【8/23 22時販売】《限定8石》ブラジル産レインボーアクアマリン1石ルース（ペアシェイプ）《複数購入割引有》
Sale price¥3,980
【8/24 22時販売】ブラジル産ミントカラーエメラルド 5.5mm/0.638ctルース
Sale price¥8,800
Paraiba tourmaline from Brazil 0.230ct loose (CuO:1.2%, MnO:3.3%)
Sale price¥29,800
Paraiba tourmaline from Brazil 0.160ct loose (CuO:0.9%, MnO:3.9%)
Sale price¥29,800
Paraiba tourmaline from Brazil 0.213ct loose (CuO: 0.8%, MnO: 3.8%)
Sale price¥25,800
Paraiba tourmaline from Brazil 0.244ct loose (CuO:1.0%, MnO:1.9%)
Sale price¥29,800
Brazilian citrine 1.337ct loose stone
Sale price¥3,980
[Posted 12532932] Alexandrite 0.138ct loose
Sale price¥18,800
Tourmaline 0.360ct loose stone
Sale price¥2,980
Green tourmaline cat's eye 6.480ct loose
Sale price¥8,800
Tourmaline cat's eye 4.790ct loose
Sale price¥6,980
Tourmaline cat's eye 4.590ct loose
Sale price¥12,800
Morganite 0.960ct loose (Asscher cut)
Sale price¥9,800
Aquamarine 0.940ct loose stone
Sale price¥8,800
Bicolor tourmaline 0.880ct loose
Sale price¥8,800
Bicolor tourmaline 1.220ct loose
Sale price¥15,800
![[Available at 10 PM on August 17th] Limited Edition 12 Stones Rare Stone Gacha💎 Benitoite, Zimbabwean Euclase, Brazilian Alexandrite, and Paraiba Tourmaline (Loose Stone) [Multiple Purchase Discounts Available]](http://store.karatz.jp/cdn/shop/files/P1010004_ac0912bb-9453-4391-8a82-c6dd4e4f39e7.jpg?v=1755307752&width=4000)
![[Available at 10 PM on August 10th] Brazilian Rainbow Aquamarine Loose Stone (Iridescent Aquamarine) {Multiple Purchase Discounts Available}](http://store.karatz.jp/cdn/shop/files/collage22.10.05.png?v=1754699109&width=1000)
![[Available at 10 PM on August 13th] [Limited to 9 stones] One loose Brazilian rainbow aquamarine (oval cut, average 0.8 carats) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_60dc3c4e-56f7-4fd7-a18c-f0d43b2fb29e.png?v=1754965065&width=2000)
![[Available at 10 PM on August 10th] Limited Quantity: Brazilian Yellow Danburite Loose Stone [Multiple Purchase Discounts Available]](http://store.karatz.jp/cdn/shop/files/P1010296_93b18168-adac-4046-a787-5526f00e9467.jpg?v=1755047677&width=4000)
![[Available at 10 PM on August 14th] [Limited to 10 stones] Brazilian Santa Maria Aquamarine Loose Stone [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010244_bcc49139-ef12-4373-ab57-65a246bbdbeb.jpg?v=1755049700&width=4000)
![[Available from 10/8] [Limited to 7 stones] Brazilian Santa Maria Aquamarine Loose Stone [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010216_202f7339-09bc-46f1-9dcd-7ec0e44b5b2e.jpg?v=1754619579&width=4000)
Pt950 Brazilian Paraiba Tourmaline 0.131ct Ring
Sale price¥128,000
[8/8 22:00] Brazilian Dumortierite in Quartz 1.117ct Loose Stone
Sale price¥8,800
[8/8 22:00] Brazilian Aquamarine 0.627ct Loose Stone
Sale price¥6,980
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 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.