Brazilian Paraiba tourmaline in quartz 2.954ct loose
Sale price¥39,800
Loose Tourmaline from Brazil, 0.270 ct
Sale price¥5,980
Paraiba Tourmaline from Mozambique 2.037ct loose stone with gem analysis
Sale price¥498,000
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
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
Brazilian pink tourmaline 0.577ct loose stone
Sale price¥18,800
Brazilian bicolor tourmaline 2.341ct loose stone
Sale price¥79,800
Brazilian pink tourmaline 1.515ct loose stone
Sale price¥98,000
Brazilian Paraiba Tourmaline in Quartz 0.780ct Loose Stone
Sale price¥15,800
Brazilian bicolor tourmaline 1.056ct loose
Sale price¥12,800
Bicolor tourmaline 5.825ct loose
Sale price¥128,000
Bicolor tourmaline 0.707ct loose
Sale price¥12,800
Blue tourmaline from Afghanistan 0.209ct loose
Sale price¥2,980
Blue tourmaline from Afghanistan 3.5mm/0.178ct loose
Sale price¥3,980
Yellow tourmaline 0.431ct loose stone
Sale price¥3,980
Brazilian bicolor tourmaline 3.291ct loose
Sale price¥35,800
Brazilian bicolor tourmaline 3.569ct loose
Sale price¥35,800
Bicolor tourmaline 0.669ct loose (rose cut)
Sale price¥8,800
Bicolor tourmaline 0.549ct loose (rose cut)
Sale price¥8,800
Brazilian bicolor tourmaline 1.965ct loose stone
Sale price¥18,800
Brazilian bicolor tourmaline 1.449ct loose stone
Sale price¥19,800
Brazilian bicolor tourmaline 0.621ct loose stone
Sale price¥12,800
[12552640] Unheated Brazilian Paraiba Tourmaline 0.073ct loose stone
Sale price¥49,800
[12552618] Unheated Brazilian Paraiba Tourmaline 0.063ct loose stone
Sale price¥49,800
[Posted in 12548907] Yellow tourmaline 0.469ct loose
Sale price¥8,800
[Posted in 12547848] Green tourmaline 0.869ct loose
Sale price¥15,800
[12547847 published] Bicolor tourmaline 0.398ct loose
Sale price¥8,800
[Rouge Cut] Brazilian Bicolor Tourmaline 0.578ct Loose
Sale price¥9,800
Brazilian Paraiba tourmaline 0.275ct loose (CuO:1.5%.MnO:2.3%)
Sale price¥398,000
Unheated Brazilian Color Change Paraiba Tourmaline 0.30ct Loose GIA
Sale price¥1,280,000
Bicolor tourmaline 0.591ct loose (rose cut)
Sale price¥8,980
Bicolor tourmaline 0.435ct loose (rose cut)
Sale price¥5,980
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.