![[On sale March 29 at 10 PM] Limited to 5 stones: Zambian Canary Yellow Tourmaline single loose stone (4.0mm/round cut) - Multiple purchase discount available](http://store.karatz.jp/cdn/shop/files/P3170094.jpg?v=1774616121&width=4000)
Green tourmaline 0.621ct loose stone
Sale price¥9,800
Green tourmaline 0.457ct loose stone
Sale price¥8,800
Kenyan chrome tourmaline 0.501ct loose stone
Sale price¥49,800
Bicolor tourmaline 1.198ct loose
Sale price¥12,800
Brazilian Paraiba tourmaline in quartz 0.819ct loose
Sale price¥14,800
Green tourmaline 0.090ct loose stone
Sale price¥5,980
Bicolor tourmaline 0.423ct loose
Sale price¥12,800
Bicolor tourmaline 0.552ct loose
Sale price¥12,800
Bicolor tourmaline 0.548ct loose
Sale price¥6,980
Green tourmaline 0.637ct loose
Sale price¥8,800
![[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)
![[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)
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
![[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
![[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
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.