![[On sale at 10 PM on November 24th] [Limited to 7 stones] Sri Lankan Star Sapphire (Loose) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/PB200371_c3076d59-ddd4-44cd-a2bc-c2c13f78b6f3.jpg?v=1763819038&width=3268)
![[On sale 11/29 at 10 PM] [Limited to 10 stones] Diamond Gacha including 3.2mm/F/VVS-1/EXCELLENT (H&C) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/68ad2cd6bb28522e6c281ee0201ddbf6.png?v=1763858496&width=2000)
![[Available at 10 PM on November 30th] Rare Stone Gacha 💎 Cinnabar, Brazilian Paraiba Tourmaline 0.21ct, Red Beryl, Benitoite, and Axinite (Multiple Purchase Discounts Available)](http://store.karatz.jp/cdn/shop/files/2_7507f0eb-5f93-4b43-bcb7-4f5a7d99e336.png?v=1763859868&width=1500)
Sri Lankan Chrysoberyl Cat's Eye 1.340ct Loose Stone
Sale price¥8,800
![[Sales start on Friday, January 16th at 10 PM] TV anime "Tokyo Ghoul" x KARATZ collaboration CCG Quinque pendant](http://store.karatz.jp/cdn/shop/files/KARATZ__1080x1080px.jpg?v=1767923591&width=4500)
![[On Sale at 10 PM on January 3rd] 2.393ct Synthetic Sapphire Loose Stone (Synthetic Blue Sapphire)](http://store.karatz.jp/cdn/shop/files/PC240349_7b32e96f-e6e1-40c1-a8df-2ca3e00b09d5.jpg?v=1767308435&width=3146)
![[On Sale at 10 PM on January 10th] Sri Lankan Golden Sapphire 0.649ct Loose](http://store.karatz.jp/cdn/shop/files/PC052449_a4b861d7-9f5a-4c81-99af-2ee7df8e864c.jpg?v=1767825067&width=3343)
![[On Sale at 10 PM on January 11th] 2.275ct Australian Black Opal Loose Stone (Double-Sided)](http://store.karatz.jp/cdn/shop/files/P1088453.jpg?v=1767942327&width=4000)
![[1/4 22:00 Sale] American Peridot 0.334ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC052248.jpg?v=1767484195&width=4000)
![[On Sale 12/6 at 10 PM] Diamond Gacha featuring a 0.072ct FANCY DEEP pink diamond, normally priced at ¥70,000. Also featuring VS-class ice blue diamonds and more. Discounts available for multiple purchases.](http://store.karatz.jp/cdn/shop/files/collage_cab0716c-5d20-4cc4-bf01-75ce12bf5a0c.png?v=1764985457&width=2250)
![[12/12 10 PM Sale] Limited to 15 stones! Includes a rare UNEVEN Fancy color gemstone (normally ¥39,800) and a 0.428ct Fancy color gemstone (¥69,800). Get one loose yellow diamond! Discounts available for multiple purchases.](http://store.karatz.jp/cdn/shop/files/2_1a4a844a-6404-4d6d-a755-05756d00b804.png?v=1765352749&width=2000)
![[12/17 22:00] Brazilian Dumortierite in Quartz 1.924ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC093131.jpg?v=1765758430&width=4000)
![[12/19 22:00 Sale] Brazilian Dumortierite in Quartz 1.995ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC093289.jpg?v=1765933121&width=4000)
![[12/19 22:00 Sale] Madagascar Bicolor Sapphire 3.6mm/0.232ct Loose](http://store.karatz.jp/cdn/shop/files/PC093361_cb3d810e-734e-4b87-a145-ee00b9282808.jpg?v=1765933327&width=2815)
![[12/19 22:00 Sale] Madagascar Bicolor Sapphire 4.5mm/0.637ct Loose](http://store.karatz.jp/cdn/shop/files/PC093451.jpg?v=1766099374&width=4000)
![[On Sale at 10 PM on January 10th] Mexican Cantera Opal 8.432ct Loose](http://store.karatz.jp/cdn/shop/files/PC094449.jpg?v=1767824877&width=4000)
[On Sale at 10 PM on January 10th] Mexican Cantera Opal 8.432ct Loose
Sale price¥39,800
![[1/3 22:00 Sale] Australian Black Opal 0.825ct Loose](http://store.karatz.jp/cdn/shop/files/PC104603.jpg?v=1767104206&width=4000)
![[1/11 22:00 Sale] Sri Lankan Star Sapphire 3.317ct Loose](http://store.karatz.jp/cdn/shop/files/PC105054.jpg?v=1767910913&width=4000)
[1/11 22:00 Sale] Sri Lankan Star Sapphire 3.317ct Loose
Sale price¥59,800
![[On Sale at 10 PM on January 10th] Kenyan Tsavorite 0.806ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC094018_8f576a5d-1bc3-42b7-ac49-d7f247927092.jpg?v=1767825176&width=3169)
[On Sale at 10 PM on January 10th] Kenyan Tsavorite 0.806ct Loose Stone
Sale price¥39,800
![[12/22 22:00] Australian Black Opal 0.623ct Loose](http://store.karatz.jp/cdn/shop/files/PC104792_b012bb72-9a2e-4edc-9073-945d6e29acd1.jpg?v=1766288265&width=3223)
![[12/22 22:00] Sri Lankan Blue Sapphire 0.645ct Loose](http://store.karatz.jp/cdn/shop/files/PC094150_085972b7-dff6-42bb-8830-f50e160129b5.jpg?v=1766288263&width=3010)
![[Sakura In-Cut] Oregon Sunstone from the United States, 6.0mm/0.685ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC251256_0508040a-035b-45e1-bd57-e3f12fff88e1.jpg?v=1767910815&width=3356)
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.