
















[Sale on June 7 at 10 PM] Nigerian Cobaltian Garnet 0.154ct Loose Gemstone with Certificate
Cobalt gahnite, a beautiful deep-ocean blue, has made a new appearance in the history of gemstones. It's a very new gemstone, discovered in Nigeria at the end of 2018. For more details about cobalt gahnite, please click here.
This is a Nigerian-produced cobalt gahnite, featuring high transparency and a captivating vibrant blue. You can enjoy its rich and clear coloration. A JTL鉴别书 (JTL gem identification report) is included.
・Type: Loose stone (natural stone)
・Stone name: Cobalt Gahnite
・Weight: 0.154ct
・Size: 3.2×2.5㎜
・Shape: Oval cut
・Scratches/Chips: S
・Inclusions: S
・Accessories: Gem identification report (JTL (Jewel Trading Laboratory)), loose stone case (if it doesn't fit, a clear zippered case)
▷Jewelry customization available
If you wish for jewelry customization, please order it along with your desired setting from the link below.
・【Choose a stone】Simple Order
・【Choose a stone】Semi-Order
*If you would like an image of the stone set in a frame, would like to consult about a full custom order, or have any other questions or inquiries, please feel free to contact us here.
*Rough stones are not eligible. Also, some stones may not be eligible.
※ While we strive to ensure that the photos have the same color as the actual product, there may be slight differences due to lighting conditions during shooting, monitor environment, etc. Also, some photos may have been 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: 12563120
This is a Nigerian-produced cobalt gahnite, featuring high transparency and a captivating vibrant blue. You can enjoy its rich and clear coloration. A JTL鉴别书 (JTL gem identification report) is included.
・Type: Loose stone (natural stone)
・Stone name: Cobalt Gahnite
・Weight: 0.154ct
・Size: 3.2×2.5㎜
・Shape: Oval cut
・Scratches/Chips: S
・Inclusions: S
・Accessories: Gem identification report (JTL (Jewel Trading Laboratory)), loose stone case (if it doesn't fit, a clear zippered case)
▷Jewelry customization available
If you wish for jewelry customization, please order it along with your desired setting from the link below.
・【Choose a stone】Simple Order
・【Choose a stone】Semi-Order
*If you would like an image of the stone set in a frame, would like to consult about a full custom order, or have any other questions or inquiries, please feel free to contact us here.
*Rough stones are not eligible. Also, some stones may not be eligible.
※ While we strive to ensure that the photos have the same color as the actual product, there may be slight differences due to lighting conditions during shooting, monitor environment, etc. Also, some photos may have been 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: 12563120
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[Sale on June 7 at 10 PM] Nigerian Cobaltian Garnet 0.154ct Loose Gemstone with Certificate
Sale price¥24,800
Regular price





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