![[On Sale at 10 PM on December 7th] Rainbow Garnet (Andradite Garnet) 5.4mm/0.771ct Loose Stone from Tenkawa Village, Nara Prefecture](http://store.karatz.jp/cdn/shop/files/PC042513.jpg?v=1765589719&width=4000)
![[12/14 22:00 Sale] Rainbow Garnet (Andradite Garnet) 6.7mm/1.488ct Loose Stone from Tenkawa Village, Nara Prefecture](http://store.karatz.jp/cdn/shop/files/PC042544_6ede3236-d3e4-44d5-a190-93898fe1bd84.jpg?v=1765631000&width=4000)
![[On Sale at 10 PM on December 7th] Rainbow Garnet (Andradite Garnet) 2.365ct Loose Stone from Tenkawa Village, Nara Prefecture](http://store.karatz.jp/cdn/shop/files/PC042583_ed14c696-0ca4-428b-b133-1d94fcdbc792.jpg?v=1765631180&width=3170)
![[12/13 22:00] Brazilian Dumortierite in Quartz 1.779ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC052164_42ad1654-2515-4b7b-b323-95e863cc8ff9.jpg?v=1765587852&width=4000)
![[12/19 10 PM Sale] [Limited to 10 Stones] Zimbabwean Bicolor Euclase, Bicolor Sapphire, and More Bicolor Gacha 💎 Single Loose Stone [Multiple Purchase Discounts Available]](http://store.karatz.jp/cdn/shop/files/3_4a75e5d4-cac2-4117-b097-242c5719f969.png?v=1765357628&width=2000)
![[On sale at 10 PM on December 20th] [Limited to 11 stones] Diamond Gacha including VVS/4mm, VS/3mm, etc. worth ¥40,000 [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_25f32d41-70c6-4327-9a7b-a8542eb4094f.png?v=1765949321&width=2250)
![[On Sale 12/19 at 10 PM] [Only 3 left] Fancy or Fancy Intense pink diamond melee (1.0mm, round cut) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/S__225935380_a6b0d102-29b8-47f5-b54c-1c4192c6a30f.jpg?v=1766036992&width=1117)
![[On Sale 12/21 10 PM] {Limited Remaining} Red Gemstone Gacha Including Pigeon Blood Ruby AIGS Worth ¥60,000 💎 Rubies and Hot Pink Sapphires {Multiple Purchase Discounts Available}](http://store.karatz.jp/cdn/shop/files/6_f3cffe22-d312-49b8-a11f-f4328edaa0c6.png?v=1766057211&width=2000)
![[Available at 10 PM on December 20th] Limited Edition 10 Stones Rare Stone Gacha💎 Shinsha, Zimbabwean Euclase, Red Beryl, Star Peridot, and More! Discounts Available for Multiple Purchases](http://store.karatz.jp/cdn/shop/files/collage_b948d3d6-9cf6-463b-ab2e-73cf143b9cfa.png?v=1766185280&width=2250)
![[Available at 10 PM on December 20th] Limited Edition of 7 Montana Sapphires (Rock Creek Mine) Gacha (Pear Shape, Approx. 5 x 3mm) [Multiple Purchase Discounts Available]](http://store.karatz.jp/cdn/shop/files/PC160141.jpg?v=1766185869&width=4000)
![[Available at 10 PM on December 21st] Limited to 20 stones: Neon-colored Paraiba gacha containing Brazilian Paraiba tourmaline (CuO: 2.3%, MnO: 2.6%) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/7_f9f34301-eb3e-4d15-9da0-8f6e42a390b4.png?v=1766104838&width=2000)
【1/9 22時販売】ドイツ産アウイナイト 2.7mm/0.076ctルース
Sale price¥29,800
【1/9 22時販売】ドイツ産アウイナイト 0.083ctルース
Sale price¥35,800
【1/10 22時販売】非加熱ピジョンブラッドルビー 0.710ctルース AIGS
Sale price¥298,000
【1/9 22時販売】ブラジル産パライバトルマリン 0.115ctルース（CuO:2.0%,MnO:0.6%）
Sale price¥59,800
【1/9 22時販売】ブラジル産パライバトルマリン 0.361ctルース（CuO:1.0%,MnO:3.6%）
Sale price¥198,000
【1/9 22時販売】ブラジル産メデューサクォーツ（パライバクォーツ） 0.848ctルース
Sale price¥9,800
【1/9 22時販売】インド産パロットクリソベリルキャッツアイ 1.225ctルース
Sale price¥59,800
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.