![[On Sale 10/13 at 10 PM] [Limited to 10 Stones] Bicolor Gacha 💎 Includes two Zimbabwean euclase stones (average 0.088 carats), a 1.03 carat bicolor sapphire, a bicolor chrysoberyl, and more. [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_3.png?v=1760322548&width=2250)
![[On Sale November 1st at 10 PM] [Limited to 11 Stones] Oregon Sunstone Gacha Loose Stone (Average 1.60ct) Including Koshu Precious Stones Cut Plus Three and Vortex Cut [Multiple Purchase Discounts Available]](http://store.karatz.jp/cdn/shop/files/collage_7ec015a3-593d-494a-ba24-c8947b0ccec9.png?v=1761877768&width=2250)
![[Available at 10/17 10 PM] Limited Stock! Color-Change Gacha! 💎 Burmese Color-Change Zircon, Color-Shift Sapphire, Color-Shift Cobalt Spinel, and More! Discounts Available for Multiple Purchases!](http://store.karatz.jp/cdn/shop/files/collage_f1788eec-4644-4777-ad3b-ad270d3bebc0.png?v=1760495748&width=2250)
![Gem Gacha💎 [Sanjay] Tanzanian Spinel (1 in 3 will be a Red Spinel) Loose Stone (Multiple Purchase Discounts Available)](http://store.karatz.jp/cdn/shop/files/collage_514bc053-4954-47b7-8221-98c1c0bf765d.png?v=1719542058&width=2000)
![[On Sale 10/10 at 10 PM] [Limited to 20 stones] Koshu Precious Stone Kiriko Plus Three: Includes two carefully cut Oregon Sunstones in the Loose Stone Gacha [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/4_8f2df3da-bc97-4608-9458-690b130f1d9c.png?v=1757667484&width=1000)
![[On Sale at 10 PM on October 12th] Limited to 3 Stones: Myanmar Gray Spinel and Platinum Spinel (4.0mm, Round Cut) Loose Stone [Multiple Purchase Discounts Available]](http://store.karatz.jp/cdn/shop/files/collage_6c5bf38c-d9f5-4ac3-a533-ca9ba3e95201.png?v=1760169379&width=2250)
[Dandelion Cut] Madagascar Sphene 6.0mm/0.935ct Loose Stone
Sale price¥55,800
![[Available at 10 PM on August 16th] [Limited to 9 stones] Spinel Gacha (August birthstone) including one bicolor spinel (0.93 ct) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010571_85f9831c-2c1f-45ba-bac5-05346852b5f9.jpg?v=1755304706&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.