Oregon Sunstone from the United States 8.8mm/1.603ct loose stone
Sale price¥14,800
Brazilian Golden Beryl 9mm/2.438ct Loose Stone
Sale price¥12,800
Tanzania Peristerite 1.592ct Loose Stone (Blue Moonstone)
Sale price¥14,800
Brazilian bicolor tourmaline 0.837ct loose stone
Sale price¥15,800
Madagascar sapphire 0.564ct loose stone
Sale price¥12,800
Madagascar sapphire 0.647ct loose stone
Sale price¥14,800
Madagascar pink sapphire 0.594ct loose stone
Sale price¥14,800
Madagascar Yellow Sapphire 0.571ct Loose
Sale price¥14,800
Sri Lankan Blue Sapphire 0.344ct Loose
Sale price¥12,800
Tanzanite from Tanzania 0.609ct loose stone
Sale price¥15,800
Brazilian Dumortierite in Quartz 2.116ct loose stone
Sale price¥18,800
Zambian Canary Yellow Tourmaline 4.0mm/0.277ct Loose Stone
Sale price¥12,800
Sri Lankan White Sapphire 4.0mm/0.275ct Loose
Sale price¥12,800
Brazilian Green Tourmaline 0.457ct Loose Stone
Sale price¥15,800
Mexican Fire Opal 0.343ct Loose
Sale price¥15,800
Tanzanian Rhodolite Garnet 1.329ct Loose Stone
Sale price¥15,800
Mozambique Almandine Garnet 6.7mm/1.308ct Loose Stone
Sale price¥12,800
Mozambique Almandine Garnet 1.065ct Loose Stone
Sale price¥11,000
Mozambique Almandine Garnet 1.052ct Loose Stone
Sale price¥12,800
Mozambique Almandine Garnet 1.465ct Loose Stone
Sale price¥15,800
Mozambique Almandine Garnet 1.602ct Loose Stone
Sale price¥15,800
Mozambique Almandine Garnet 1.229ct Loose Stone
Sale price¥12,800
Synthetic Moissanite (Grey) 8.5mm/2.126ct Loose Stone
Sale price¥18,800
Synthetic Moissanite 1.186ct loose stone
Sale price¥12,800
Synthetic Moissanite 1.186ct loose stone
Sale price¥12,800
Mexican Cantera Opal 5.238ct Loose
Sale price¥15,800
Mexican Cantera Opal 4.602ct Loose
Sale price¥29,800
Mexican Cantera Opal 5.126ct Loose
Sale price¥25,800
Brazilian Indigolite Tourmaline in Quartz 2.036ct Loose Stone
Sale price¥12,800
Madagascar Pezzottaite 0.177ct loose stone
Sale price¥11,000
Madagascar Pezzottaite 0.206ct loose stone
Sale price¥12,800
Pakistani Axinite (Green Tint) 0.880ct Loose Stone
Sale price¥19,800
Bekiri Blue Garnet (Color Change Garnet) from Madagascar 0.160ct Loose
Sale price¥16,800
Bekiri Blue Garnet (Color Change Garnet) from Madagascar 0.170ct Loose
Sale price¥17,800
Madagascar sphene 1.751ct loose stone
Sale price¥19,800
Russian Demantoid Garnet 2.5mm/0.111ct Loose Stone
Sale price¥18,800
Brazilian Swiss Blue Topaz 10.958ct Loose
Sale price¥14,800
Brazilian Swiss Blue Topaz 11.536ct Loose
Sale price¥14,800
Brazilian Swiss Blue Topaz 17.410ct Loose
Sale price¥27,800
American Benitoite 0.077ct loose stone
Sale price¥25,800
American Benitoite 0.083ct loose stone
Sale price¥22,800
Afghanistan Bicolor Tourmaline 0.673ct Loose Stone
Sale price¥15,800
American Red Beryl 0.140ct Loose
Sale price¥29,800
Oregon Sunstone from the United States 1.455ct loose stone
Sale price¥15,800
Sri Lankan Andalusite 0.750ct loose stone
Sale price¥12,800
Sri Lankan White Sapphire 4.0mm/0.242ct Loose Stone
Sale price¥12,800
YAG (Yttrium Aluminum Garnet) 2.861ct loose stone
Sale price¥25,800
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.