Brazilian bicolor tourmaline 3.569ct loose
Sale price¥35,800
Bicolor Benitoite 0.194ct loose (square cut)
Sale price¥128,000
Bicolor tourmaline 0.669ct loose (rose cut)
Sale price¥8,800
Bicolor tourmaline 0.549ct loose (rose cut)
Sale price¥8,800
Rose quartz 18.410ct loose (pineapple cut)
Sale price¥5,980
Green quartz 10.330ct loose (pineapple cut)
Sale price¥4,980
Andalusite 5mm/0.480ct loose
Sale price¥3,980
American Benitoite 0.165ct loose stone
Sale price¥59,800
Indian Iolite Sunstone 0.228ct Loose Stone
Sale price¥6,980
Brazilian Amethyst 5.883ct Loose Stone
Sale price¥9,800
Mexican Opal (Faceted) 0.242ct Loose
Sale price¥8,800
Pakistani Ludwigite Peridot 0.615ct Loose Stone
Sale price¥7,980
2.472ct loose Larimar from the Dominican Republic
Sale price¥6,980
Brazilian bicolor tourmaline 1.965ct loose stone
Sale price¥18,800
Russian Demantoid Garnet (Horsetail) 0.036ct Loose Stone
Sale price¥6,980
Russian Demantoid Garnet (Horsetail) 3.8mm/0.255ct Loose Stone
Sale price¥39,800
2.568ct loose Larimar from the Dominican Republic
Sale price¥8,800
Brazilian Aquamarine 0.334ct Loose Stone
Sale price¥6,980
Brazilian Color-Shifting Amethyst 0.849ct Loose Stone
Sale price¥8,800
0.424ct Indian Chrysoberyl Loose Stone (Canary Yellow)
Sale price¥15,800
Brazilian Blue Topaz 5.5mm/0.754ct Loose Stone
Sale price¥5,980
Mozambique Rhodolite Garnet 1.052ct Loose Stone
Sale price¥8,800
American Benitoite 0.185ct Loose Stone
Sale price¥128,000
American Benitoite 0.175ct Loose Stone
Sale price¥128,000
Tanzanian Peristerite 5.1mm/0.503ct Loose Stone (Rose Cut)
Sale price¥9,800
Tanzanian Peristerite 5.1mm/0.458ct Loose Stone (Rose Cut)
Sale price¥9,800
0.727ct Bicolor Sphalerite Loose Stone from Spain
Sale price¥9,800
Brazilian London Blue Topaz 0.415ct Loose Stone
Sale price¥6,980
Australian boulder opal 1.457ct loose stone
Sale price¥9,800
Brazilian Morganite 0.484ct loose stone
Sale price¥12,800
Brazilian Morganite 0.377ct loose stone
Sale price¥8,800
Australian Prehnite 1.758ct loose stone
Sale price¥9,800
Brazilian Aquamarine 0.428ct Loose Stone
Sale price¥8,800
Sri Lankan Peristerite 0.272ct Loose Stone
Sale price¥11,000
Tanzanian Bicolor Zoisite 5.5mm/0.703ct Loose Stone
Sale price¥12,800
Chinese Cinnabar 1.358ct Loose Stone with Certificate of Authenticity
Sale price¥22,800
Russian Demantoid Garnet (Horsetail) 2.5mm/0.079ct Loose Stone
Sale price¥12,800
Russian Demantoid Garnet (Horsetail) 2.5mm/0.075ct Loose Stone
Sale price¥12,800
Russian Demantoid Garnet (Horsetail) 2.5mm/0.073ct Loose Stone
Sale price¥14,800
Russian Demantoid Garnet (Horsetail) 0.487ct Loose Stone
Sale price¥110,000
Russian Alexandrite 0.088ct loose stone
Sale price¥59,800
Russian Alexandrite 0.058ct loose stone
Sale price¥49,800
Greenland Ruby 3.6mm/0.220ct Loose Stone with Certificate
Sale price¥39,800
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.