![[On Sale 3/7 at 10 PM] Limited Edition (36 stones) Brazilian Paraiba Tourmaline (Batalha Mine) Gacha 💎 Regular price: ¥45,800 (Includes sorting and unheated stones) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/2_87adc14c-7e61-42ee-9e05-2c7e2001346d.png?v=1771548558&width=1080)
Green tourmaline 0.090ct loose stone
Sale price¥5,980
Zambian Canary Yellow Tourmaline 0.158ct Loose Stone
Sale price¥9,800
Blue Tourmaline 1.460ct Loose Stone Japan-Germany Exchange
Sale price¥39,800
Bicolor Tourmaline 0.649ct Loose Stone, Japan-Germany
Sale price¥12,800
Unheated Bicolor Paraiba Tourmaline 0.092ct Loose GIA
Sale price¥188,000
Bicolor Paraiba tourmaline 2.477ct loose DGL version
Sale price¥298,000
[12562399] Pink tourmaline 0.440ct loose stone
Sale price¥9,800
![[On Sale at 10 PM on March 12th] Brazilian Blue Tourmaline 0.819ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P3038538_dc090c9c-694c-40d8-a18a-ced42dddaca1.jpg?v=1773096880&width=2891)
Brazilian Paraiba tourmaline in quartz 1.602ct loose
Sale price¥39,800
Watermelon tourmaline 3.403ct loose
Sale price¥3,980
![[On Sale 3/1 at 10pm] Brazilian Blue Tourmaline in Quartz 9.251ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P2255574_d205708a-79bf-404d-a1f8-7b0b57436d26.jpg?v=1772241906&width=4000)
![[On Sale at 10 PM on March 14th] Brazilian Blue Tourmaline in Quartz 4.256ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P2255548_5c30bb4d-6a4b-45a3-b21f-2216e78c57ff.jpg?v=1773215145&width=3423)
![[On Sale 3/1 at 10pm] Brazilian Blue Tourmaline in Quartz 3.379ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P2255462_470917fa-f79b-49f8-ad57-f8fa507599f7.jpg?v=1772241907&width=3306)
Green tourmaline 1.687ct loose
Sale price¥12,800
Green tourmaline 2.144ct loose
Sale price¥24,800
Bicolor Tourmaline 9.0mm/2.507ct Loose
Sale price¥29,800
Green tourmaline 3.334ct loose
Sale price¥25,800
Green tourmaline 6.069ct loose (marron cut) Japanese-German book
Sale price¥69,800
Paraiba tourmaline from Mozambique 0.240ct loose
Sale price¥29,800
Paraiba tourmaline from Mozambique 0.414ct loose
Sale price¥45,800
Paraiba tourmaline from Mozambique 0.246ct loose
Sale price¥35,800
![[Available at 10 PM on February 11th] Limited Edition of 16 Blue Stones: Bicolor Benitoite, Brazilian Paraiba Tourmaline, Santa Maria Aquamarine, and More. Discounts available for multiple purchases.](http://store.karatz.jp/cdn/shop/files/collage_f302a2d9-a4c4-45a3-8756-cdacceb9d0a2.png?v=1770270137&width=2250)
![Limited to 20 stones: Brazilian Paraiba tourmaline (cabochon cut, approximately 2.2 mm) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/PC190060_c4f87b12-3b41-4e2d-a32f-2338f4edfd21.jpg?v=1766651520&width=4000)
![[Option] Paraiba Tourmaline component analysis sorting issuance fee](http://store.karatz.jp/cdn/shop/products/P6062508_58dd99d0-190a-4656-98c6-53c5ff54428e.jpg?v=1680959036&width=4000)
[Option] Paraiba Tourmaline component analysis sorting issuance fee
Sale price¥5,000
Brazilian Paraiba Tourmaline Ring and Half Eternity Ring Set (1.2mm)
Sale price¥198,000
![[Option] Paraiba tourmaline analysis report attached identification certificate issuance fee](http://store.karatz.jp/cdn/shop/products/f763614f5a2c22bc430c_a6f4f3a6-fd1b-4378-a11f-025dc9964731.jpg?v=1633481198&width=4000)
![[On Sale at 10 PM on February 19th] Brazilian Pink Tourmaline 6.782ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P2100254_4fbc79f0-34d1-420a-a345-96cae757d473.jpg?v=1771377581&width=3091)
![[On sale at 10pm on 2/8] Zambian Bicolor Tourmaline 4.142ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC093867_fc5ad345-27e9-4c73-8dc5-86a3a45ecd93.jpg?v=1770416677&width=3046)
[On sale at 10pm on 2/8] Zambian Bicolor Tourmaline 4.142ct Loose Stone
Sale price¥98,000
Tourmaline 0.731ct loose
Sale price¥5,980
Green tourmaline 2.007ct loose
Sale price¥29,800
Green tourmaline 0.388ct loose
Sale price¥8,800
Paraiba tourmaline from Brazil 0.162ct loose
Sale price¥69,800
Paraiba tourmaline from Brazil 0.097ct loose
Sale price¥22,800
Green tourmaline 1.258ct loose
Sale price¥29,800
Paraiba tourmaline from Brazil 0.129ct loose (Cu:0.6%,MnO:0.9%)
Sale price¥29,800
Bicolor tourmaline 3.242ct rough stone from Afghanistan
Sale price¥5,980
Green tourmaline 0.389ct loose
Sale price¥8,800
Ubaite/dravite tourmaline 3.157ct rough stone
Sale price¥6,980
Paraiba tourmaline from Brazil 0.132ct loose (CuO:2.1%.MnO:2.2%)
Sale price¥188,000
![[On Sale at 10 PM on January 21st] Brazilian Green Tourmaline 1.233ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P1159691_398f8f12-4f6e-4d7f-8173-0e3910d84df0.jpg?v=1768826939&width=2896)
Paraiba tourmaline from Mozambique 0.270ct loose
Sale price¥18,800
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.