Ethiopian Opal 15.845ct Rough Stone
Sale price¥15,800
Ethiopian Opal 41.967ct Rough Stone
Sale price¥33,800
Brazilian Alexandrite 0.073ct loose stone (princess cut)
Sale price¥16,800
Brazilian Limonite in Topaz 8.994ct loose stone
Sale price¥19,800
Tanzanian bicolor tanzanite 4.804ct rough stone
Sale price¥18,800
Colombian Trapiche Emerald 0.923ct Rough Stone
Sale price¥45,800
Brazilian Pink Tourmaline 0.331ct Loose Stone
Sale price¥8,800
Russian Demantoid Garnet (Horsetail certified) 2.4mm/0.066ct loose stone
Sale price¥12,800
Myanmar spinel and Tanzanite 7 stone set ring (Alterno setting)
Sale price¥98,000
Afghanistan Awinite 0.069ct loose stone JTL catalog
Sale price¥29,800
Afghanistan Awinite 0.075ct loose stone JTL catalog
Sale price¥35,800
Brazilian Limonite in Topaz 20.777ct loose stone
Sale price¥39,800
Brazilian bicolor tourmaline 0.502ct loose stone
Sale price¥9,800
Myanmar Podretteite 0.407ct loose stone [Gemstone Encyclopedia]
Sale price¥128,000
Zimbabwe Bicolor Euclase 0.405ct Loose Stone by Nikkei
Sale price¥298,000
Colombian emerald rough stone 37.764ct (Gachala mine)
Sale price¥598,000
Brazilian Paraiba Tourmaline in Quartz 0.556ct Loose Stone
Sale price¥15,800
Brazilian pink tourmaline 1.018ct loose stone
Sale price¥29,800
Tanzania Peristerite 1.592ct Loose Stone (Blue Moonstone)
Sale price¥14,800
Tanzania Peristerite 6.2mm/0.582ct loose stone
Sale price¥6,980
Tanzania Peristallite 6.0mm/0.531ct Loose Stone (Blue Moonstone)
Sale price¥9,800
Sri Lankan Yellow Sapphire 0.282ct Loose
Sale price¥12,800
Oregon Sunstone from the United States 0.661ct loose stone
Sale price¥6,980
Oregon Sunstone from the United States 8.8mm/1.603ct loose stone
Sale price¥14,800
Brazilian Golden Beryl 9mm/2.438ct Loose Stone
Sale price¥12,800
Tanzania Bicolor Zoisite 4.0mm/0.246ct Loose Stone
Sale price¥8,800
Tanzania Bicolor Zoisite 4.0mm/0.255ct Loose Stone
Sale price¥9,800
YAG (Yttrium Aluminum Garnet) 4.1mm/0.322ct loose stone
Sale price¥8,800
YAG (Yttrium Aluminum Garnet) 4.8mm/0.538ct loose stone
Sale price¥8,800
YAG (Yttrium Aluminum Garnet) 4.5mm/0.440ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 6.8mm/1.206ct loose stone
Sale price¥8,800
Brazilian Paraiba Tourmaline in Quartz 1.674ct loose stone
Sale price¥19,800
Brazilian Paraiba Tourmaline in Quartz 1.171ct Loose Stone
Sale price¥18,800
Colombian pyrite in emerald 15.291ct loose
Sale price¥1,000,000
Zimbabwean Euclase 0.032ct loose stone
Sale price¥15,800
Euclase from Zimbabwe 0.046ct loose
Sale price¥29,800
Zimbabwean Euclase 0.039ct loose stone
Sale price¥22,800
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.126ct Loose Stone
Sale price¥12,800
Madagascar Andalusite 0.542ct loose stone
Sale price¥8,800
Spanish bicolor sphalerite 0.866ct loose stone
Sale price¥12,800
0.075 ct Loose Paraiba Tourmaline from Brazil (CuO: 1.7%, MnO: 1.9%)
Sale price¥45,800
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.