Ruby 0.678ct Ruth Japanese-German book

"Ruby has been admired as a gemstone since ancient times. It refers to red corundum. Ruby is the second hardest gemstone after diamond, with a hardness of 9. Ruby is also tough and stable, making it an easy-to-handle gemstone. A certificate of authenticity is included.It is a ruby ​​with high color saturation and high transparency.

・Type: Loose (natural stone)
・Stone name: Ruby
・Weight: 0.678ct
・Scratch/chip: S
・Inclusion: A+
・Note: Heating is being performed.
*Ruby is generally a heated gemstone.
・Accessories: Identification book (Japan-German Gem Research Institute), case

▷For more information about ruby
Ruby characteristics, production areas, characteristics by production area, value, etc.


▷Jewelry processing available If you would like jewelry processing, please place an 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 .
*If paying by credit card, the security company may contact you to confirm your identity.



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