Tanzanian Mandarin Garnet 2.039ct Loose Stone
Sale price¥8,800
Oregon Sunstone 0.713ct loose
Sale price¥6,980
Mexican Cantera Opal 13.531ct Loose
Sale price¥69,800
Mexican Cantera Opal 10.986ct Loose
Sale price¥29,800
Mexican Cantera Opal 7.262ct Loose
Sale price¥19,800
Mexican Cantera Opal 6.710ct Loose
Sale price¥22,800
Mexican Cantera Opal 6.205ct Loose
Sale price¥9,800
Mexican Cantera Opal 5.887ct Loose
Sale price¥12,800
Mexican Fire Opal 0.718ct Loose
Sale price¥9,800
Mexican Fire Opal 0.593ct Loose (Faceted Cut)
Sale price¥9,800
Indian Moonstone 8mm/1.879ct Loose
Sale price¥6,980
Spanish Sphalerite 9.2mm/3.980ct loose stone
Sale price¥49,800
Madagascar sapphire 0.448ct loose stone
Sale price¥19,800
Australian Rainbow Lattice Sunstone 1.746ct Loose Stone
Sale price¥15,800
Spessartite Garnet from Madagascar 1.053ct loose stone
Sale price¥29,800
Tanzanian Mandarin Garnet 0.359ct Loose Stone
Sale price¥22,800
Myanmar orange spinel 0.377ct loose stone
Sale price¥15,800
Bicolor tourmaline 4.448ct loose stone
Sale price¥55,800
Tibetan bicolor andesine 1.485ct loose stone (color change andesine)
Sale price¥18,800
Mongolian bicolor andesine (color change andesine) 1.305ct loose stone
Sale price¥15,800
Mexican Fire Opal 0.599ct Loose
Sale price¥6,980
Madagascar Bicolor Sapphire 0.296ct Loose
Sale price¥7,980
Detroit City Rhodochrosite 4mm/0.434ct Loose Stone
Sale price¥8,800
Mexican Opal 1.666ct Loose
Sale price¥14,800
Oregon Sunstone 0.575ct loose
Sale price¥12,800
Oregon sunstone 0.390ct loose
Sale price¥14,800
Sunstone (Illusion Sunstone) 0.553ct Loose
Sale price¥8,800
[Koshu Precious Stones plusthree] Citrine 5.121ct Loose
Sale price¥39,800
Triplite 0.439ct loose stone
Sale price¥12,800
Non-Oil Emerald 0.555ct Loose Stone by Nikkei
Sale price¥288,000
Madagascar Pezzottaite 0.229ct loose stone
Sale price¥19,800
Mexican Fire Opal 1.833ct Loose
Sale price¥49,800
Ethiopian Opal 2.131ct Loose
Sale price¥12,800
Ethiopian Opal 1.694ct Loose
Sale price¥8,800
Mexican Opal 0.677ct Loose
Sale price¥6,980
Mexican Opal 0.648ct Loose
Sale price¥14,800
Mexican Opal 0.499ct Loose
Sale price¥5,980
Mexican Opal 0.854ct Loose
Sale price¥6,980
Mexican Fire Opal 0.599ct Loose
Sale price¥5,980
Mexican Fire Opal 2.235ct Loose
Sale price¥26,800
Mexican Fire Opal 1.743ct Loose
Sale price¥24,800
Mexican Fire Opal 3.425ct Loose
Sale price¥29,800
Golden Iolite (Cordierite) 0.321ct loose stone
Sale price¥12,800
Mexican Fire Opal 1.104ct Loose
Sale price¥9,800
Brazilian Imperial Topaz 0.826ct Loose
Sale price¥19,800
Brazilian Imperial Topaz 0.746ct Loose
Sale price¥18,800
Brazilian Imperial Topaz 0.413ct Loose Stone
Sale price¥11,000
Brazilian Imperial Topaz 0.402ct Loose Stone
Sale price¥11,000
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.