![Limited to 15 stones! Green Oregon Sunstone rough stone from the United States 💎 Average 1.5ct [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010641_f4c7d555-3bb5-449a-8005-44d9c3c16e9b.jpg?v=1725593703&width=4000)
![[5 sets left] Rainbow Garnet Rough Stone + 2 Loose Stones Set from Tenkawa Village, Nara Prefecture [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/9_622850c1-b0a5-4d6d-a4b7-e4d8395feec1.png?v=1758934193&width=4000)
![Only one left! Brazilian dendritic quartz kitten cut loose stone (for beginners) (5mm) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_bee5ee11-c26d-47e0-9e94-2c270bbdf768.png?v=1760169992&width=2250)
![[On sale November 8th at 10pm] Limited to 7 stones: One loose Indian iolite sunstone (custom cut by Sanjay) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_9489ef58-06e2-4a71-886b-462d8b67ca0d.png?v=1762564474&width=2250)
![[On sale November 8th at 10pm] Limited to 9 stones: Carving Gacha (Opal, Tourmaline, Tsavorite Garnet) 1 loose stone [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_3c1f4b82-5dc0-4183-a4c0-c9d7900fd6ab.png?v=1762565061&width=2250)
![[Only one left] Zimbabwean blue apatite, UV type, 1 loose stone [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_35e5ad91-84a2-43f3-9184-9cd4d967c201.png?v=1724399039&width=2000)
![Limited to 9 stones: 1 loose Australian opal (faceted cut) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/15_dc816088-689d-48f9-a277-773d85ed082c.png?v=1759454434&width=1500)
Brazilian Paraiba Tourmaline Ring and Half Eternity Ring Set (1.2mm)
Sale price¥188,000
![[On sale November 1st at 10 PM] [Limited to 12 stones] Brazilian Indigolite Tourmaline Gacha Loose Stone (4x3mm, Oval Cut) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/PA230072.jpg?v=1761804822&width=4000)
![[Sales start November 2nd at 10 PM] [Limited to 10 stones] Tanzanite rough gacha including bicolor pink tanzanite rough (average 4.2 carats) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_5799e77a-97c8-4d6c-b77b-dec5271cc0a0.png?v=1762053625&width=2250)
![[On sale November 8th at 10pm] Limited to 8 stones: Synthetic Alexandrite Loose Stone (Custom cut by Mr. Sanjay, Shield cut, Octagonal cut, etc.) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_f39b4280-e930-40c9-acc6-afe7cbefab9e.png?v=1762563420&width=2250)
![[Available at 10 PM on November 24th] Limited Edition (12 stones) VS Equivalent Fluorescent Diamond Gacha with Bonus Mini Slice Diamond (Multiple Purchase Discounts Available)](http://store.karatz.jp/cdn/shop/files/collage_965e8bbc-496a-4aa0-83f4-97a96ea2d155.png?v=1763891564&width=2250)
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.