Sri Lankan Peristerite 0.272ct Loose Stone
Sale price¥11,000
Brazilian Morganite 0.377ct loose stone
Sale price¥8,800
Russian Demantoid Garnet (Horsetail) 2.5mm/0.075ct Loose Stone
Sale price¥12,800
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
Australian boulder opal 1.457ct loose stone
Sale price¥9,800
Brazilian London Blue Topaz 0.415ct Loose Stone
Sale price¥6,980
Pakistani sphene 0.396ct loose stone
Sale price¥9,800
Pakistani sphene 0.489ct loose stone
Sale price¥11,000
German Auchenite 0.095ct loose stone
Sale price¥39,800
German Auchenite 0.085ct loose stone
Sale price¥45,800
Greenland Ruby 3.6mm/0.220ct Loose Stone with Certificate
Sale price¥39,800
Greenland Ruby 3.6mm/0.210ct Loose Stone with Certificate
Sale price¥45,800
Greenland Ruby 3.0mm/0.134ct Loose Stone with Certificate
Sale price¥25,800
American Benitoite 0.165ct loose stone
Sale price¥59,800
Brazilian Dendritic Quartz 4.272ct Loose Stone
Sale price¥5,980
0.333ct loose sapphire
Sale price¥8,800
Indian Iolite Sunstone 0.228ct Loose Stone
Sale price¥6,980
Brazilian Amethyst 5.883ct Loose Stone
Sale price¥9,800
Taaffeite from Myanmar 0.580ct Ruth Japanese German edition
Sale price¥39,800
Oregon Sunstone from the United States 2.731ct loose stone
Sale price¥29,800
Brazilian bicolor tourmaline 1.056ct loose
Sale price¥12,800
Rough diamond (makeable) 0.185ct loose (VS-SI)
Sale price¥19,800
Brazilian bicolor tourmaline 0.877ct loose
Sale price¥12,800
Rough diamond (makeable) 0.345ct loose (VS-SI equivalent)
Sale price¥29,800
Sunstone (Illusion Sunstone) 0.844ct Loose
Sale price¥8,800
Sunstone (Illusion Sunstone) 0.895ct loose stone
Sale price¥8,800
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 Color-Shifting Amethyst 0.849ct Loose Stone
Sale price¥8,800
0.424ct Indian Chrysoberyl Loose Stone (Canary Yellow)
Sale price¥15,800
Brazilian Aquamarine 0.334ct Loose Stone
Sale price¥6,980
Mozambique Rhodolite Garnet 1.052ct Loose Stone
Sale price¥8,800
Brazilian Blue Topaz 5.5mm/0.754ct Loose Stone
Sale price¥5,980
Prehnite 5.6mm/0.565ct loose
Sale price¥3,980
Prehnite 5.3mm/0.469ct loose
Sale price¥3,980
Pink zircon 0.508ct loose
Sale price¥6,980
Goethite in Amethyst 0.806ct loose stone
Sale price¥4,980
Brazilian emerald cat's eye 0.459ct loose
Sale price¥5,980
Bicolor tourmaline 5.825ct loose
Sale price¥128,000
Sri Lankan star sapphire 1.323ct loose
Sale price¥3,980
Sri Lankan star sapphire 1.061ct loose
Sale price¥3,980
Brazilian emerald 3.3mm/0.119ct loose
Sale price¥22,800
Bicolor tourmaline 1.140ct loose
Sale price¥19,800
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.