Paraiba tourmaline from Brazil 0.129ct loose (Cu:0.6%,MnO:0.9%)
Sale price¥29,800
Green tourmaline 0.389ct loose
Sale price¥8,800
Paraiba tourmaline from Brazil 0.039ct loose (CuO:1.5%, MnO:2.0%)
Sale price¥24,800
Paraiba tourmaline from Brazil 0.032ct loose (CuO:2.2%, MnO:1.8%)
Sale price¥25,800
Paraiba tourmaline from Brazil 0.062ct loose (CuO:1.4%, MnO:1.5%)
Sale price¥39,800
Paraiba tourmaline from Mozambique 1.057ct loose
Sale price¥29,800
Paraiba tourmaline from Brazil 0.117ct loose
Sale price¥39,800
Brazilian unheated particolor Paraiba tourmaline 0.84ct loose GIA
Sale price¥2,580,000
Brazilian indicolite tourmaline 0.691ct loose stone
Sale price¥19,800
Brazilian indicolite tourmaline 0.386ct loose stone
Sale price¥9,800
Brazilian indicolite tourmaline 0.750ct loose stone
Sale price¥15,800
Ubaite/dravite tourmaline 3.157ct rough stone
Sale price¥6,980
Brazilian green tourmaline 1.233 ct loose stone
Sale price¥69,800
Paraiba tourmaline from Brazil 3.5mm/0.278ct loose
Sale price¥29,800
Paraiba tourmaline from Mozambique 0.516ct loose
Sale price¥39,800
Paraiba tourmaline from Mozambique 0.270ct loose
Sale price¥18,800
Brazilian green tourmaline 4.345ct loose stone
Sale price¥69,800
Brazilian Blue Tourmaline 0.827ct Loose Stone
Sale price¥19,800
Mint color tourmaline 0.198ct loose
Sale price¥4,980
Mint color tourmaline 0.229ct loose
Sale price¥4,980
Pink tourmaline 0.205ct loose
Sale price¥4,980
Tourmaline cat's eye 0.910ct loose
Sale price¥4,980
Tanzanian Chrome Tourmaline 0.164ct Loose Stone
Sale price¥9,800
Brazilian Pink Tourmaline 5.0mm/0.484ct Loose Stone (Rose Cut)
Sale price¥8,800
Brazilian green tourmaline 0.821ct loose stone
Sale price¥12,800
Brazilian green tourmaline 3.102ct loose stone
Sale price¥69,800
Zambian bicolor tourmaline 4.019ct loose stone
Sale price¥98,000
Brazilian Paraiba tourmaline in quartz 2.954ct loose
Sale price¥39,800
Paraiba tourmaline from Brazil 0.34ct loose GIA
Sale price¥79,800
Loose Tourmaline from Brazil, 0.270 ct
Sale price¥5,980
Brazil Indicolite Tourmaline 0.431ct Loose Gemstone with Certificate
Sale price¥29,800
Pink tourmaline 0.516ct loose
Sale price¥5,980
Paraiba tourmaline from Brazil 0.144ct loose (CuO:0.9%,MnO:2.8%)
Sale price¥55,800
Brazilian bicolor tourmaline 4.497ct loose stone
Sale price¥69,800
Brazilian Green Tourmaline 5.0mm/0.401ct Loose Stone (Rose Cut)
Sale price¥9,800
Brazilian bicolor tourmaline 2.047ct loose
Sale price¥29,800
Bicolor tourmaline 22.088ct loose
Sale price¥298,000
Blue tourmaline from Afghanistan 4.5mm/0.326ct loose
Sale price¥7,980
Brazilian bicolor tourmaline 1.764ct loose
Sale price¥32,800
Brazilian bicolor tourmaline 1.565ct loose
Sale price¥19,800
Pt950 Oregon Sunstone 1.24ct Indigo Tourmaline Blue Diamond Ring
Sale price¥128,000
Illusion Bicolor Tourmaline 3.202ct Loose Stone
Sale price¥69,800
Afghanistan Green Tourmaline 7.8mm/1.738ct Loose Stone
Sale price¥59,800
Brazilian pink tourmaline 2.765ct loose stone
Sale price¥69,800
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.
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.