[Koshu Precious Stones plusthree] Bicolor Fluorite 5.030ct Loose Patch
Sale price¥29,800
Brazilian Paraiba tourmaline in quartz 3.678ct loose
Sale price¥9,800
Colombian Euclase 2.360ct loose
Sale price¥79,800
Brazilian bicolor tourmaline 12.842ct loose
Sale price¥298,000
Russian demantoid garnet (horsetail recognized) 5.3mm/0.692ct loose
Sale price¥128,000
Brazilian Garden Quartz 15.7mm/12.860ct Loose Stone
Sale price¥4,980
Colombian emerald cat's eye 0.083ct loose
Sale price¥6,980
Colombian emerald cat's eye 0.078ct loose
Sale price¥6,980
![[Koshu Precious Stone Cut] Bicolor Fluorite 20.850ct Loose Stone [Collaboration] Patch](http://store.karatz.jp/cdn/shop/files/collage_cc003cbe-63f3-4a0a-9253-31012fc79497.png?v=1745533157&width=2000)
Brazilian Pink Imperial Topaz 1.511ct Loose Japanese-German Edition
Sale price¥69,800
Namibian Jeremejevite 0.153ct loose stone by Nikkei
Sale price¥15,800
Namibian Jeremejevite 0.118ct loose stone by Nikkei
Sale price¥12,800
Brazilian Pink Imperial Topaz 0.909ct Loose Japanese-German Edition
Sale price¥39,800
Mexican Hyalite Opal 4.9mm/0.348ct Loose
Sale price¥12,800
Mexican Hyalite Opal 6.9mm/1.134ct Loose
Sale price¥25,800
![[On Sale at 10 PM on September 14th] Mexican Hyalite Opal 6.1mm/0.652ct Loose](http://store.karatz.jp/cdn/shop/files/collage_34b5d1b8-6bc5-48fb-9ca5-3944313a240e.png?v=1757727531&width=2250)
Mexican Hyalite Opal 5.2mm/0.439ct Loose Stone
Sale price¥12,800
Mexican Hyalite Opal 4.8mm/0.304ct Loose Stone
Sale price¥9,800
Mexican Hyalite Opal 5.0mm/0.378ct Loose Stone
Sale price¥11,000
Indian Moss Agate 0.387ct Loose Stone
Sale price¥8,800
Indian Moss Agate 0.75ct Loose Stone
Sale price¥8,800
Indian Moss Agate 0.601ct Loose Stone
Sale price¥8,800
Indian Moss Agate 0.301ct Loose Stone (Princess Cut)
Sale price¥6,980
Indian Moss Agate 0.728ct Loose Stone (Princess Cut)
Sale price¥9,800
Indian Moss Agate 0.755ct Loose Stone (Princess Cut)
Sale price¥8,800
Brazilian Dumortierite in Quartz 2.484ct loose stone
Sale price¥9,800
Brazilian pyrope almandine garnet 0.925ct loose stone
Sale price¥9,800
Brazilian Aquamarine 0.546ct Loose Stone
Sale price¥8,800
Brazilian Aquamarine 0.499ct Loose Stone
Sale price¥7,980
Brazilian Aquamarine 0.362ct Loose Stone
Sale price¥8,800
Brazilian Aquamarine 0.578ct Loose Stone
Sale price¥12,800
Brazilian Dumortierite in Quartz 0.368ct loose stone
Sale price¥12,800
Sri Lankan Brown Zircon 1.121ct Loose Stone
Sale price¥12,800
Sri Lankan Green Zircon 4.6mm/0.543ct Loose Stone
Sale price¥8,800
Sri Lankan Green Zircon 4.0mm/0.344ct Loose Stone
Sale price¥6,980
Turkish pink diaspore 0.194ct loose stone
Sale price¥9,800
Turkish pink diaspore 0.171ct loose stone
Sale price¥8,800
Turkish pink diaspore 0.151ct loose stone
Sale price¥8,800
Brazilian Madeira Citrine 0.867ct Loose Stone
Sale price¥9,800
Brazilian Madeira Citrine 0.564ct Loose Stone
Sale price¥8,800
Brazilian Madeira Citrine 0.602ct Loose Stone
Sale price¥8,800
Brazilian Madeira Citrine 0.672ct 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.