Oregon Sunstone from the United States 6.0mm/0.844ct loose stone
Sale price¥25,800
Tanzanite from Tanzania 0.767ct loose stone
Sale price¥29,800
Oregon Sunstone from the United States 0.941ct loose stone
Sale price¥29,800
Bicolor Benitoite 0.601ct Loose Japanese-German Edition
Sale price¥458,000
Spanish Andalusite 0.776ct loose stone
Sale price¥11,800
Colombian pyrite-mica emerald 0.628ct loose stone
Sale price¥35,800
Brazilian Rubellite 1.027ct Loose Stone
Sale price¥69,800
Mexican Fire Opal 0.576ct Loose (Faceted Cut)
Sale price¥9,800
Madagascar sphene 0.665ct loose stone
Sale price¥12,800
Zimbabwean Apatite (UV type) 0.585ct loose stone
Sale price¥12,800
Tanzania Color Change Garnet 0.789ct Loose Stone
Sale price¥9,800
Myanmar pink spinel 0.520ct loose stone
Sale price¥12,800
Sri Lankan Silky Sapphire 6.4mm/1.036ct Loose Stone
Sale price¥12,800
Tanzanian Kornerupine 0.453ct loose stone
Sale price¥24,800
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
Mexican Danburite 7.0mm/1.224ct loose stone
Sale price¥9,800
Brazilian Sky Blue Topaz (untreated) 1.376ct loose stone
Sale price¥12,800
Mozambique Pink Tourmaline 1.122ct Loose Stone (Contains CuO)
Sale price¥39,800
Chinese bicolor fluorite 1.215ct loose stone
Sale price¥7,980
Bicolor Fluorite 6.1mm/0.869ct Loose Stone
Sale price¥6,980
Colombian Trapiche Emerald 0.416ct Loose
Sale price¥22,800
Brazilian Goshenite 0.771ct loose stone
Sale price¥6,980
Chinese bicolor fluorite 0.950ct loose stone
Sale price¥6,980
Colombian Trapiche Emerald 0.372ct Loose
Sale price¥19,800
Flower rutilated quartz 0.955ct loose stone
Sale price¥9,800
Synthetic Alexandrite 0.578ct loose stone
Sale price¥12,800
Tanzanite from Tanzania 0.491ct loose stone
Sale price¥8,800
Tanzanite from Tanzania 0.466ct loose stone
Sale price¥8,800
Sri Lankan Moonstone 0.561ct Loose
Sale price¥6,980
South African Rhodochrosite 0.990ct Loose Stone by Nikkei
Sale price¥128,000
Tanzanian Almandine Garnet 1.103ct Loose Stone
Sale price¥9,800
Brazilian Green Tourmaline 0.182ct Loose Stone
Sale price¥8,800
Namibian Jeremejevite 0.307ct loose stone by Nikkei
Sale price¥22,800
Purple spinel 0.955ct loose stone
Sale price¥19,800
Tanzanian Lavender Tanzanite 0.498ct Loose Stone
Sale price¥14,800
Tanzanian Lavender Tanzanite 0.558ct Loose Stone
Sale price¥12,800
Tanzanian bicolor tanzanite 0.573ct loose stone
Sale price¥15,800
Tanzanian Lavender Tanzanite 0.577ct Loose Stone
Sale price¥15,800
[Rouge cut] Morganite 2.059ct 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.