Tanzanite from Tanzania 0.331ct loose stone
Sale price¥5,980
Ethiopian Sunstone 1.563ct Loose
Sale price¥9,800
Ethiopian Sunstone 5.1mm/0.468ct Loose
Sale price¥9,800
Brazilian bicolor tourmaline 4.291ct loose stone
Sale price¥55,800
Brazilian bicolor tourmaline 6.227ct loose stone
Sale price¥69,800
Illusion Pink Tourmaline (Iridescent Tourmaline) 4.172ct Loose
Sale price¥59,800
Zimbabwean Blue Apatite (UV type) 2.596ct loose stone
Sale price¥18,800
Zimbabwean Apatite (UV type) 2.368ct loose stone
Sale price¥18,800
Zimbabwean Apatite (UV type) 2.609ct loose stone
Sale price¥19,800
Zimbabwean Apatite (UV type) 1.712ct loose stone
Sale price¥13,800
Namibian Jeremejevite 0.065ct loose stone with certificate
Sale price¥19,800
Namibian Jeremejevite 0.052ct loose stone JTL catalogue
Sale price¥18,800
Namibian Jeremejevite 0.038ct loose stone JTL catalogue
Sale price¥9,800
Nigerian Green Beryl 0.545ct Loose Stone
Sale price¥12,800
Nigerian Green Beryl 0.427ct Loose Stone
Sale price¥9,800
Nigerian Green Beryl 0.308ct Loose Stone (Mint Green Color)
Sale price¥7,980
Bicolor sapphire 0.244ct loose
Sale price¥15,800
Bicolor sapphire 0.180ct loose
Sale price¥12,800
Bicolor sapphire 0.225ct loose
Sale price¥15,800
Russian Phenakite 0.507ct Loose Stone
Sale price¥19,800
Madagascar Petzotite Cat's Eye 0.323ct Loose Stone
Sale price¥22,800
Brazilian White Chalcedony 0.925ct Loose Stone
Sale price¥5,980
Brazilian Dendritic Agate 0.629ct Loose Stone
Sale price¥7,980
Brazilian Dendritic Agate 0.735ct Loose Stone
Sale price¥7,980
Brazilian Blue Apatite 5.5mm/0.805ct Loose Stone
Sale price¥9,800
Brazilian Green Tourmaline 0.831ct Loose Stone
Sale price¥25,800
Australian Rainbow Lattice Sunstone 0.811ct Loose Stone
Sale price¥15,800
Brazilian Green Tourmaline 4.1mm/0.259ct Loose Stone
Sale price¥12,800
Spanish Sphalerite 5.3mm/1.009ct loose stone
Sale price¥6,980
Brazilian London Blue Topaz 0.985ct Loose
Sale price¥8,800
Brazilian London Blue Topaz 0.966ct Loose Stone
Sale price¥8,800
Brazilian Sky Blue Topaz 1.256ct Loose Stone
Sale price¥8,800
Brazilian Swiss Blue Topaz 6.4mm/1.225ct Loose Stone
Sale price¥9,800
Nigerian Morganite 0.349ct loose stone
Sale price¥8,800
Nigerian Morganite 0.381ct loose stone
Sale price¥5,980
Spanish Sphalerite 5.1mm/0.928ct loose stone
Sale price¥5,980
Spanish Sphalerite 5.9mm/1.132ct loose stone
Sale price¥6,980
Spanish Sphalerite 5.9mm/1.498ct loose stone
Sale price¥8,800
Spanish Sphalerite 6.3mm/1.771ct loose stone
Sale price¥8,800
Spanish Sphalerite 0.949ct loose stone
Sale price¥18,800
Madagascar Petzotite Cat's Eye 0.393ct Loose Stone
Sale price¥29,800
Tanzanite 0.513ct loose stone (sugarloaf cut) from Tanzania
Sale price¥9,800
Indian Alexandrite Cat's Eye 0.643ct Loose Stone
Sale price¥18,800
Myanmar Purple Spinel 0.311ct Loose Stone
Sale price¥8,800
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.