Vietnam Aquamarine 0.398ct Loose
Sale price¥5,980
Vietnam Aquamarine 0.494ct Loose Stone
Sale price¥8,800
Brazilian Blue Tourmaline 0.196ct Loose
Sale price¥6,980
[12550865] 0.203ct loose zoisite from Tanzania
Sale price¥5,980
Myanmar Violet Spinel 0.426ct Loose
Sale price¥8,800
American Red Beryl 0.147ct Loose
Sale price¥35,800
American Red Beryl 0.132ct Loose
Sale price¥33,800
South African diamond rough (sawable) 0.110ct rough
Sale price¥22,800
Brazilian Pink Tourmaline 0.470ct Loose Stone
Sale price¥9,800
Mexican Opal 0.499ct Loose
Sale price¥3,980
American red beryl 0.143ct loose
Sale price¥35,800
Bicolor tourmaline 0.429ct loose
Sale price¥5,980
Bicolor Tourmaline 0.378ct Loose Stone (Hexagonal Cut)
Sale price¥8,800
Yellow Opal 0.372ct Loose (Faceted Cut)
Sale price¥8,800
Tanzanian Kornerupine 0.172ct loose stone
Sale price¥12,800
Tanzanian Kornerupine 0.213ct loose stone
Sale price¥12,800
Color change sapphire 0.473ct loose stone (purple sapphire)
Sale price¥25,800
Madagascar Green Sapphire 0.253ct Loose
Sale price¥9,800
Madagascar Yellow Sapphire 4.4mm/0.417ct Loose
Sale price¥14,800
Madagascar Blue Sapphire 0.302ct Loose
Sale price¥15,800
Madagascar pink sapphire 0.346ct loose stone
Sale price¥15,800
Madagascar pink sapphire 0.243ct loose stone
Sale price¥8,800
0.165ct Unheated Silky Pink Sapphire from Vietnam
Sale price¥5,980
American red beryl 0.160ct loose
Sale price¥89,800
Mozambique Aquamarine 0.216ct Loose Stone
Sale price¥6,980
American Peridot 0.339ct Loose Stone
Sale price¥6,980
Aquamarine 0.327ct loose stone
Sale price¥9,800
Yellow sapphire 0.287ct loose stone
Sale price¥8,800
Pink sapphire 0.202ct loose stone
Sale price¥8,800
Unheated Mozambique Ruby 2.7mm/0.135ct Loose
Sale price¥19,800
Colombian Trapiche emerald 0.418ct rough stone
Sale price¥39,800
Russian Demantoid Garnet Cat's Eye (Horsetail Recognized) 0.200ct Loose
Sale price¥18,800
Colombian emerald 0.145ct loose stone with precious stone
Sale price¥29,800
Namibian Jeremejevite 0.261ct loose stone
Sale price¥45,800
Jeremejevite 0.201ct loose stone
Sale price¥29,800
Tanzanian Kornerupine 0.300ct Loose Stone
Sale price¥18,800
Tanzanian Kornerupine 0.210ct loose stone
Sale price¥11,000
Tanzanian Kornerupine 0.220ct loose stone
Sale price¥6,980
Tanzanian Kornerupine 0.229ct loose stone
Sale price¥9,800
Tanzanian Kornerupine 0.249ct loose stone
Sale price¥15,800
Tanzanian Kornerupine 0.303ct loose stone
Sale price¥6,980
Tanzanian Kornerupine 0.201ct loose stone
Sale price¥14,800
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.