Brazilian Swiss Blue Topaz 1.042ct Loose Stone
Sale price¥9,800
Brazilian Swiss Blue Topaz 1.043ct Loose Stone
Sale price¥8,800
Brazilian Blue Topaz 1.355ct Loose
Sale price¥8,800
Brazilian Blue Topaz 0.766ct Loose Stone
Sale price¥6,980
Brazilian Sky Blue Topaz 1.086ct Loose
Sale price¥8,800
Colombian fluorite 6.327ct loose stone
Sale price¥25,800
Colombian fluorite 5.903ct loose stone
Sale price¥18,800
0.167 ct Loose Benitoite from the USA, with identification certificate
Sale price¥59,800
Sri Lankan bicolor sapphire 1.020ct loose stone
Sale price¥59,800
Mexican Hyalite Opal 0.664ct Loose
Sale price¥6,980
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
Chinese Fluorite 16.590ct Loose Patch
Sale price¥5,980
Mexican Fire Opal (Faceted Cut) 0.934ct Loose
Sale price¥25,800
Australian black opal 0.544ct loose stone
Sale price¥18,800
Brazilian Sky Blue Topaz (untreated) 2.560ct loose stone
Sale price¥12,800
American Red Beryl 0.254ct Loose
Sale price¥59,800
Madagascar Bicolor Sapphire 0.626ct Loose
Sale price¥29,800
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
Mexican Fire Opal (Faceted Cut) 0.608ct Loose
Sale price¥12,800
Brazilian Paraiba Tourmaline in Quartz 7.9mm/1.133ct Loose Stone
Sale price¥22,800
Brazilian Paraiba Tourmaline in Quartz 1.530ct Loose Stone
Sale price¥29,800
Brazilian Paraiba Tourmaline in Quartz 3.046ct loose stone
Sale price¥45,800
Brazilian Paraiba Tourmaline in Quartz 4.5mm/0.328ct Loose Stone
Sale price¥12,800
Synthetic Black Opal 5.013ct Loose
Sale price¥59,800
American Benitoite 3.5mm/0.192ct Loose Stone (Contains Minerals)
Sale price¥69,800
Mexican Fire Opal 1.320ct Loose
Sale price¥13,800
Brazilian Petalite 1.659ct loose stone
Sale price¥12,800
Brazilian bicolor tourmaline 12.842ct loose
Sale price¥298,000
Mexican Hyalite Opal 4.9mm/0.348ct Loose
Sale price¥12,800
Mexican Hyalite Opal 6.9mm/1.134ct Loose
Sale price¥25,800
Mexican Hyalite Opal 6.1mm/0.652ct Loose Stone
Sale price¥25,800
Mexican Hyalite Opal 4.8mm/0.304ct Loose Stone
Sale price¥9,800
Mexican Hyalite Opal 5.0mm/0.378ct Loose Stone
Sale price¥11,000
Blue beryl (Macisi beryl) 0.193ct loose stone
Sale price¥8,800
Blue beryl (Macis beryl) 0.166ct loose stone
Sale price¥8,800
Mexican fire opal (faceted cut) 0.387ct loose stone
Sale price¥14,800
Tanzania Peristallite 5.4mm/0.397ct loose stone
Sale price¥7,980
Brazilian Paraiba Tourmaline in Quartz 0.712ct Loose Stone
Sale price¥15,800
Brazilian Paraiba Tourmaline in Quartz 6.0mm/0.718ct Loose Stone
Sale price¥18,800
Brazilian Paraiba Tourmaline in Quartz 6.0mm/0.656ct Loose Stone
Sale price¥15,800
Brazilian Golden Beryl 7.3mm/1.391ct Loose Stone
Sale price¥8,800
Synthetic black opal 1.209ct loose stone
Sale price¥18,800
Prehnite 3.016ct loose stone
Sale price¥6,980
Myanmar Podretteite 0.790ct loose stone
Sale price¥198,000
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.