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The famous stone sapphire is a well-known gemstone. It is made from the same mineral corundum as ruby, but all corundum other than red is called sapphire. This is the most orthodox blue sapphire. Sapphire has a hardness of 9, making it the second hardest gemstone after diamond, and is also highly tough and stable, making it easy to care for.
Type: Loose (natural stone)
・Stone name: Blue sapphire
Weight: 0.740ct
・Size: 5.4 x 3.9 mm
Shape: Custom cut
・Scratches/chips: S
・Inclusions: Note: Heating is in progress.
*Sapphires are generally gemstones that have been heated.
・Accessories: Caratz quality guarantee, loose case (if it does not fit, a clear zip case)
▷Jewelry processing available
If you would like to have your item made into jewelry, please order it along with your desired setting using 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: 12556954
Type: Loose (natural stone)
・Stone name: Blue sapphire
Weight: 0.740ct
・Size: 5.4 x 3.9 mm
Shape: Custom cut
・Scratches/chips: S
・Inclusions: Note: Heating is in progress.
*Sapphires are generally gemstones that have been heated.
・Accessories: Caratz quality guarantee, loose case (if it does not fit, a clear zip case)
▷Jewelry processing available
If you would like to have your item made into jewelry, please order it along with your desired setting using 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: 12556954
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Thai Blue Sapphire 0.740ct Loose
Sale price¥15,800
Regular price



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