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Sapphire is a famous stone. The mineral is corundum, the same as ruby, but all corundum other than red is called sapphire, so there are various color variations. Sapphire is the second hardest gemstone after diamond, with a hardness of 9. It has high hardness, toughness, and stability, making it an easy-to-handle gemstone. This is a sapphire with a color called ice blue sapphire. A sapphire with a special cut.
・Type: Loose (natural stone)
・Stone name: Sapphire
・Weight: 3.813ct
・Scratches/chips: A+
・Inclusion: S
・Note: Usually heated.
*Generally, sapphires are gemstones that have been heated, but this is a product for which heating could not be determined through standard inspection using a microscope, etc. Determining whether the product is heated or not requires advanced testing by an identification organization.
・Accessories: Karatz quality guarantee card, case
▷For more information about sapphire
Sapphire characteristics, types, characteristics by region of origin, fakes, value standards, etc.
*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 .
*If paying by credit card, the security company may contact you to confirm your identity.
karatz_item_id: 12538052
・Type: Loose (natural stone)
・Stone name: Sapphire
・Weight: 3.813ct
・Scratches/chips: A+
・Inclusion: S
・Note: Usually heated.
*Generally, sapphires are gemstones that have been heated, but this is a product for which heating could not be determined through standard inspection using a microscope, etc. Determining whether the product is heated or not requires advanced testing by an identification organization.
・Accessories: Karatz quality guarantee card, case
▷For more information about sapphire
Sapphire characteristics, types, characteristics by region of origin, fakes, value standards, etc.
*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 .
*If paying by credit card, the security company may contact you to confirm your identity.
karatz_item_id: 12538052
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Ice blue sapphire 3.813ct loose
Sale price¥49,800
Regular price





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