Mexican water opal 0.212ct loose (contrarus opal)
Sale price¥18,800
Goshenite 1.620ct loose
Sale price¥15,800
Goshenite 1.989ct loose
Sale price¥18,800
Diaspore 1.209ct loose from Türkiye
Sale price¥15,800
Bicolor Zoisite 1.210ct loose
Sale price¥15,800
Danburite 1.427ct loose stone
Sale price¥3,980
Bicolor chrysoberyl from Madagascar 1.590ct loose
Sale price¥19,800
Bicolor chrysoberyl from Madagascar 1.520ct loose
Sale price¥18,800
![[12/7 22:00] Tanzanian Zoisite 1.312ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC052795_87a82d9b-570c-4ae4-b889-ab9a76d6a0c7.jpg?v=1765587236&width=3276)
[12/7 22:00] Tanzanian Zoisite 1.312ct Loose Stone
Sale price¥18,800
![[12/10 22:00] Mali Garnet (Grossular/Andradite Garnet) 1.008ct Loose Stone from the Republic of Mali with Certificate of Authenticity](http://store.karatz.jp/cdn/shop/files/PC031988.jpg?v=1765589363&width=4000)
![[12/12 22:00 Sale] Brazilian Dumortierite in Quartz 1.131ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC032210.jpg?v=1765630403&width=4000)
[12/12 22:00 Sale] Brazilian Dumortierite in Quartz 1.131ct Loose Stone
Sale price¥12,800
Brazilian Euclase 1.240ct loose
Sale price¥19,800
![[12/22 22:00] Red Coral (Coral) 1.406ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC105323_672699ff-9f8c-401b-83de-fb68168bb9d2.jpg?v=1766287829&width=2966)
[12/22 22:00] Red Coral (Coral) 1.406ct Loose Stone
Sale price¥12,800
![[12/22 22:00] Red Coral (Coral) 1.467ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC105283_62c2de18-0ec8-4ca9-bc5d-1b9ab5b3245a.jpg?v=1766287830&width=3153)
[12/22 22:00] Red Coral (Coral) 1.467ct Loose Stone
Sale price¥15,800
[12/23 22:00] Mexican Fire Opal 1.283ct Loose
Sale price¥29,800
[12/23 22:00] Mexican Fire Opal 1.413ct Loose
Sale price¥39,800
![[12/21 22:00] Sri Lankan Blue Sapphire 1.008ct Loose](http://store.karatz.jp/cdn/shop/files/PC093903_695e167e-75d5-4a62-9b62-e2a093e7db50.jpg?v=1766221998&width=3058)
[12/21 22:00] Sri Lankan Blue Sapphire 1.008ct Loose
Sale price¥69,800
![[12561695] Australian White Opal 1.928ct Loose](http://store.karatz.jp/cdn/shop/files/PC104555.jpg?v=1766494999&width=4000)
[12561695] Australian White Opal 1.928ct Loose
Sale price¥39,800
![[On Sale at 10 PM on December 21st] Madagascar Bicolor Sapphire 5.8mm/1.006ct Loose](http://store.karatz.jp/cdn/shop/files/PC093540.jpg?v=1766222404&width=4000)
Oregon Sunstone 1.157ct loose
Sale price¥8,800
South African rhodochrosite 1.333ct loose Japanese-German edition
Sale price¥98,000
Mexican Fire Opal 4.5mm/0.244ct Loose
Sale price¥9,800
![[12/16 22:00] Brazilian Rose Quartz 1.848ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC053183_c77f5c66-523a-4bc8-91b8-7ec5090427d6.jpg?v=1765757287&width=4000)
[12/16 22:00] Brazilian Rose Quartz 1.848ct Loose Stone
Sale price¥9,800
YAG (Yttrium Aluminum Garnet) 7mm/1.775ct Loose Stone
Sale price¥9,800
Sri Lankan star sapphire 1.487ct loose
Sale price¥8,800
Aventurine Aquamarine Cat's Eye 1.567ct Loose
Sale price¥4,980
[11/29 22:00 Sale] Tanzanian Almandine Garnet 1.282ct Loose Stone
Sale price¥13,800
[12/2 22:00] Tanzanian Almandine Garnet 1.164ct Loose Stone
Sale price¥12,800
![[12/15 22:00] Tanzanian Almandine Garnet 6.4mm/1.271ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PB141041_c9a32be9-19cd-4cd6-bd95-3411fa020fb2.jpg?v=1765689867&width=3230)
[12/15 22:00] Tanzanian Almandine Garnet 6.4mm/1.271ct Loose Stone
Sale price¥12,800
[11/26 22:00 Sale] Sri Lankan Pink Zircon 1.991ct Loose
Sale price¥29,800
[11/18 22:00 Sale] Australian Prehnite 1.705ct Loose Stone
Sale price¥9,800
[11/18 22:00 Sale] Australian Prehnite 1.691ct Loose Stone
Sale price¥9,800
Felspar 1.478ct loose from Sri Lanka
Sale price¥3,980
Felspar 1.939ct loose from Sri Lanka
Sale price¥5,980
[11/16 22:00 Sale] Synthetic Rutile 1.407ct Loose Stone
Sale price¥18,800
[11/16 22:00 Sale] Synthetic Rutile 1.020ct Loose Stone
Sale price¥18,800
[11/22 22:00] Sri Lankan Hessonite Garnet 1.968ct Loose Stone
Sale price¥12,800
[12544897 published] Bicolor sapphire 1.341ct loose
Sale price¥29,800
[11/10 22:00 Sale] Silky Pink Sapphire from Madagascar 1.050ct Loose GIT
Sale price¥128,000
![[12/15 22:00 Sale] Tanzanian Rhodolite Garnet 1.935ct Loose Stone with Certificate of Authenticity](http://store.karatz.jp/cdn/shop/files/PB070277.jpg?v=1764030167&width=4000)
[12/1 22:00 Sale] Madagascar Sphene 1.864ct Loose Stone
Sale price¥45,800
[11/20 22:00 Sale] Tanzanian Almandine Garnet 1.564ct Loose Stone
Sale price¥12,800
Brazilian bicolor tourmaline 1.764ct loose
Sale price¥32,800
Brazilian bicolor tourmaline 1.565ct loose
Sale price¥19,800
Tinker Bell Quartz (Pink Fire Quartz) 1.664ct Loose (Faceted Cut)
Sale price¥12,800
Why not take your favorite gemstone that you found at KARATZ and have it made into custom-made jewelry? It will be made by skilled Japanese craftsmen.
We carefully craft each piece of jewelry, starting with the stone setting, to match the individual characteristics of the gemstone.
So that more people can feel closer to jewellery and enjoy it easily.
We will introduce KARATZ's thoughts on products, the attention to detail and efforts in selecting gemstones and creating jewelry.
KARATZ's Initiatives and Social Contributions
We will introduce KARATZ's efforts, including nurturing the next generation and business collaboration to develop the industry, and supporting children in Sri Lanka, the land of jewels.
KARATZ Books
These are books that KARATZ has been involved in writing, supervising, and planning. They are all books that allow you to enjoy gemstones from various angles. You can also purchase them directly.
jeweler's tools
For those who want to enjoy jewelry more but don't know what tools to use, we will introduce tools that are also used by KARATZ staff. You can also purchase them directly.