Synthetic Moissanite 10mm/3.340ct Loose Stone
Sale price¥18,800
2.801ct loose stone of Rogerian fluorite from the UK
Sale price¥8,800
2.744ct loose Rogerley fluorite from the UK
Sale price¥8,800
Brazilian Green Spodumene 9.0mm/2.271ct Loose Stone
Sale price¥12,800
Brazilian Green Spodumene 9.0mm/2.747ct Loose Stone
Sale price¥18,800
Brazilian bicolor topaz 2.618ct loose stone (untreated)
Sale price¥18,800
Madagascar Iolite 2.272ct loose stone
Sale price¥19,800
Nigerian Morganite 2.745ct loose stone
Sale price¥12,800
Madagascar Iolite 3.129ct loose stone
Sale price¥39,800
Brazilian Green Spodumene 10mm/4.505ct Loose Stone
Sale price¥19,800
Brazilian Rhodonite 2.316ct loose stone
Sale price¥39,800
Brazilian Green Tourmaline 4.613ct Loose Stone
Sale price¥39,800
Sakura Shape Brazilian Topaz 8.1mm/2.211ct Loose Stone
Sale price¥29,800
Sri Lankan Cat's Eye Sapphire 2.177ct Loose
Sale price¥98,000
Dendritic Opal 3.041ct Loose
Sale price¥18,800
Sri Lankan zircon 3.614ct loose stone
Sale price¥29,800
Afghanistan Lazurite in Sodalite 2.387ct Loose Stone
Sale price¥39,800
Mexican Hyalite Opal 3.917ct Loose
Sale price¥15,800
Brazilian Dumortierite in Quartz 3.188ct loose stone (faceted cut)
Sale price¥12,800
Brazilian Rubellite 2.439ct loose stone
Sale price¥69,800
Spanish Sphalerite 4.445ct loose stone
Sale price¥98,000
Brazilian Lepidocrocite in Quartz 9.0mm/2.735ct Loose Stone
Sale price¥14,800
Pyrope Almandine Garnet 2.514ct Loose Stone
Sale price¥29,800
Moloxite (Green Apatite) from Madagascar 4.087ct Loose Stone
Sale price¥39,800
Brazilian Sky Blue Topaz (untreated) 2.560ct loose stone
Sale price¥12,800
American Axinite 2.10ct loose stone
Sale price¥9,800
Brazilian cat's eye emerald 4.070ct loose stone
Sale price¥198,000
Burmese Ruby 3.725ct Loose GIA & Chuho
Sale price¥198,000
Sri Lankan Purple Star Sapphire 2.461ct Loose
Sale price¥69,800
Brazilian Bicolor Tourmaline 4.554ct Ruth Japanese-German Edition
Sale price¥298,000
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
Synthetic Opal 2.026ct Loose
Sale price¥19,800
Indian Moonstone 2.290ct Loose
Sale price¥12,800
Brazilian Paraiba Tourmaline in Quartz 3.046ct loose stone
Sale price¥45,800
Australian white opal 2.318ct loose
Sale price¥12,800
Brazilian Bicolor Tourmaline Cat's Eye 9.5mm/4.730ct Loose Stone
Sale price¥18,800
Zimbabwean Euclase 2.976ct rough stone
Sale price¥98,000
Brazilian bicolor tourmaline cat's eye 2.640ct loose stone
Sale price¥12,800
Colombian pyrite emerald 2.380ct rough stone
Sale price¥29,800
Euclase from Colombia 2.443ct Ruth Japanese German edition
Sale price¥148,000
Pakistani bicolor sphene 3.980ct loose stone
Sale price¥188,000
Brazilian Green Spodumene 2.619ct Loose Stone
Sale price¥12,800
Brazilian Spodumene 3.200ct loose stone
Sale price¥16,800
Brazilian Petalite 2.164ct loose stone
Sale price¥11,000
Colombian Trapiche Emerald 2.730ct Loose
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.