Brazilian pink tourmaline 0.234ct loose stone
Sale price¥8,800
Brazilian blue tourmaline 0.353ct loose
Sale price¥9,800
Brazilian mint color tourmaline 0.145ct loose stone
Sale price¥8,800
Brazilian green tourmaline 0.194ct loose stone
Sale price¥12,800
Brazilian green tourmaline 0.755ct loose stone
Sale price¥18,800
Brazilian green tourmaline 0.374ct loose stone
Sale price¥9,800
Brazilian Dumortierite in Quartz 1.911ct Loose Stone
Sale price¥8,800
Brazilian Dumortierite in Quartz 1.451ct Loose Stone
Sale price¥8,800
Brazilian Dumortierite in Quartz 0.978ct Loose Stone
Sale price¥12,800
Brazilian Morganite 1.266ct loose stone
Sale price¥29,800
Brazilian Bicolor Imperial Topaz 0.981ct Loose Stone
Sale price¥79,800
Brazilian mint-colored emerald 0.945ct loose stone
Sale price¥25,800
Brazilian Pink Imperial Topaz 2.794ct Loose Japanese-German Edition
Sale price¥128,000
Pink tourmaline cat's eye 3.800ct loose
Sale price¥8,800
Brazilian Paraiba tourmaline 0.455ct raw stone (CuO: 0.9%, MnO: 2.2%)
Sale price¥15,800
Brazilian Paraiba tourmaline 0.448ct raw stone (CuO:2.7%, MnO:2.0%)
Sale price¥19,800
Brazilian Paraiba tourmaline 0.156ct raw stone (CuO:2.5%, MnO:0.5%)
Sale price¥15,800
Brazilian alexandrite 0.102ct loose
Sale price¥15,800
Brazilian alexandrite 0.091ct loose
Sale price¥15,800
![Limited to 7 stones: Brazilian Limonite in Quartz, 1 loose stone (average 6 carats) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_10790d8c-055f-404e-b91b-4dc8a6f1ff16.png?v=1756029326&width=2000)
[12559903] 2.991ct Brazilian Imperial Topaz Loose Stone
Sale price¥158,000
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
Brazilian Aquamarine 0.627ct Loose Stone
Sale price¥6,980
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 4.156ct Loose Stone
Sale price¥18,800
Yellow tourmaline 2.290ct loose
Sale price¥8,800
Bicolor imperial topaz 1.725ct loose
Sale price¥79,800
Paraiba tourmaline from Brazil 0.252ct loose (CuO:0.9%, MnO:2.0%)
Sale price¥29,800
Morganite 1.135ct loose
Sale price¥5,980
Brazilian Paraiba tourmaline 0.229ct loose (CuO:0.8%, MnO:2.2%)
Sale price¥39,800
Synthetic rutile 6.5mm/1.233ct loose stone
Sale price¥12,800
Brazilian beryl 105.928ct raw stone
Sale price¥18,800
Brazilian Aquamarine 0.287ct Loose Stone
Sale price¥6,980
Brazilian Aquamarine 0.223ct Loose Stone
Sale price¥8,800
Brazilian Aquamarine 0.238ct Loose Stone (Princess Cut)
Sale price¥5,980
Brazilian Aquamarine 0.255ct 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'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.