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Sapphire is a well-known and famous gemstone. Among them, this is a type that shows the star effect. With a hardness of 9, second only to diamond, sapphire is a highly durable and stable gemstone that is easy to care for. A penlight was used for photography. The back of the stone is basically unpolished. This is an unheated star sapphire from Sri Lanka.
This star sapphire from Ratnapura, Sri Lanka, with good transparency, was directly purchased in Sri Lanka.
・Type: Loose stone (natural stone)
・Gemstone name: Unheated Sri Lankan Star Sapphire
・Weight: 0.618ct
・Size: 4.8×4.0mm
・Shape: Cabochon cut
・Scratches/Chips: S
・Inclusions: -
・Remarks: ---
・Accessories: Karatz quality guarantee, loose stone case (clear zip-up case if it doesn't fit)
▷Jewelry customization available
If you wish to customize your jewelry, please order your desired setting from the link below along with your stone.
・【Select by Stone】Simple Order
・【Select by Stone】Semi-Order
*If you would like an image of the stone in a setting, would like to discuss a full custom order, or have any other questions or inquiries, please feel free to contact us here.
*Rough stones are not eligible. Also, some stones may not be eligible.
※ While we strive to ensure that the photos show the same colors as the actual product, there may be slight differences from the actual product due to lighting conditions during photography, your monitor environment, etc. Also, some photos may have been taken using a penlight.
※ For information on scratches, chips, treatments, and inclusions, please see here.
※ For other frequently asked questions, please see here.
karatz_item_id: 12562513
This star sapphire from Ratnapura, Sri Lanka, with good transparency, was directly purchased in Sri Lanka.
・Type: Loose stone (natural stone)
・Gemstone name: Unheated Sri Lankan Star Sapphire
・Weight: 0.618ct
・Size: 4.8×4.0mm
・Shape: Cabochon cut
・Scratches/Chips: S
・Inclusions: -
・Remarks: ---
・Accessories: Karatz quality guarantee, loose stone case (clear zip-up case if it doesn't fit)
▷Jewelry customization available
If you wish to customize your jewelry, please order your desired setting from the link below along with your stone.
・【Select by Stone】Simple Order
・【Select by Stone】Semi-Order
*If you would like an image of the stone in a setting, would like to discuss a full custom order, or have any other questions or inquiries, please feel free to contact us here.
*Rough stones are not eligible. Also, some stones may not be eligible.
※ While we strive to ensure that the photos show the same colors as the actual product, there may be slight differences from the actual product due to lighting conditions during photography, your monitor environment, etc. Also, some photos may have been taken using a penlight.
※ For information on scratches, chips, treatments, and inclusions, please see here.
※ For other frequently asked questions, please see here.
karatz_item_id: 12562513
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[Sales start 10 PM, May 6] Unheated Sri Lankan Star Sapphire 0.618ct Loose Stone
Sale price¥9,800
Regular price






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