Cobalt spinel 0.959ct loose Japanese-German appraisal

This beautiful blue. This hard shine has a Mohs hardness of 8. "Blue spinel" does not necessarily mean "cobalt spinel"; anything with a confirmed cobalt band is called "cobalt spinel".

・Type: Loose (natural stone)
・Stone name: Cobalt spinel (cobalt band recognized)
・Weight: 0.959ct
・Scratch/chip: S
・Inclusion: S
·remarks:---
・Accessories: Identification book (Japan-German Gem Research Institute), case

▷For more information about spinel
Spinel characteristics, types, fakes, value standards, etc.


▷Jewelry processing available
If you would like to have jewelry processed, please place your order along with your desired frame from the link below.
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*If you would like a photo of a stone placed in a frame, would like to discuss a full order, or have any other questions or concerns, please feel free to contact us here .
*Rough stones are not available. There are also some stones that cannot be used.

*We try to make sure that the colors in the photos are the same as the real thing, but the colors may look slightly different from the real thing depending on the lighting at the time of shooting and the monitor environment you are using. In addition, some photos may be taken using penlights.

*Click here for information on scratches, chips, treatments, and inclusions.

*For other frequently asked questions, please click here .


karatz_item_id: 12520017