![[Koshu Precious Stones Plusthree] Sky Blue Topaz 4.415ct Loose](http://store.karatz.jp/cdn/shop/files/P8030030.jpg?v=1714953345&width=4000)
![[Koshu Precious Stones Plusthree] Sky Blue Topaz 4.415ct Loose](http://store.karatz.jp/cdn/shop/files/P8030028_07115fcd-c175-433a-a0d1-344d8be090b5.jpg?v=1714953345&width=3905)
![[Koshu Precious Stones Plusthree] Sky Blue Topaz 4.415ct Loose](http://store.karatz.jp/cdn/shop/files/P8030032_dbf24a91-74ad-4def-be92-f1b39fae7adc.jpg?v=1691137990&width=4000)
![[Koshu Precious Stones Plusthree] Sky Blue Topaz 4.415ct Loose](http://store.karatz.jp/cdn/shop/files/P8030034.jpg?v=1691137990&width=4000)
![[Koshu Precious Stones Plusthree] Sky Blue Topaz 4.415ct Loose](http://store.karatz.jp/cdn/shop/files/P8030050.jpg?v=1691137989&width=4000)
[Koshu Precious Stones Plusthree] Sky Blue Topaz 4.415ct Loose
Blue topaz, with its attractive blue color, is one of the most popular colors among the many color variations of topaz. Among them, "sky blue topaz" refers to a pale, bright blue stone like this loose stone.
This is the new Koshu Precious Stone Cut Glass Plus Three by Yoichi Fukazawa, the creator of Koshu Precious Stone Cut Glass .
A special patch is included.
Type: Loose (natural stone)
・Stone name: Sky blue topaz
Weight: 4.415ct
・Scratches/chips: S
Inclusions: S
・Note: Irradiation treatment is usually performed.
*Blue topaz is generally a gemstone that has been irradiated.
・Accessories: Case
▷For more information about Blue Topaz
Blue Topaz | Skye, Switzerland, London: Which is the most valuable?
*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: 12544914
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