Sri Lankan glass body (sapphire crystal) 7.983ct rough stone
Sale price¥29,800
Australian Shell Opal (Shell Opal) 73.321ct Rough Stone
Sale price¥49,800
Colombian pyrite emerald 13.691ct loose stone
Sale price¥398,000
Russian rough diamond (sawable) 0.098ct loose
Sale price¥24,800
Colombian Trapiche Emerald 0.299ct Loose
Sale price¥16,800
Colombian Trapiche Emerald 0.372ct Loose
Sale price¥19,800
American Herkimer Diamond 5.6mm/0.516ct Loose
Sale price¥9,800
Mexican Cantera Opal 4.835ct Loose
Sale price¥19,800
Pt950 South Sea pearl 9.586ct, alexandrite, kornerupine, diamond ring
Sale price¥198,000
Ethiopian Opal 5.2mm/0.688ct Loose (Sphere)
Sale price¥6,980
Russian diamond rough (sawable) 0.094ct rough
Sale price¥24,800
Montana Sapphire 0.405ct Loose (Green Sapphire)
Sale price¥9,800
Pink sapphire 0.271ct loose stone
Sale price¥8,800
Purple sapphire 4mm/0.273ct loose stone
Sale price¥12,800
Yellow Sapphire 4.0mm/0.266ct Loose
Sale price¥12,800
Pink sapphire 4.5mm/0.390ct loose stone
Sale price¥15,800
Violet Sapphire 4.3mm/0.328ct Loose
Sale price¥15,800
Madagascar Yellow Sapphire 0.863ct Loose
Sale price¥18,800
Silky Sapphire from Sri Lanka 1.716ct loose stone
Sale price¥14,800
Sri Lankan Silky Sapphire 6.4mm/1.036ct Loose Stone
Sale price¥12,800
Mexican Fire Opal 1.222ct Loose (Faceted Cut)
Sale price¥12,800
Mexican Fire Opal 0.576ct Loose (Faceted Cut)
Sale price¥9,800
Colombian emerald 0.231ct loose stone
Sale price¥28,800
Colombian pyrite-mica emerald 0.628ct loose stone
Sale price¥35,800
Colombian pyrite-mica emerald 0.739ct loose stone
Sale price¥36,800
Diamond 0.128ct loose stone (cabochon cut, maroon cut)
Sale price¥39,800
Australian black opal 9.709ct loose stone
Sale price¥158,000
Mexican Fire Opal 6.7mm/0.953ct Loose
Sale price¥25,800
Colombian Trapiche Emerald 1.494ct Loose
Sale price¥69,800
Kenyan Gold Sheen Sapphire 3.5mm/0.273ct Loose Stone
Sale price¥22,800
Kenyan Gold Sheen Sapphire 3.6mm/0.302ct Loose Stone
Sale price¥35,800
Diamond (cabochon cut) 0.183ct loose
Sale price¥24,800
Australian Shell Opal (Shell Opal) 51.801ct Rough Stone
Sale price¥25,800
Mexican Cantera Opal 11.105ct Loose
Sale price¥12,800
Mexican Cantera Opal 1.534ct Loose
Sale price¥8,800
Mexican Cantera Opal 2.982ct Loose
Sale price¥14,800
Mexican Cantera Opal 7.460ct Loose
Sale price¥29,800
Mexican Cantera Opal 4.973ct Loose
Sale price¥15,800
Mexican Cantera Opal 3.280ct Loose
Sale price¥9,800
Mexican Cantera Opal 2.809ct Loose
Sale price¥25,800
Mexican Cantera Opal 5.647ct Loose
Sale price¥19,800
Sri Lankan White Sapphire 0.385ct Loose
Sale price¥14,800
Sri Lankan Yellow Sapphire 0.261ct Loose
Sale price¥12,800
Mexican Yellow Opal 0.428ct Loose
Sale price¥8,800
Mexican Yellow Opal 0.673ct Loose
Sale price¥8,800
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.