Bolivian Ametrine 36.887ct loose stone
Sale price¥98,000
Sri Lankan Yellow Sapphire 0.267ct Loose
Sale price¥14,800
Canary Yellow Tourmaline from Mozambique 0.142ct loose stone
Sale price¥8,800
Nigerian bicolor tourmaline 0.379ct loose stone
Sale price¥8,800
Brazilian Green Tourmaline 0.332ct Loose Stone
Sale price¥9,800
Brazilian Green Tourmaline 0.376ct Loose Stone
Sale price¥9,800
Brazilian Green Tourmaline 0.883ct Loose Stone
Sale price¥19,800
Brazilian Green Tourmaline 0.825ct Loose Stone
Sale price¥9,800
Brazilian Paraiba Tourmaline 0.360ct Loose GIA
Sale price¥298,000
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 0.344ct Loose Stone
Sale price¥12,800
Tanzania Bicolor Zoisite 4.7mm/0.486ct Loose Stone
Sale price¥12,800
Tanzanite from Tanzania 0.497ct loose stone
Sale price¥12,800
Tanzania Bicolor Zoisite 4.8mm/0.540ct Loose Stone
Sale price¥12,800
Tanzania Bicolor Zoisite 4.6mm/0.489ct Loose Stone
Sale price¥12,800
Australian black opal 3.242ct loose stone
Sale price¥69,800
Tanzania Bicolor Zoisite 0.295ct Loose Stone
Sale price¥8,800
Tanzanite from Tanzania 0.245ct loose stone
Sale price¥9,800
Canary Yellow Tourmaline from Mozambique 0.132ct loose stone
Sale price¥8,800
Canary Yellow Tourmaline from Mozambique 0.190ct loose stone
Sale price¥8,800
Spanish Sphalerite 7.0mm/1.753ct loose stone
Sale price¥35,800
Sri Lankan Chrysoberyl Cat's Eye 1.355ct 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 1.514ct Loose Stone
Sale price¥6,980
Almandine Garnet 1.471ct Loose Stone
Sale price¥15,800
Synthetic Moissanite 0.634ct loose stone
Sale price¥9,800
Australian black opal 3.322ct loose stone
Sale price¥98,000
Aventurine aquamarine 1.450ct loose
Sale price¥8,800
Vietnam Yellow Beryl (Heliodor) 0.911ct Loose Stone
Sale price¥8,800
Vietnam Yellow Beryl (Heliodor) 0.904ct Loose Stone
Sale price¥8,800
Synthetic Moissanite 5.8mm/0.682ct Loose Stone
Sale price¥9,800
Synthetic Moissanite 5.8mm/0.678ct Loose Stone
Sale price¥9,800
Sri Lankan Yellow Sapphire 0.406ct Loose
Sale price¥9,800
Blue sapphire 0.231ct loose
Sale price¥9,800
Mexican Cantera Opal 4.158ct Loose
Sale price¥15,800
Mexican Cantera Opal 7.720ct Loose
Sale price¥22,800
Bicolor Fluorite 0.763ct Loose
Sale price¥9,800
Almandine Garnet 1.058ct Loose Stone
Sale price¥12,800
Almandine Garnet 1.485ct Loose Stone
Sale price¥15,800
Sri Lankan Yellow Sapphire 0.349ct Loose
Sale price¥12,800
Myanmar Pink Taaffeite 0.340ct Loose GIT
Sale price¥39,800
Russian rough diamond (sawable) 0.088ct loose
Sale price¥22,800
Synthetic Alexandrite 0.287ct loose stone
Sale price¥8,800
Montana Agate 9.528ct Loose
Sale price¥9,800
Oregon Sunstone from the United States 0.736ct 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.