Spanish Sphalerite 6.3mm/1.771ct loose stone
Sale price¥8,800
Russian Phenakite 0.513ct Loose Stone
Sale price¥19,800
Spanish Sphalerite 5.1mm/0.928ct loose stone
Sale price¥5,980
Bicolor sapphire 0.480ct loose
Sale price¥28,800
Colombian Trapiche Emerald 1.343ct Loose
Sale price¥69,800
[Dandelion Cut] Rhodolite Garnet 1.115ct {Collaboration} Loose Stone
Sale price¥29,800
Brazilian Green Tourmaline 0.236ct Loose Stone
Sale price¥9,800
Bicolor sapphire 0.080ct loose stone
Sale price¥8,800
Parasite Peridot (Parasitetic Peridot) 0.172ct Loose Stone
Sale price¥98,000
Bicolor sapphire 0.225ct loose
Sale price¥15,800
Nigerian Green Beryl 0.545ct Loose Stone
Sale price¥12,800
Nigerian Green Beryl 0.765ct Loose Stone
Sale price¥18,800
Bicolor sapphire 0.405ct loose
Sale price¥25,800
Bicolor sapphire 0.404ct loose stone
Sale price¥39,800
Namibian Jeremejevite 0.193ct loose stone JTL catalogue
Sale price¥98,000
Zimbabwean Apatite (UV type) 2.368ct loose stone
Sale price¥18,800
Myanmar Leuco Garnet 0.504ct Loose Stone JTL Catalog
Sale price¥39,800
Ethiopian Sunstone 1.563ct Loose
Sale price¥9,800
Ethiopian Sunstone 5.1mm/0.468ct Loose
Sale price¥9,800
Nigerian Morganite 0.419ct loose stone
Sale price¥9,800
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.179ct Loose Stone
Sale price¥12,800
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.189ct Loose Stone
Sale price¥16,800
Yellow Diamond 4.7mm/0.390ct Loose (LIGHT YELLOW, VVS1, 3Excellent H&C)
Sale price¥49,800
Brazilian Ametrine 11.843ct loose stone
Sale price¥22,800
[Takeshi Yamamoto] Brazilian rose quartz 41.633ct loose stone
Sale price¥59,800
Colombian pyrite emerald 27.414ct loose stone
Sale price¥298,000
Tanzanian Sunstone (Illusion Sunstone) 0.381ct Loose Stone
Sale price¥7,980
Brazilian citrine 2.641ct loose stone
Sale price¥8,800
Myanmar Star Peridot 3.644ct Loose Stone
Sale price¥39,800
Brazilian Limonite in Topaz 10.100ct Loose Stone
Sale price¥25,800
Myanmar Podretteite 0.790ct loose stone
Sale price¥198,000
Myanmar Star Peridot 2.678ct Loose Stone
Sale price¥29,800
Chrysoberyl cat's eye 1.497ct loose
Sale price¥22,800
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
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.272ct Loose Stone
Sale price¥19,800
Sri Lankan Dunilite 0.142ct loose stone with certificate
Sale price¥25,800
Sri Lankan pink star sapphire 0.391ct loose stone
Sale price¥12,800
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.