[On sale at 10pm on 10/20] Tanzanian cobalt spinel (blue spinel) 0.118ct loose stone, Japan-Germany

This beautiful blue. This hard shine with a Mohs hardness of 8. "Blue spinel" does not mean "cobalt spinel", but "cobalt spinel" is a spinel with a confirmed cobalt band. This is a cobalt spinel with a confirmed cobalt band. It comes with sorting from the Japan-Germany Gemstone Institute.

Type: Loose (natural stone)
・Stone name: Cobalt spinel
Weight: 0.118ct
・Size: 3.8 x 2.4 mm
Shape: Pear shape
・Scratches/chips: S
Inclusions: A+
·remarks:---
・Accessories: Sorting (Japan-Germany Jewelry Research Institute), Caratz quality certificate, loose case (if it does not fit, a clear case with zip)

▷We accept jewelry processing.If you would like to have your jewelry processed, please order along with the frame of your choice from the link below.
・[Select by stone] Simple order
・[Select from stones] Semi-custom
*If you would like an image of the stone in the frame, would like to discuss a full order, or have any other concerns or questions, please feel free to contact us here .
*Raw stones are not available. There are also some stones that cannot be handled.

*We try to make the colors in the photos as close as possible to the actual product, but they may look slightly different from the actual product depending on the lighting conditions at the time of shooting and the monitor environment you are using. Also, some photos may have been taken using a penlight.

*For information on scratches, chips, treatments, and inclusions, please click here .

*For other frequently asked questions, please click here .


karatz_item_id: 12541901