![[10/10 22:00 Sale] [Rouge Cut] Brazilian Dumortierite in Quartz 1.493ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PA025585.jpg?v=1759754395&width=4000)
Italian leucite 0.130ct loose
Sale price¥8,800
Color change garnet from Madagascar 0.855ct loose
Sale price¥9,800
Color change garnet from Madagascar 0.648ct loose
Sale price¥8,800
Red spinel 0.195ct loose
Sale price¥5,980
Myanmar pink spinel 0.291ct loose stone
Sale price¥6,980
Myanmar Purple Spinel 0.872ct Loose Stone
Sale price¥8,800
Bicolor tourmaline 0.591ct loose (rose cut)
Sale price¥8,980
Bicolor tourmaline 0.435ct loose (rose cut)
Sale price¥5,980
Pink tourmaline 0.482ct loose stone
Sale price¥5,980
![[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)
[Option] Certificate issuance fee
Sale priceFrom ¥2,750
![[Jeweler's Tools] White penlight (for loose), loose 3-piece set](http://store.karatz.jp/cdn/shop/products/P61587871.jpg?v=1655341322&width=3748)
[Jeweler's Tools] White penlight (for loose), loose 3-piece set
Sale price¥5,980
![[Available from 10 PM on August 11th] Gemstone Encyclopedia Playing Cards + 4 Gemstones in a Gemstone Lucky Bag (Valued at 10,000 yen)](http://store.karatz.jp/cdn/shop/files/1000_x_1000_px_1.png?v=1725411516&width=1000)
1 dragon garnet stone (4.5mm, round cut)
Sale price¥5,980
![[On sale September 7th at 10 PM] Limited to 15 stones: ¥60,000 worth of Musgravite, Taaffeite, Cobalt Garnite, Spinel & Friends Gacha, and more (bonus: 1 Platinum Spinel) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_f5f33dc5-5eb0-473e-95ea-b3a1eaca4e19.png?v=1757146047&width=2000)
![[On sale September 5th at 10 PM] Limited to 20 stones: Russian Demantoid Garnet (Horsetail inclusions, approximately 2mm) Loose Stone [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010052_5323a44e-e18e-4219-94e5-7d7bb0ecab84.jpg?v=1756867452&width=4000)
![[On Sale at 10 PM on September 5th] [Limited to 7 stones] One loose, oil-free emerald from Russia (1.6-1.7mm, princess cut) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010159_ecbbab61-43da-45d3-aec5-d55f86bceafd.jpg?v=1756978823&width=3465)
![[Available at 10 PM on September 6th] Limited to 10 Blue Spinel Gacha - Includes 2 Cobalt Spinel (including color-shifted type) with Japanese and German appraisal certificates - Bonus Synthetic Cobalt Spinel (Multiple purchase discounts available)](http://store.karatz.jp/cdn/shop/files/collage_0e14cf1f-22a1-48b4-9f54-7e65505f2def.png?v=1757143868&width=2000)
![[3 sets left] Gemstone Gacha 💎 1 of the Three Great Gemstones Gacha + 2 Loose Pink Sapphires [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_f0fdc31d-db26-47b4-87a8-0511945601c1.png?v=1754019019&width=2000)
![[Jeweler's Tools] Limited Edition Chelsea Color Filter Emerald 2-Piece Set](http://store.karatz.jp/cdn/shop/files/collage_057412df-b83f-456f-b7c8-ff5d87550e46.png?v=1743666005&width=4000)
Additional fee +6,000 yen
Sale price¥6,000
![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)
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.