Brazilian Alexandrite 0.097ct loose stone
Sale price¥18,800
Mexican Hyalite Opal 4.8mm/0.304ct Loose Stone
Sale price¥9,800
Brazilian unheated pink imperial topaz (sherry pink) 0.254ct loose stone
Sale price¥14,800
Brazilian unheated pink imperial topaz (sherry pink) 0.931ct loose stone
Sale price¥98,000
Nigerian Blue Garnite 0.794ct Loose Stone, Japan-Germany Exchange
Sale price¥79,800
American Red Beryl 0.104ct Loose
Sale price¥15,800
Brazilian Lepidocrocite in Quartz 9.0mm/2.735ct Loose Stone
Sale price¥14,800
Colombian Euclase 1.314ct loose stone
Sale price¥39,800
Mozambique Rhodolite Garnet 1.146ct Loose Stone
Sale price¥12,800
Russian Diopside 1.506ct Loose Stone
Sale price¥29,800
Mexican Fire Opal 3.160ct Loose
Sale price¥29,800
Myanmar Musgravite 0.351ct Loose Stone Japan-Germany
Sale price¥188,000
American oil-free red beryl 0.21ct loose GIA
Sale price¥188,000
Indian Moss Agate 19.271ct Loose Stone (Leaf Carving)
Sale price¥6,980
Spanish Sphalerite 4.445ct loose stone
Sale price¥98,000
Labradorite (Spectrolite) from Finland 56.209ct loose
Sale price¥15,800
Mozambique pink tourmaline 1.006ct loose stone
Sale price¥8,800
Brazilian Amphibole in Quartz 32.070ct Loose Patch
Sale price¥6,980
Chinese Fluorite 16.590ct Loose Patch
Sale price¥5,980
Tibetan Andesine 5.2mm/0.453ct Loose Stone
Sale price¥4,980
Mongolian color change andesine 1.486ct loose stone
Sale price¥18,800
Oregon Sunstone from the United States 0.605ct loose stone
Sale price¥8,800
Pakistani Axinite 0.583ct loose stone
Sale price¥8,800
Pakistani Axinite (Blue Tint) 0.300ct Loose
Sale price¥7,980
Green Apatite from Madagascar 1.580ct loose stone
Sale price¥14,800
Mexican Opal (Faceted Cut) 0.496ct Loose
Sale price¥9,800
Mexican Fire Opal (Faceted Cut) 0.608ct Loose
Sale price¥12,800
Mexican Cantera Opal 14.458ct loose stone (faceted cut)
Sale price¥14,800
Synthetic Opal 2.026ct Loose
Sale price¥19,800
Blue beryl (Macis beryl) 0.250ct loose stone
Sale price¥12,800
Indian Moonstone 2.290ct Loose
Sale price¥12,800
Sri Lankan Blue Sapphire 4.3mm/0.371ct Loose Stone
Sale price¥12,800
Madagascar Blue Sapphire (Ice Blue) 0.694ct Loose
Sale price¥18,800
Madagascar Blue Sapphire (Ice Blue) 0.263ct Loose
Sale price¥12,800
Madagascar pink sapphire 0.275ct loose stone
Sale price¥12,800
Brazilian Paraiba Tourmaline in Quartz 6.0mm/0.531ct Loose Stone
Sale price¥29,800
Brazilian Paraiba Tourmaline in Quartz 1.054ct Loose Stone
Sale price¥18,800
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
Namibian Jeremejevite 2.8mm/0.094ct loose stone
Sale price¥5,980
Namibian Jeremejevite 0.055ct loose stone
Sale price¥5,980
Dominican Republic Conch Pearl (with flame pattern) 0.840ct loose
Sale price¥12,800
American Red Beryl 0.260ct Loose
Sale price¥69,800
American Red Beryl 0.254ct Loose
Sale price¥59,800
Russian demantoid garnet (horsetail recognized) 0.291ct loose
Sale price¥69,800
Colombian emerald 0.203ct loose stone with certificate
Sale price¥98,000
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.