















[Koshu precious stone Kiriko plusthree] Ametrine 2.445ct《Collaboration》 Loose with emblem
Ametrine allows you to enjoy both the purple of amethyst and the yellow of citrine. Amethyst and citrine are both types of quartz (crystal), and their gemstone name is ``bicolor quartz,'' and their Japanese name is violet citrine.
This is a new Koshu precious stone Kiriko ``light'' by Yoichi Fukasawa, the creator of Koshu precious stone Kiriko.
*This is a collaboration product between Yoichi Fukasawa and KARATZ.
A special patch is included.
Click here for the interview article with Yoichi Fukasawa →
Interview article with Yoichi Fukasawa
・Type: Loose (natural stone)
・Stone name: Ametrine
・Weight: 2.445ct
・Scratch/chip: S
・Inclusion: S
·remarks:---
・Accessories: Koshu precious stone cut card, Karatz quality guarantee card, case
▷For more information about ametrine
What kind of gemstone is ametrine? What is the value, how to care for it, are there any fakes or unheated natural products?
*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: 12542190
This is a new Koshu precious stone Kiriko ``light'' by Yoichi Fukasawa, the creator of Koshu precious stone Kiriko.
*This is a collaboration product between Yoichi Fukasawa and KARATZ.
A special patch is included.
Click here for the interview article with Yoichi Fukasawa →
Interview article with Yoichi Fukasawa
・Type: Loose (natural stone)
・Stone name: Ametrine
・Weight: 2.445ct
・Scratch/chip: S
・Inclusion: S
·remarks:---
・Accessories: Koshu precious stone cut card, Karatz quality guarantee card, case
▷For more information about ametrine
What kind of gemstone is ametrine? What is the value, how to care for it, are there any fakes or unheated natural products?
*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: 12542190
Choose options





![[Item 22602770] K18 Imperial Topaz Ring with Appraisal Report](http://store.karatz.jp/cdn/shop/files/P9150519_ffae7013-3f0d-4fdb-8f9f-5eb90aa529ac.jpg?v=1790385052&width=2808)
![[Item #22602735] [Colorifi] Pt900 Ice Blue Diamond (Treated) 0.24ct Diamond Ring with Appraisal Report](http://store.karatz.jp/cdn/shop/files/P8250622_1.jpg?v=1790468757&width=2909)

![[Item 22602816] [Colorify] 18K White Gold Brazilian Alexandrite 0.3ct and Diamond 0.15ct Pendant Top (Necklace Top) with Identification Report](http://store.karatz.jp/cdn/shop/files/collage_8f046476-0baf-4d8c-85e5-c5191a034f5b.png?v=1790384579&width=2000)
![[Item No. 22602776] [Colorify] K18WG Synthetic Alexandrite 3ct, Diamond 0.12ct Pendant Top (Necklace Top) with Appraisal Report](http://store.karatz.jp/cdn/shop/files/collage_34da1274-798c-43e8-8f6f-f24bf2453003.png?v=1790384145&width=2000)
![[Item 22602774] [Color-Full] K18WG 0.5ct Diamond Pendant Top (Necklace Top) with Appraisal Report](http://store.karatz.jp/cdn/shop/files/P9150979_f68cd6ee-1b43-48e4-869e-e1b048b3c891.jpg?v=1790383542&width=3197)
![[Item No. 22602792] [Colorify] Pt900 Spinel 0.35ct / Diamond 0.09ct Pendant Top (Necklace Top) with Appraisal Report](http://store.karatz.jp/cdn/shop/files/P9030056_6105baad-c7e9-4dce-a79d-7a2bc0fcad87.jpg?v=1790468168&width=4000)
![[Listing 12556682] Zambian Emerald 0.202ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P9160742_bb71837c-7be9-458d-95ef-7eda668728a7.jpg?v=1790426415&width=2731)
















![[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)

