Colombian emerald 0.202ct loose stone
Sale price¥59,800
Madagascar sphene 0.803ct loose stone
Sale price¥19,800
Brazilian Imperial Topaz 0.398ct Loose Stone
Sale price¥12,800
Zimbabwean Euclase 0.129ct Loose Stone with Certificate of Authenticity
Sale price¥29,800
Tanzanite from Tanzania 0.237ct loose stone
Sale price¥8,800
Orange calcite 0.740ct loose stone by Nikkei
Sale price¥9,800
Mexican Fire Opal (Faceted Cut) 0.844ct Loose
Sale price¥15,800
Sri Lankan Yellow Sapphire 0.320ct Loose
Sale price¥15,800
Mexican Hyalite Opal 0.942ct Loose
Sale price¥9,800
Brazilian Aquamarine 0.176ct Loose Stone
Sale price¥8,800
Mexican Hyalite Opal 6.0mm/0.708ct Loose
Sale price¥25,800
Moldavite from former Czechoslovakia 0.094ct loose stone
Sale price¥6,980
American Red Beryl 0.217ct Loose
Sale price¥49,800
Pakistani Axinite (Blue Tint) 0.815ct Loose Stone
Sale price¥45,800
Synthetic Alexandrite 0.460ct loose stone
Sale price¥14,800
Yellow Diamond (Cabochon Cut) 0.176ct Loose
Sale price¥29,800
Brazilian bicolor tourmaline 0.572ct loose stone (rose cut)
Sale price¥14,800
Brazilian Bicolor Tourmaline 0.901ct Loose Stone (Rose Cut)
Sale price¥12,800
Pezzotite from Madagascar 0.257ct loose
Sale price¥15,800
Madagascar Apatite 0.961ct Loose Stone
Sale price¥6,980
Brazilian pink tourmaline 0.781ct loose stone
Sale price¥9,800
Brazilian pink tourmaline 0.918ct loose stone
Sale price¥9,800
Zimbabwe bicolor euclase 0.192ct loose stone
Sale price¥39,800
Bicolor sapphire 0.301ct loose
Sale price¥18,800
Madagascar Bicolor Sapphire 0.232ct Loose
Sale price¥15,800
Madagascar sphene 0.602ct loose stone
Sale price¥9,800
Madagascar sphene 0.556ct loose stone
Sale price¥9,800
Madagascar sphene 0.531ct loose stone
Sale price¥8,800
Colombian Euclase 0.817ct loose stone
Sale price¥29,800
Colombian Euclase 0.735ct loose stone
Sale price¥14,800
Colombian Euclase 0.512ct Loose Stone
Sale price¥18,800
Brazilian Morganite 0.405ct loose stone
Sale price¥7,980
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.375ct Loose Stone
Sale price¥18,800
Brazilian Swiss Blue Topaz 0.827ct Loose Stone
Sale price¥8,800
Brazilian Swiss Blue Topaz 0.889ct Loose Stone
Sale price¥8,800
Brazilian Swiss Blue Topaz 0.890ct Loose
Sale price¥8,800
Brazilian Swiss Blue Topaz 0.724ct Loose Stone
Sale price¥8,800
Brazilian Blue Topaz 0.766ct Loose Stone
Sale price¥6,980
Sweet Home Rhodochrosite 2.7mm/0.108ct Loose Stone
Sale price¥12,800
Mexican Fire Opal 0.448ct Loose
Sale price¥3,980
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.