Brazilian Paraiba Tourmaline in Quartz 7.9mm/1.133ct Loose Stone
Sale price¥22,800
Brazilian Paraiba Tourmaline in Quartz 1.530ct Loose Stone
Sale price¥29,800
Brazilian Paraiba Tourmaline in Quartz 3.046ct loose stone
Sale price¥45,800
Brazilian Paraiba Tourmaline in Quartz 4.5mm/0.309ct Loose Stone
Sale price¥12,800
Brazilian Paraiba Tourmaline in Quartz 4.3mm/0.292ct Loose Stone
Sale price¥12,800
Brazilian Paraiba Tourmaline in Quartz 4.5mm/0.328ct Loose Stone
Sale price¥12,800
Brazilian Dendritic Agate 1.481ct Loose Stone
Sale price¥12,800
Brazilian bicolor tourmaline 7.445ct loose stone
Sale price¥69,800
Brazilian Bicolor Tourmaline Cat's Eye 9.5mm/4.730ct Loose Stone
Sale price¥18,800
Brazilian bicolor tourmaline cat's eye 2.640ct loose stone
Sale price¥12,800
Garden quartz 8.690ct loose
Sale price¥2,980
Brazilian Dumortierite in Quartz 0.578ct loose stone (faceted cut)
Sale price¥5,980
Brazilian Dumortierite in Quartz 0.482ct loose stone (faceted cut)
Sale price¥5,980
Brazilian Dumortierite in Quartz 0.652ct loose stone (faceted cut)
Sale price¥9,800
Brazilian Dumortierite in Quartz 0.313ct loose stone (faceted cut)
Sale price¥6,980
Brazilian Dumortierite in Quartz 0.154ct loose stone (faceted cut)
Sale price¥9,800
Brazilian Green Spodumene 2.619ct Loose Stone
Sale price¥12,800
Brazilian Green Spodumene 1.943ct Loose Stone
Sale price¥9,800
Brazilian Green Spodumene 6.484ct Loose Stone
Sale price¥29,800
Brazilian Spodumene 3.200ct loose stone
Sale price¥16,800
Brazilian Petalite 2.164ct loose stone
Sale price¥11,000
Brazilian Petalite 1.659ct loose stone
Sale price¥12,800
Brazilian Paraiba tourmaline 0.184ct raw stone (CuO:1.5%, MnO:0.6%)
Sale price¥12,800
Brazilian Paraiba tourmaline 0.180ct raw stone (CuO:1.8%, MnO:0.1%)
Sale price¥12,800
Brazilian Euclase 5.0mm/0.492ct Loose Stone
Sale price¥9,800
Brazilian Dumortierite in Quartz 55.207ct Rough Stone
Sale price¥8,800
Brazilian bicolor tourmaline 12.842ct loose
Sale price¥298,000
Brazilian Garden Quartz 15.7mm/12.860ct Loose Stone
Sale price¥4,980
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
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
Brazilian Madeira Citrine 4.7mm/0.414ct Loose Stone
Sale price¥8,800
Brazilian Madeira Citrine 0.489ct Loose Stone
Sale price¥7,980
Brazilian Pink Tourmaline 0.361ct Loose Stone
Sale price¥9,800
[Sakura Shape] Brazilian Green Tourmaline 6.7mm/1.057ct Loose Patch
Sale price¥39,800
[Takeshi Yamamoto] Brazilian Ametrine 24.465ct loose stone
Sale price¥98,000
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.