included.
・Type: Loose stone (natural stone)
・Stone Name: Cobalt Gahnite
・Weight: 0.158ct
・Size: 3.2×2.5㎜
・Shape: Oval cut
・Scratches/Chips: S
・Inclusions: S-A+
・Accessories: Appraisal certificate (JTL (Jewel Trading Laboratory)), loose stone case (or zippered clear case if it doesn't fit)
▷Jewelry processing available
If you wish for jewelry processing, please order with your desired setting from the link below.
・【Choose from stone】Simple Order
・【Choose from stone】Semi-Order
*If you would like an image of the stone placed in a setting, want to consult about a custom order, or have any other questions, please feel free to contact us here.
*Rough stones are not eligible. Also, some stones may not be eligible.
※ While we strive to make the photos the same color as the actual product, there may be slight differences due to the lighting conditions during shooting and the monitor environment you are using. Also, some photos may be taken using a penlight.
※ For information on scratches, chips, treatments, and inclusions, please see here.
※ For other frequently asked questions, please see here.
karatz_item_id: 12563122
This is a Nigerian cobalt gahnite with high transparency and a captivating vivid blue color. You can enjoy its deep and clear coloration. A JTL appraisal certificate is included.
・Type: Loose stone (natural stone)
・Stone Name: Cobalt Gahnite
・Weight: 0.158ct
・Size: 3.2×2.5㎜
・Shape: Oval cut
・Scratches/Chips: S
・Inclusions: S-A+
・Accessories: Appraisal certificate (JTL (Jewel Trading Laboratory)), loose stone case (or zippered clear case if it doesn't fit)
▷Jewelry processing available
If you wish for jewelry processing, please order with your desired setting from the link below.
・【Choose from stone】Simple Order
・【Choose from stone】Semi-Order
*If you would like an image of the stone placed in a setting, want to consult about a custom order, or have any other questions, please feel free to contact us here.
*Rough stones are not eligible. Also, some stones may not be eligible.
※ While we strive to make the photos the same color as the actual product, there may be slight differences due to the lighting conditions during shooting and the monitor environment you are using. Also, some photos may be taken using a penlight.
※ For information on scratches, chips, treatments, and inclusions, please see here.
※ For other frequently asked questions, please see here.
karatz_item_id: 12563122
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[On sale June 7th, 10 PM] Nigerian Cobalt-bearing Gahnite, 0.158ct loose stone with gemological report
Sale price¥22,800
Regular price



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