
















[Koshu Precious Stones plusthree] Ametrine 7.238ct loose stone with patch
Ametrine allows you to enjoy both the purple of amethyst and the yellow of citrine. Both amethyst and citrine are types of quartz (crystal), and are called "bicolor quartz" in gemstone name and "shiousuishou" in Japanese.
This is the new Koshu Precious Stone Cut Glass plus three "Subaru" by Yoichi Fukazawa, the creator of Koshu Precious Stone Cut Glass.
A special patch is included.
Click here for the interview with Yoichi Fukasawa →
https://karatz.jp/kousyukisekikiriko-fukasawayouichi/
Type: Loose (natural stone)
・Stone name: Ametrine
Weight: 7.238ct
・Scratches/chips: S
Inclusions: S
·remarks:---
・Accessories: Koshu Precious Stone Cutting Card, Caratz Quality Guarantee (), Case
▷Learn more about Ametrine
What kind of gemstone is ametrine? What is its value? How do you care for it? Are there fakes or unheated natural ones?
*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: 12539679
Choose options



![Limited to 10 stones: Madagascar pink sapphire (heart-shaped, including padparadscha color, approximately 3 x 2.3 mm) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_af0c773f-5960-4051-9ae9-82d3098c4584.png?v=1787791015&width=2000)
![[On sale May 29th at 10 PM] "Checker x Sui" Koshu Kiseki Cut Mexican Fire Opal (usually 79,800 yen) Gacha with only 10 stones available. Win a Fire Opal (and receive one Contraluz!). [Multiple purchase discount available]](http://store.karatz.jp/cdn/shop/files/P8200835.jpg?v=1787563629&width=4000)
![[On sale May 29th at 10 PM] "Checker x Sui" Koshu Kiseki Cut Mexican Fire Opal (usually 79,800 yen) Gacha with only 10 stones available. Win a Fire Opal (and receive one Contraluz!). [Multiple purchase discount available]](http://store.karatz.jp/cdn/shop/files/P8200781.jpg?v=1787563557&width=4000)
![[On sale May 29th at 10 PM] "Checker x Sui" Koshu Kiseki Cut Mexican Fire Opal (usually 79,800 yen) Gacha with only 10 stones available. Win a Fire Opal (and receive one Contraluz!). [Multiple purchase discount available]](http://store.karatz.jp/cdn/shop/files/P8190709.jpg?v=1787563399&width=4000)























![[Jeweler's tools] 4-piece set including loupe (10x magnification), tweezers, and 2 loose stones](http://store.karatz.jp/cdn/shop/files/P4130575.jpg?v=1776126091&width=4000)
