Skip to content

Sapphire 0.628ct loose

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.

・Type: Loose (natural stone)
・Stone name: Sapphire
・Weight: 0.628ct
・Scratch/chip: S
・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 accept jewelry processing
If you would like to have jewelry processed, please place your order along with your desired frame from the link below.
[Choose from stones] Simple order
[Choose from stones] Semi-order
*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: 12514839