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[Sale on June 7 at 10 PM] Sri Lankan Cobalt Spinel 4.7mm/0.461ct Loose Stone (Japan-Germany certified)

Sale price¥69,800

This beautiful blue. This hard brilliance with a Mohs hardness of 8. "Blue spinel" is not necessarily "cobalt spinel"; rather, "cobalt spinel" refers to spinel in which a cobalt band has been confirmed.

This is a cobalt spinel from the Okkampitiya mine in Sri Lanka. It features a 4.6mm round cut, high transparency, and you can enjoy its vivid cobalt blue. Okkampitiya is known as a source of particularly beautiful cobalt spinel in Sri Lanka. It comes with an appraisal certificate from the Japan-Germany Gemological Institute.

・Type: Loose stone (natural stone)
・Stone name: Cobalt Spinel
・Weight: 0.461ct
・Size: 4.6×4.7㎜
・Shape: Round cut
・Scratches/Chips: S
・Inclusions: S-A+
・Notes: ---
・Accessories: Appraisal certificate (Japan-Germany Gemological Institute), loose stone case (if it doesn't fit, a clear zippered case)

▷Jewelry customization available
If you wish to customize your jewelry, please order your desired setting together with the stone from the link below.
Simple Order [Choose from stones]
Semi-Order [Choose from stones]
※If you would like an image of the stone placed in a setting, would like to discuss a full 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.

※ We strive to ensure that the photos show the same color as the actual product, but due to lighting conditions during photography, your monitor environment, etc., the actual product may appear slightly different. In addition, 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: 12563200