Tanzanian Kornerupine 0.453ct loose stone
Sale price¥24,800
Tanzanite from Tanzania 1.250ct loose stone
Sale price¥22,800
Tanzania Zoisite 1.000ct Loose Stone
Sale price¥19,800
Tanzania Bicolor Zoisite 0.645ct Loose Stone
Sale price¥12,800
YAG (Yttrium Aluminum Garnet) 6.5mm/1.551ct Loose Stone
Sale price¥19,800
Brazilian bicolor tourmaline 0.502ct loose stone
Sale price¥12,800
Madagascar Yellow Sapphire 0.863ct Loose
Sale price¥18,800
Brazilian Sky Blue Topaz (untreated) 1.376ct loose stone
Sale price¥12,800
Brazilian Sky Blue Topaz (untreated) 2.116ct loose stone
Sale price¥15,800
Brazilian Lepidocrocite in Quartz 1.126ct Loose Stone
Sale price¥12,800
Brazilian Lepidocrocite in Quartz 1.352ct Loose Stone
Sale price¥12,800
Violet Sapphire 4.3mm/0.328ct Loose
Sale price¥15,800
Pink sapphire 4.5mm/0.390ct loose stone
Sale price¥15,800
Purple sapphire 4mm/0.273ct loose stone
Sale price¥12,800
Yellow Sapphire 4.0mm/0.266ct Loose
Sale price¥12,800
Zimbabwean Blue Apatite (UV Type) 1.019ct Loose
Sale price¥14,800
Russian diamond rough (sawable) 0.094ct rough
Sale price¥24,800
Bicolor Euclase from Zimbabwe 0.033ct loose
Sale price¥28,800
Colombian Trapiche Emerald 0.291ct Loose
Sale price¥15,800
Colombian Mica in Emerald 4.6mm/0.210ct Loose Stone
Sale price¥12,800
Colombian Trapiche Emerald 0.416ct Loose
Sale price¥22,800
Colombian Trapiche Emerald 0.266ct Loose
Sale price¥14,800
Mexican Cantera Opal 4.835ct Loose
Sale price¥19,800
Brazilian Medusa Quartz (Paraiba Quartz) 1.945ct Loose Stone
Sale price¥24,800
Synthetic Moissanite 10mm/4.121ct Loose Stone (Portuguese Cut)
Sale price¥19,800
Colombian emerald 1.435ct rough stone
Sale price¥18,800
Colombian Trapiche Emerald 0.372ct Loose
Sale price¥19,800
Colombian Trapiche Emerald 0.299ct Loose
Sale price¥16,800
Russian rough diamond (sawable) 0.098ct loose
Sale price¥24,800
Colombian Trapiche Emerald 0.392ct Loose
Sale price¥19,800
American Red Beryl 0.106ct Loose
Sale price¥24,800
Colombian Trapiche Emerald 0.222ct Loose
Sale price¥18,800
Tanzanian bicolor tanzanite rough stone 2.454ct
Sale price¥12,800
Russian rough diamond (sawable) 0.125ct loose
Sale price¥29,800
Colombian Trapiche Emerald 0.260ct Loose
Sale price¥14,800
Zimbabwean Blue Apatite (UV type) 1.056ct loose stone
Sale price¥15,800
Brazilian rutilated quartz (rutilated quartz) 8.247ct loose stone
Sale price¥14,800
Brazilian Euclase 0.224ct Loose Stone (Bicolor Euclase)
Sale price¥18,800
Oregon Sunstone from the United States 1.132ct loose stone
Sale price¥15,800
Synthetic Alexandrite 0.578ct loose stone
Sale price¥12,800
Synthetic Alexandrite 0.841ct loose stone
Sale price¥15,800
Brazilian Flower Rutile in Quartz 3.066ct Loose Stone
Sale price¥18,800
Brazilian Flower Rutile in Quartz 3.312ct Loose Stone
Sale price¥15,800
Sri Lankan Moonstone 1.959ct Loose
Sale price¥12,800
Brazilian Yellow Beryl 11.411ct Loose Stone, Japan-Germany Exchange
Sale price¥25,800
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.