Brazilian bicolor tourmaline 0.914ct loose stone
Sale price¥12,800
Brazilian Morganite 1.296ct loose stone
Sale price¥8,800
Brazilian Quartz 13.991ct Loose Patch
Sale price¥9,800
Brazilian bicolor tourmaline 0.582ct loose stone
Sale price¥6,980
Brazilian bicolor tourmaline 1.209ct loose stone
Sale price¥9,800
Brazilian bicolor tourmaline 1.910ct loose stone
Sale price¥25,800
Brazilian bicolor tourmaline 1.540ct loose stone
Sale price¥25,800
Brazilian Rubellite (Red Tourmaline) 3.844ct Loose Stone
Sale price¥128,000
Brazilian Rubellite 2.022ct Loose Stone
Sale price¥55,800
Brazilian Rubellite (Red Tourmaline) 1.525ct Loose Stone
Sale price¥39,800
Brazilian Green Tourmaline 0.703ct Loose Stone
Sale price¥15,800
Brazilian Green Tourmaline 0.764ct Loose Stone
Sale price¥9,800
Brazilian bicolor tourmaline 0.675ct loose stone
Sale price¥9,800
Brazilian Pink Tourmaline 0.448ct Loose Stone
Sale price¥8,800
Brazilian Romanesite in Quartz 4.331ct Loose Stone
Sale price¥9,800
Brazilian bicolor tourmaline 0.820ct loose stone
Sale price¥25,800
Brazilian Paraiba Tourmaline 0.167ct loose stone (CuO: 1.1%, MnO: 3.6%)
Sale price¥69,800
Brazilian bicolor tourmaline 3.282ct loose
Sale price¥59,800
Brazilian Bicolor Tourmaline 16.088ct Loose (Tricolor) Nikkei
Sale price¥298,000
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 4.807ct Loose Stone
Sale price¥15,800
Brazilian Paraiba tourmaline 0.240ct loose (CuO:1.5%, MnO:1.8%)
Sale price¥45,800
Brazilian Petalite 0.713ct loose stone
Sale price¥5,980
Brazilian Petalite 1.654ct loose stone
Sale price¥9,800
Brazilian Tourmaline Cat's Eye 0.890ct Loose Stone
Sale price¥2,980
Brazilian tourmaline cat's eye 0.910ct loose stone
Sale price¥3,980
Brazilian Quartz in Quartz 10.349ct Loose Stone
Sale price¥15,800
Brazilian bicolor tourmaline cat's eye 22.056ct loose stone
Sale price¥198,000
Brazilian Paraiba Tourmaline in Quartz 2.674ct loose stone
Sale price¥54,800
Brazilian Paraiba Tourmaline in Quartz 2.827ct loose stone
Sale price¥49,800
Brazilian Paraiba Tourmaline in Quartz 3.049ct loose stone
Sale price¥49,800
Brazilian Paraiba Tourmaline in Quartz 4.5mm/0.284ct Loose Stone
Sale price¥22,800
Brazilian Paraiba Tourmaline in Quartz 1.146ct Loose Stone
Sale price¥29,800
Brazilian Paraiba Tourmaline in Quartz 8.0mm/1.287ct Loose Stone
Sale price¥29,800
Brazilian Paraiba Tourmaline in Quartz 7.9mm/1.314ct Loose Stone
Sale price¥29,800
Brazilian Limonite in Topaz 3.399ct loose stone
Sale price¥8,800
Brazilian Medusa Quartz (Paraiba Quartz) 7.250ct Loose
Sale price¥54,800
Brazilian Medusa Quartz (Paraiba Quartz) 2.089ct loose stone
Sale price¥16,800
Brazilian Bicolor Pink Euclase 0.236ct Loose Stone, Japan-Germany
Sale price¥128,000
Brazilian Imperial Topaz 0.764ct Loose Stone
Sale price¥19,800
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.
業界発展のための後進育成や事業協力、宝石の国スリランカの子どもたちへの支援活動など、KARATZの取り組みについてご紹介いたします。
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.