![[On Sale March 28 at 10 PM] Limited 10 Stones: Plumeria Cut Carvings (Peridot, Blue Topaz, Citrine, Rose Quartz) - 1 Stone [Multiple Purchase Discount Available]](http://store.karatz.jp/cdn/shop/files/P3170072.jpg?v=1774615471&width=4000)
【4/12 22時販売】【カラフリ】K18WG グリーンクォーツ ペンダントトップ（ネックレストップ）
Sale price¥59,800
[12561482] Dumortierite in Quartz 5.830ct Loose Stone
Sale price¥29,800
Brazilian Paraiba tourmaline in quartz 0.819ct loose
Sale price¥14,800
Strawberry quartz from Kazakhstan 0.915ct loose
Sale price¥6,980
![[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
![[Use the 202601 Omakase Gacha] Brazilian Rutilated Quartz (Rutile/Rutilated Quartz (Rutilated Quartz)) Single Loose Stone (6.0-6.5mm, Beginner-Friendly) [Multiple Purchase Discounts Available]](http://store.karatz.jp/cdn/shop/files/P4190260.jpg?v=1713565915&width=4000)
![[Available at 10 PM on February 23rd] Limited to 12 stones. Newly arrived in Tucson: High-quality Brazilian Dumortierite in Quartz (faceted cut). Discounts available for multiple purchases.](http://store.karatz.jp/cdn/shop/files/collage_016e0e27-9ca2-4544-af8a-80e61801f764.png?v=1771777590&width=2250)
![[Available at 10 PM on March 8th] [New Arrivals in Tucson - Limited to 17 Stones] High-Quality Brazilian Dumortierite in Quartz with Excellent Transparency [Multiple Purchase Discounts Available]](http://store.karatz.jp/cdn/shop/files/P1010952.jpg?v=1771553165&width=4000)
![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)
![[Available at 10 PM on March 8th] [New Arrival in Tucson - Limited to 6 Stones] Brazilian Black Garden Quartz, Average 3.6ct [Multiple Purchase Discounts Available]](http://store.karatz.jp/cdn/shop/files/3_2d179769-a808-4247-a8ca-acaebb01add8.png?v=1771629023&width=1080)
![[Available at 10 PM on February 22nd] [Limited to 6 stones] Brazilian Dendritic Quartz (New in Tucson, Average Weight 2.5ct) [Multiple Purchase Discounts Available]](http://store.karatz.jp/cdn/shop/files/2_2234e2f9-8a38-45bf-b31c-4a7e59ad39ee.png?v=1771634563&width=1080)
![[Available at 10 PM on 2/21] Limited to 9 stones. Includes Koshu Kiriko plus three citrine gacha, normally priced at 29,800 yen. Discounts available for multiple purchases.](http://store.karatz.jp/cdn/shop/files/collage_f751d37d-74a9-49f1-bd56-d8e34d4510e9.png?v=1771038872&width=2250)
![Limited to 7 stones: Brazilian Limonite in Quartz, 1 loose stone (average 6 carats) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_10790d8c-055f-404e-b91b-4dc8a6f1ff16.png?v=1756029326&width=2000)
![[Available at 10 PM on February 2nd] Limited to 10 stones! Takeshi Yamamoto Cut Gemstone Gacha! Fire Flower Cut Rock Crystal and More! Discounts Available for Multiple Purchases!](http://store.karatz.jp/cdn/shop/files/2_6095cbcb-0dd3-4ab7-94b4-b22228432a93.png?v=1772620329&width=2000)
![[On Sale March 15th, 10 PM] Tucson New Arrivals - Limited to 11 Stones - Faceted Dumortierite in Quartz from Brazil [Multiple Purchase Discount Available]](http://store.karatz.jp/cdn/shop/files/collage_5f89eb5c-fa8d-4f4a-8c35-8b30c772f650.png?v=1773464382&width=2250)
Mica in Quartz 0.864ct Loose Stone
Sale price¥5,980
Mica in Quartz 0.760ct Loose
Sale price¥5,980
Mica in Quartz 0.588ct Loose Stone
Sale price¥5,980
Medusa Quartz (Paraiba Quartz) 1.666ct loose
Sale price¥18,800
Brazilian Medusa Quartz (Paraiba Quartz) 1.975ct Loose Stone
Sale price¥25,800
Brazilian Medusa Quartz (Paraiba Quartz) 0.400ct Loose
Sale price¥6,980
Lepidocrocite in Quartz 0.768ct Loose
Sale price¥7,980
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.