![[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)
![[12/13 22:00 Sale] Tanzanite from Tanzania 0.436ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC052723_f3d01ab6-8f8c-4558-a15e-96c2758ed7b1.jpg?v=1765587394&width=2909)
[12/13 22:00 Sale] Tanzanite from Tanzania 0.436ct Loose Stone
Sale price¥8,800
![[12/13 22:00 Sale] Tanzanite from Tanzania 0.467ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC052703_85686e54-1c03-458b-9c70-c039b92a9c68.jpg?v=1765587507&width=4000)
[12/13 22:00 Sale] Tanzanite from Tanzania 0.467ct Loose Stone
Sale price¥9,800
![[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] Brazilian Dumortierite in Quartz 1.995ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC093289.jpg?v=1765933121&width=4000)
![[Available at 10 PM on December 13th] Limited to 9 stones: Australian Black Opal (including semi-black opal) Loose Stone Gacha (Includes 1 bonus white opal) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_49cd177f-5e60-4b58-a9ce-7d57e5ac3901.png?v=1765431388&width=2250)
![[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)
Sri Lankan Chrysoberyl Cat's Eye 1.340ct Loose Stone
Sale price¥8,800
![[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)
![[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)
![[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 at 10 PM on November 15th] Limited to 8 stones: 1 loose Brazilian ametrine (concave cut, average 10 carats) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/PB130286.jpg?v=1763173719&width=4000)
![[Available at 10 PM on November 9th] Pink Diamond Gacha 💎 (Includes two Fancy Intense 0.063ct diamonds with a medium-sized gemstone, normally priced at ¥98,000, and two Fancy Purplish Pink 1.7mm 0.021ct diamonds) {Multiple purchase discounts available}](http://store.karatz.jp/cdn/shop/files/collage_4c9a5e21-8f43-435f-bda0-60a38f37d7f9.png?v=1762567311&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)
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.