![[7/ 22:00 JST Release] Indian Green Phantom Quartz (Multiple Purchase Discount Available)](http://store.karatz.jp/cdn/shop/files/collage_c7b9ee75-56b2-4af7-baca-447dbced5e6a.png?v=1783296264&width=3000)
![[On sale July 5th at 10 PM] Limited to 17 stones! Brazilian Hematite in Quartz / Actinolite in Quartz (including those with identification certificates) - 1 stone loose. Multiple purchase discount available.](http://store.karatz.jp/cdn/shop/files/collage_bae01e15-0a31-4c5f-97be-03a01291a32d.png?v=1782952708&width=3000)
【7/16 22時販売】ブラジル産ライモナイトインクォーツ（オーロラクォーツ） 2.094ctルース
Sale price¥8,800
【7/16 22時販売】ブラジル産ライモナイトインクォーツ（オーロラクォーツ） 2.291ctルース
Sale price¥9,800
【7/17 22時販売】ブラジル産デンドリティッククォーツ 4.571ctルース
Sale price¥12,800
【7/17 22時販売】ブラジル産デンドリティッククォーツ 5.085ctルース
Sale price¥12,800
![[On sale May 10th, 10 PM JST] 6 Limited Pieces - Brazilian Mica in Rose Quartz (One stone), Multiple Purchase Discount Available](http://store.karatz.jp/cdn/shop/files/P5070688.jpg?v=1778245850&width=4000)
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 0.344ct Loose Stone
Sale price¥9,800
American Herkimer Diamond (Rock Crystal) 5.5mm/0.528ct Loose
Sale price¥8,800
![[Jeweler's Tools] 3 black light loose pieces (ruby, red spinel rough, oil-in-quartz) with rechargeable battery](http://store.karatz.jp/cdn/shop/files/collage_c90ad5e1-b47a-49f9-b7d7-d75e04cd883a.png?v=1724920180&width=2000)
![[Jeweler's Tools] Digital Caliper Color Shift Amethyst 2 Piece Set](http://store.karatz.jp/cdn/shop/files/PB074623.jpg?v=1699331046&width=4000)
[Jeweler's Tools] Digital Caliper Color Shift Amethyst 2 Piece Set
Sale price¥2,980
"PSYCHO-PASS" x KARATZ collaboration jewelry: Shogo Makishima razor design ring (amethyst)
Sale priceFrom ¥25,800
![[May 3, 10 PM JST Release] Dendritic Agate (Dendritic Quartz) Gacha - 1 Stone Loose Piece "Tucson New Arrivals / Limited 7 Stones" (Multi-Purchase Discount Available)](http://store.karatz.jp/cdn/shop/files/collage_a21961d5-944b-44ca-b713-5888dd00b791.png?v=1777552169&width=2250)
![Limited to 8 stones: Colombian mango quartz (up to 60 carats, average 21.6 carats) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/PA300162_a9e8f9be-8438-4ac9-b9c4-ab6cf29f7bbd.jpg?v=1762053108&width=4000)
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.