Zimbabwe bicolor euclase 0.205ct loose stone
Sale price¥98,000
Dominican Republic Conch Pearl 1.990ct Loose (with flame pattern)
Sale price¥29,800
Spanish Sphalerite 11mm/7.286ct loose stone
Sale price¥98,000
Brazilian pyrite in quartz 57.230ct loose stone
Sale price¥25,800
Kenyan gold sheen sapphire 2.3mm/0.079ct loose
Sale price¥6,980
Amazon Green Opal 7mm/0.88ct Loose
Sale price¥7,980
Kenyan Gold Sheen Sapphire 2.2mm/0.080ct Loose
Sale price¥8,800
Paraiba tourmaline from Brazil 0.217ct loose (CuO:1.5%, MnO:0.5%)
Sale price¥39,800
American Axinite 2.10ct loose stone
Sale price¥9,800
American Axinite 1.630ct loose stone
Sale price¥7,980
Zimbabwe bicolor euclase rough stone 0.960ct
Sale price¥39,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 6.020ct Loose Stone
Sale price¥9,800
Colombian emerald 10.940ct rough stone
Sale price¥69,800
Kenyan gold sheen sapphire 2.4mm/0.086ct loose
Sale price¥9,800
Kenyan Gold Sheen Sapphire 2.4mm/0.092ct Loose Stone
Sale price¥8,800
Madagascar Bicolor Sapphire 0.626ct Loose
Sale price¥29,800
Congo hemimorphite 9.849ct loose stone
Sale price¥49,800
Ethiopian Opal 1.521ct Loose
Sale price¥3,980
Ethiopian Opal 1.014ct Loose
Sale price¥3,980
Brazilian cat's eye emerald 4.070ct loose stone
Sale price¥198,000
Myanmar Musgravite/Spinel 8.005ct Loose Stone Japan-Germany
Sale price¥98,000
Australian Iron Opal 17.450ct Loose
Sale price¥12,800
Kunzite from Afghanistan 8.609ct loose stone
Sale price¥14,800
Spanish Andalusite 0.74ct loose stone
Sale price¥6,980
Australian Boulder Opal 41.770ct Loose
Sale price¥29,800
Australian Boulder Opal 15.020ct Loose
Sale price¥18,800
Australian Boulder Opal 12.220ct Loose
Sale price¥12,800
Mexican Fire Opal 1.330ct Loose (Contralus Opal)
Sale price¥19,800
Mexican Fire Opal 1.610ct Loose (Contralus Opal)
Sale price¥19,800
Brazilian Pink Euclase 1.259ct Loose Stone Japan-Germany
Sale price¥398,000
Sri Lankan bicolor sapphire 0.304ct loose stone
Sale price¥14,800
Indian Star Garnet 14.200ct Loose Stone (6 Rows)
Sale price¥5,980
Sri Lankan Purple Star Sapphire 2.461ct Loose
Sale price¥69,800
[Takeshi Yamamoto] Brazilian Ametrine 29.930ct loose stone
Sale price¥79,800
Brazilian Bicolor Tourmaline 4.554ct Ruth Japanese-German Edition
Sale price¥298,000
South African diamond rough stone 0.330ct
Sale price¥5,980
Mexican Cantera Opal 6.112ct Loose
Sale price¥59,800
Mozambique Almandine Garnet 0.477ct Loose Stone
Sale price¥8,800
Australian Prehnite 6.0mm/1.004ct loose stone (rose cut)
Sale price¥8,800
Australian Prehnite 6.0mm/0.993ct loose stone (rose cut)
Sale price¥8,800
Brazilian Rutile Cat's Eye 3.856ct Loose Stone (Red Rutile Quartz)
Sale price¥18,800
Brazilian Rutile Cat's Eye 3.306ct Loose Stone (Red Rutile Quartz)
Sale price¥16,800
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.