Brazilian copper rutilated quartz 1.445ct loose stone
Sale price¥8,800
Zimbabwean Euclase 0.107ct loose stone
Sale price¥79,800
Tanzania Magnesioaxinite 0.198ct loose stone by Nikkei
Sale price¥69,800
Sri Lankan pink star sapphire 0.391ct loose stone
Sale price¥12,800
Sri Lankan pink star sapphire 0.270ct loose stone
Sale price¥12,800
Sri Lankan Dunilite 0.142ct loose stone with certificate
Sale price¥25,800
Tanzania Bicolor Zoisite 6.9mm/1.365ct Loose Stone
Sale price¥24,800
Sri Lankan saffron 0.264ct loose stone with certificate
Sale price¥22,800
[Sakura Shape] Mexican Opal 8.2mm/1.465ct {Collaboration} Loose Patch
Sale price¥45,800
Myanmar Leuco Garnet 0.504ct Loose Stone JTL Catalog
Sale price¥39,800
Namibian Jeremejevite 0.193ct loose stone JTL catalogue
Sale price¥98,000
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.192ct Loose Stone
Sale price¥13,800
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.272ct Loose Stone
Sale price¥19,800
Nigerian Morganite 0.419ct loose stone
Sale price¥9,800
Nigerian Morganite 0.544ct loose stone
Sale price¥11,000
Brazilian Dumortierite in Quartz 1.256ct loose stone
Sale price¥15,800
Colombian Trapiche Emerald 1.343ct Loose
Sale price¥69,800
Sri Lankan Musgravite 0.389ct Loose Stone (Tubular Inclusions) Nikkei
Sale price¥398,000
Nigerian Morganite 0.862ct loose stone
Sale price¥17,800
[Dandelion Cut] Rhodolite Garnet 1.115ct {Collaboration} Loose Stone
Sale price¥29,800
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
Zimbabwean Apatite (UV type) 1.712ct loose stone
Sale price¥13,800
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
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.