Custom Cut
Brazilian Green Tourmaline 0.350ct Loose
Sale price¥9,800
Brazilian Limonite in Topaz 6.829ct loose stone
Sale price¥17,800
Brazilian Limonite in Topaz 5.709ct loose stone
Sale price¥9,800
Brazilian bicolor euclase 0.239ct loose stone
Sale price¥18,800
Brazilian Euclase 0.117ct Loose Stone
Sale price¥12,800
Spanish Andalusite 0.776ct loose stone
Sale price¥11,800
Spanish bicolor sphalerite 3.504ct loose stone
Sale price¥38,800
1.953ct Bicolor Sphalerite from Spain
Sale price¥25,800
#202510 Campaign Shortage Bicolor Tourmaline 3.468ct Loose
Sale price¥6,980
Pakistani Oil in Quartz 0.328ct Loose Stone
Sale price¥8,800
Myanmar pink spinel 0.520ct loose stone
Sale price¥12,800
Indian moss agate 1.065ct loose gemstone
Sale price¥12,800
Goshenite 0.852ct loose stone
Sale price¥8,800
Kunzite from Afghanistan 0.799ct loose stone
Sale price¥6,980
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
Nigerian Aventurine Aquamarine 0.471ct Loose Stone
Sale price¥8,800
Brazilian Sky Blue Topaz (untreated) 1.376ct loose stone
Sale price¥12,800
Brazilian Medusa Quartz (Paraiba Quartz) 1.945ct Loose Stone
Sale price¥24,800
Brazilian Goshenite 0.771ct loose stone
Sale price¥6,980
Brazilian copper rutilated quartz 1.334ct loose stone
Sale price¥9,800
Oregon Sunstone from the United States 0.292ct loose stone
Sale price¥8,800
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
Sri Lankan Moonstone 1.959ct Loose
Sale price¥12,800
Sri Lankan Moonstone 0.561ct Loose
Sale price¥6,980
South African Rhodochrosite 0.990ct Loose Stone by Nikkei
Sale price¥128,000
Tanzania Bicolor Zoisite 0.278ct Loose Stone
Sale price¥4,980
Tanzania Bicolor Zoisite 0.357ct Loose Stone
Sale price¥6,980
Tanzanian Almandine Garnet 1.103ct Loose Stone
Sale price¥9,800
Spanish Andalusite 5.7mm/0.706ct loose stone
Sale price¥9,800
Vietnam Aquamarine 1.309ct Loose Stone
Sale price¥12,800
Brazilian Euclase 0.213ct loose stone (bicolor Euclase)
Sale price¥15,800
Tanzania Green Apatite 0.246ct Loose Stone
Sale price¥8,800
Tanzania Green Apatite 0.190ct Loose Stone
Sale price¥6,980
Tanzania Green Apatite 0.329ct Loose Stone
Sale price¥8,800
Emerald 0.308ct loose stone
Sale price¥14,800
Brazilian Dendritic Agate 2.788ct Loose Stone
Sale price¥9,800
[Rouge cut] Morganite 2.059ct loose stone
Sale price¥8,800
Brazilian Pink Tourmaline 0.418ct Loose Stone (Rouge Cut)
Sale price¥9,800
Brazilian copper rutilated quartz 1.410ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 1.647ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 1.560ct 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.