Dominican Republic Conch Pearl (with flame pattern) 1.260ct loose
Sale price¥25,800
Dominican Republic Conch Pearl 0.800ct Loose
Sale price¥19,800
Diamond 0.245ct loose stone (E, VS-1, octagon brilliant cut)
Sale price¥39,800
Dominican Republic Conch Pearl (with flame pattern) 0.960ct loose
Sale price¥18,800
Mexican Fire Opal 0.448ct Loose
Sale price¥3,980
Kenyan gold sheen sapphire 0.257ct loose
Sale price¥19,800
Blue sapphire 0.282ct loose stone (teal color)
Sale price¥15,800
American Benitoite 0.150ct loose stone (emerald cut)
Sale price¥69,800
Sri Lankan bicolor sapphire 1.020ct loose stone
Sale price¥59,800
[Star-in cut] Mexican opal 8mm/1.139ct loose stone
Sale price¥39,800
Bicolor Sapphire 5.640ct Loose Stone with Certificate
Sale price¥98,000
Ethiopian Opal 7.2mm/0.910ct Loose Stone
Sale price¥6,980
Sri Lankan Cat's Eye Sapphire 2.177ct Loose
Sale price¥98,000
Madagascar Purple Sapphire 4.5mm/0.393ct Loose Stone
Sale price¥18,800
Madagascar Purple Sapphire 4.5mm/0.435ct Loose Stone
Sale price¥18,800
Dendritic Opal 3.041ct Loose
Sale price¥18,800
Mexican Hyalite Opal 0.873ct Loose
Sale price¥9,800
Mexican Hyalite Opal 3.917ct Loose
Sale price¥15,800
Mexican Hyalite Opal 1.554ct Loose
Sale price¥7,980
Mexican Hyalite Opal 1.687ct Loose
Sale price¥9,800
Mexican Fire Opal (Faceted Cut) 0.934ct Loose
Sale price¥25,800
Ruby 0.258ct loose
Sale price¥18,800
Australian black opal 0.544ct loose stone
Sale price¥18,800
Sri Lankan Yellow Sapphire 0.350ct Loose
Sale price¥12,800
Sri Lankan Yellow Sapphire 0.474ct Loose
Sale price¥15,800
Sri Lankan bicolor sapphire 0.484ct loose stone
Sale price¥12,800
Dominican Republic Conch Pearl 1.990ct Loose (with flame pattern)
Sale price¥29,800
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
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
Ethiopian Opal 1.014ct Loose
Sale price¥3,980
Brazilian cat's eye emerald 4.070ct loose stone
Sale price¥198,000
Burmese Ruby 3.725ct Loose GIA & Chuho
Sale price¥198,000
Australian Iron Opal 17.450ct Loose
Sale price¥12,800
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
Sri Lankan bicolor sapphire 0.304ct loose stone
Sale price¥14,800
Sri Lankan Purple Star Sapphire 2.461ct Loose
Sale price¥69,800
South African diamond rough stone 0.330ct
Sale price¥5,980
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.