Skip to content

[On sale from 10pm on 5/30] Nigerian Blue Garnite 0.794ct Loose Stone, Japan-Germany Quantity

Sale price¥79,800

Did you know that spinel, the August birthstone and popular for its wide variety of colors, is actually the name of a group? What is usually called spinel is the type that is mainly composed of magnesium. This is gahnite, where the magnesium has been replaced with zinc. Enjoy the straight sparkle that is somewhat similar to spinel. This is a large-sized gemstone of blue gahnite. Comes with a certificate of authenticity from the Japan-Germany Gemological Institute.

Type: Loose (natural stone)
・Stone name: Gahnite
・Weight: 0.794ct
Size: 5.6 x 4.4 mm
・Scratches/chips: S
Inclusions: A+
・Accessories: Certificate of Authenticity (Japan-Germany Gemstone Research Institute), case

▷For more information about Gahnite
Cobalt garnite is becoming more and more popular! What are its origins, characteristics, and differences from garnospinel?


▷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 by stone] 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 .
*If you pay by credit card, the security company may contact you to verify your identity.



karatz_item_id: 12537900