Cassiterite 1.658ct loose stone (bicolor cassiterite) Japan-Germany exchange
Sale price¥128,000
Chinese bicolor fluorite 1.215ct loose stone
Sale price¥7,980
Brazilian Medusa Quartz (Paraiba Quartz) 1.945ct Loose Stone
Sale price¥24,800
Colombian emerald 1.435ct rough stone
Sale price¥18,800
Tanzania Purple Zoisite Rough Stone 1.160ct
Sale price¥8,800
Zimbabwean Blue Apatite (UV type) 1.056ct loose stone
Sale price¥15,800
Brazilian pink tourmaline 1.458ct loose stone
Sale price¥39,800
Brazilian copper rutilated quartz 1.334ct loose stone
Sale price¥9,800
Oregon Sunstone from the United States 1.132ct loose stone
Sale price¥15,800
Sri Lankan Moonstone 1.959ct Loose
Sale price¥12,800
Tanzanian Almandine Garnet 1.103ct Loose Stone
Sale price¥9,800
Vietnam Aquamarine 1.309ct Loose Stone
Sale price¥12,800
Chinese bicolor fluorite 1.192ct loose stone
Sale price¥7,980
Chinese bicolor fluorite 1.088ct loose stone
Sale price¥7,980
Synthetic Opal 1.914ct Loose
Sale price¥15,800
YAG (Yttrium Aluminum Garnet) 7mm/1.686ct Loose Stone
Sale price¥12,800
Congo Carolite 6.2mm/1.481ct Loose Stone Japan-Germany Scale
Sale price¥29,800
Tanzania Bicolor Zoisite 1.608ct Rough Stone
Sale price¥12,800
Tourmaline 1.099ct loose
Sale price¥12,800
Pakistani Clinohumite 1.440ct Loose Stone, Japan-Germany Exchange
Sale price¥29,800
Purple zoisite from Tanzania 1.103ct loose Japanese German edition
Sale price¥98,000
Indian Moonstone 1.946ct Loose
Sale price¥14,800
Amazon Green Opal 1.372ct Loose (Faceted Cut)
Sale price¥8,800
Amazonian green opal 1.814ct loose stone (faceted cut)
Sale price¥9,800
Royal Blue Sapphire 1.182ct Loose (Calfshead) AIGS
Sale price¥98,000
Brazilian Dendritic Agate 1.679ct Loose Stone
Sale price¥8,800
Brazilian copper rutilated quartz 1.410ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 1.352ct 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
Brazilian copper rutilated quartz 1.937ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 1.381ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 1.262ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 1.991ct loose stone
Sale price¥6,980
Brazilian copper rutilated quartz 1.610ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 1.889ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 1.465ct loose stone
Sale price¥8,800
Sri Lankan Chrysoberyl Cat's Eye 1.514ct Loose Stone
Sale price¥6,980
Sri Lankan Chrysoberyl Cat's Eye 1.074ct Loose Stone
Sale price¥5,980
Sri Lankan Chrysoberyl Cat's Eye 1.355ct Loose Stone
Sale price¥6,980
Spanish Sphalerite 7.0mm/1.753ct loose stone
Sale price¥35,800
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.