Sky blue topaz 0.428ct loose stone
Sale price¥5,980
Sky blue topaz 0.563ct loose stone
Sale price¥5,980
Pink spinel 0.365ct loose stone
Sale price¥9,800
Brazilian Medusa Quartz (Paraiba Quartz) 0.400ct Loose
Sale price¥6,980
Moss agate 1.285ct loose stone
Sale price¥5,980
Brazilian Medusa Quartz (Paraiba Quartz) 1.975ct Loose Stone
Sale price¥25,800
Tanzanian Kornerupine Cat's Eye 0.986ct Loose Stone
Sale price¥5,980
Tanzanian Kornerupine 0.198ct loose stone
Sale price¥18,800
Medusa Quartz (Paraiba Quartz) 1.666ct loose
Sale price¥18,800
Mexican egg-in-opal 0.672ct loose stone
Sale price¥11,000
Mexican egg-in-opal 0.865ct loose stone
Sale price¥12,800
Mica in Quartz 0.588ct Loose Stone
Sale price¥5,980
Mica in Quartz 0.760ct Loose
Sale price¥5,980
Mica in Quartz 0.864ct Loose Stone
Sale price¥5,980
Australian black opal 2.277ct loose stone (play of color on both sides)
Sale price¥34,800
Brazilian Imperial Topaz 0.153ct Loose
Sale price¥5,980
Brazilian Imperial Topaz 0.349ct Loose Stone
Sale price¥12,800
Brazilian Imperial Topaz 0.357ct Loose Stone
Sale price¥12,800
Brazilian Apatite in Jasper 1.477ct Loose Stone
Sale price¥5,980
Tanzanian Kornerupine Cat's Eye 1.331ct Loose Stone
Sale price¥5,980
Green Zoisite 0.703ct Loose Stone
Sale price¥22,800
South African Rhodochrosite Loose Stone 0.749 ct
Sale price¥98,000
Iridescent Tourmaline 3.107ct Loose Stone
Sale price¥37,800
0.113 ct Zimbabwe Euclase loose gemstone
Sale price¥45,800
Zimbabwean apatite loose stone, 3.156 ct
Sale price¥25,800
Zimbabwean apatite, 1.713 ct loose
Sale price¥19,800
Bicolor Euclase from Zimbabwe 0.539ct Rough
Sale price¥25,800
Uncut Zimbabwe Euclase 0.443ct
Sale price¥29,800
Bicolor Euclase from Zimbabwe 0.596ct Rough
Sale price¥29,800
2.946 ct loose barite from Guizhou, China, with a gemological report
Sale price¥69,800
Strawberry quartz from Kazakhstan 0.915ct loose
Sale price¥6,980
Mexican Opal 0.502ct Loose (Faceted Cut)
Sale price¥9,800
Brazilian Paraiba tourmaline in quartz 0.819ct loose
Sale price¥14,800
Sunstone (Illusion Sunstone) 1.908ct loose
Sale price¥8,800
Moss Agate 1.115ct loose
Sale price¥8,800
Moss Agate 0.771ct loose
Sale price¥6,980
Oregon Sunstone 0.226ct loose
Sale price¥4,980
Oregon Sunstone 0.217ct loose
Sale price¥4,980
Bicolor tourmaline 1.198ct loose
Sale price¥12,800
Brazilian Imperial Topaz 0.826ct Loose
Sale price¥18,800
Mexican Cantera Opal 15.195ct Loose
Sale price¥12,800
YAG (Yttrium Aluminum Garnet) 1.171ct loose stone
Sale price¥14,800
YAG (Yttrium Aluminum Garnet) 1.357ct loose stone
Sale price¥15,800
Synthetic Moissanite 4.924ct loose stone
Sale price¥29,800
Pakistan scheelite 1.061ct loose (orange scheelite)
Sale price¥25,800
Synthetic Moissanite 8.931ct loose stone
Sale price¥45,800
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.