Bicolor sapphire 0.853ct loose stone
Sale price¥9,800
Opal 21.584ct loose Japanese and German
Sale price¥8,800
Bicolor Zoisite 1.785ct loose
Sale price¥49,800
Paraiba tourmaline from Brazil 0.252ct loose (CuO:0.9%, MnO:2.0%)
Sale price¥29,800
Cantera opal 14.581ct loose
Sale price¥22,800
Colombian Euclase 3.543ct loose
Sale price¥39,800
South African green diamond rough (makeable) 0.298ct loose
Sale price¥69,800
Color change Andesine 2.311ct loose
Sale price¥25,800
Tanzanite 2.726ct loose
Sale price¥110,000
Bicolor imperial topaz 1.725ct loose
Sale price¥79,800
Madeira Citrine 6mm/0.914ct loose
Sale price¥8,800
Colombian Euclase from Colombia 4.869ct loose
Sale price¥55,800
Green opal 15.950ct loose
Sale price¥29,800
Cambodian blue zircon 4.203ct loose
Sale price¥39,800
Synthetic Moissanite 0.491ct loose stone
Sale price¥4,980
Synthetic Moissanite 0.358ct loose stone
Sale price¥3,980
Prehnite 0.818ct loose stone
Sale price¥3,980
Synthetic Moissanite 0.714ct loose stone
Sale price¥6,980
Pink fluorite 6.530ct loose
Sale price¥5,980
Australian boulder opal 13.190ct loose
Sale price¥18,800
Yellow tourmaline 2.290ct loose
Sale price¥8,800
Red beryl 0.096ct loose
Sale price¥22,800
Benitoite 0.091ct loose
Sale price¥22,800
Pakistani Veirinite 0.251ct Loose Stone with Certificate of Authenticity
Sale price¥55,800
Colombian emerald rough stone 6.590ct
Sale price¥15,800
Australian Prehnite 5.5mm/0.538ct Loose Stone
Sale price¥6,980
1.527ct Australian Prehnite Loose Stone
Sale price¥12,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 4.156ct Loose Stone
Sale price¥18,800
Myanmar Red Spinel 0.174ct Loose Stone
Sale price¥8,800
Brazilian Aquamarine 0.627ct Loose Stone
Sale price¥6,980
Tibetan Andesine 1.449ct Loose Stone
Sale price¥9,800
Kunzite from Afghanistan 3.108ct loose stone
Sale price¥15,800
Grandidierite from Madagascar 0.169ct loose stone
Sale price¥15,800
Ethiopian Opal 6.6mm/0.635ct Loose
Sale price¥9,800
Indian Moonstone 6.2mm/0.775ct Loose Stone
Sale price¥7,980
Indian Moonstone 6.2mm/0.810ct Loose
Sale price¥8,800
Mexican Fire Opal (Faceted) 5.5mm/0.447ct Loose Stone
Sale price¥12,800
Mexican fire opal (faceted cut) 0.417ct loose stone
Sale price¥8,800
Mexican fire opal (faceted cut) 0.198ct loose stone
Sale price¥8,800
Mexican fire opal (faceted cut) 0.515ct loose stone
Sale price¥12,800
Mexican fire opal (faceted cut) 0.167ct loose stone
Sale price¥8,800
American Peridot 0.339ct Loose Stone
Sale price¥6,980
American Peridot 0.373ct Loose Stone
Sale price¥6,980
American Peridot 0.432ct Loose Stone
Sale price¥6,980
American Peridot 0.546ct Loose Stone
Sale price¥5,980
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.