Brazilian Brown Tourmaline 1.529ct Loose Stone
Sale price¥14,800
Brazilian Green Tourmaline 1.059ct Loose Stone
Sale price¥16,800
Green tourmaline 1.190ct loose stone
Sale price¥98,000
[Koshu Precious Stone Cutting Pluethree] Yellow Beryl 0.880ct Loose
Sale price¥29,800
Tanzania Pink Zoisite 5.8mm/0.848ct Loose Stone
Sale price¥198,000
Colombian pyrite-mica emerald 0.739ct loose stone
Sale price¥36,800
Colombian pyrite-mica emerald 0.628ct loose stone
Sale price¥35,800
Brazilian Rubellite 1.027ct Loose Stone
Sale price¥69,800
Namibian Jeremejevite 0.405ct loose stone
Sale price¥128,000
Namibian Jeremejevite 0.394ct loose stone
Sale price¥128,000
Mexican Fire Opal 1.222ct Loose (Faceted Cut)
Sale price¥12,800
Spanish bicolor sphalerite 3.504ct loose stone
Sale price¥38,800
Zimbabwe Apatite (UV Type) 1.393ct Loose Stone
Sale price¥29,800
Brazilian Rubellite Cat's Eye 1.180ct Loose Stone
Sale price¥29,800
Green tourmaline 0.512ct loose stone
Sale price¥9,800
Silky Sapphire from Sri Lanka 1.716ct loose stone
Sale price¥14,800
Tanzanian Zoisite 1.000ct Loose Stone
Sale price¥19,800
Tanzania Bicolor Zoisite 0.645ct Loose Stone
Sale price¥12,800
Madagascar Yellow Sapphire 0.863ct Loose
Sale price¥18,800
Brazilian Sky Blue Topaz (untreated) 2.116ct loose stone
Sale price¥15,800
Mozambique Pink Tourmaline 1.122ct Loose Stone (Contains CuO)
Sale price¥39,800
Zimbabwean Blue Apatite (UV Type) 1.019ct Loose
Sale price¥14,800
Pakistani Lazurite (Azurite) 0.305ct Loose Stone
Sale price¥49,800
American Herkimer Diamond 5.6mm/0.516ct Loose
Sale price¥9,800
Sri Lankan Moonstone 0.561ct Loose
Sale price¥6,980
Spanish Andalusite 5.7mm/0.706ct loose stone
Sale price¥9,800
Purple spinel 0.955ct loose stone
Sale price¥19,800
Brazilian copper rutilated quartz 1.381ct loose stone
Sale price¥8,800
Vietnam Yellow Beryl (Heliodor) 0.904ct Loose Stone
Sale price¥8,800
Mica in Quartz 0.544ct Loose Stone
Sale price¥6,980
Mexican egg-in-opal 1.243ct loose stone
Sale price¥14,800
Mexican egg-in-opal 0.627ct loose stone
Sale price¥8,800
Ethiopian Opal 0.294ct Loose (Heart Shape, Faceted Cut)
Sale price¥6,980
Tanzanian Kornerupine Cat's Eye 1.539ct Loose Stone
Sale price¥9,800
Pink spinel 5.2mm/0.573ct loose stone
Sale price¥6,580
【9/3 22時販売】YAG（イットリウムアルミニウムガーネット） 5.7mm/0.992ctルース
Sale price¥12,800
【9/3 22時販売】ブラジル産ロードナイトインクォーツ 0.438ctルース
Sale price¥8,800
【9/3 22時販売】ブラジル産ロードナイトインクォーツ 5.5mm/0.562ctルース
Sale price¥8,800
[Lottery Sale 0829] Colombian Non-Oil Emerald 0.290ct Loose Stone
Sale price¥188,000
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.