Mexican cantera opal 32.560ct loose
Sale price¥29,800
Mexican Cantera Opal 2.661ct Loose
Sale price¥12,800
Madagascar Grandidierite 0.156ct loose stone
Sale price¥35,800
Mexican cantera opal 27.410ct loose
Sale price¥39,800
Brazilian dumortierite in quartz 3.077ct loose
Sale price¥12,800
![[Koshu Precious Stones Plusthree] Smoky Quartz 0.657ct Loose Patch](http://store.karatz.jp/cdn/shop/files/P1185356.jpg?v=1752322391&width=4000)
[Koshu Precious Stones Plusthree] Smoky Quartz 0.657ct Loose Patch
Sale price¥19,800
Dominican Republic Conch Pearl (with flame pattern) 1.560ct loose
Sale price¥25,800
Mexican Cantera Opal 1.209ct Loose Stone (Rose Cut)
Sale price¥12,800
Mexican Cantera Opal 1.394ct Loose Stone (Rose Cut)
Sale price¥12,800
Mexican Cantera Opal 1.436ct Loose Stone (Rose Cut)
Sale price¥12,800
Sri Lankan Rhodolite Garnet 0.244ct Loose Stone, Japan-Germany Scale
Sale price¥8,800
Mexican Cantera Opal 8.331ct Loose
Sale price¥39,800
Mexican Cantera Opal 11.885ct Loose
Sale price¥49,800
Orange calcite 0.740ct loose stone by Nikkei
Sale price¥9,800
Synthetic Alexandrite 0.460ct loose stone
Sale price¥14,800
Brazilian chlorite in quartz 27.725ct loose stone
Sale price¥19,800
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.375ct Loose Stone
Sale price¥18,800
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
Synthetic Moissanite 10mm/3.340ct Loose Stone
Sale price¥18,800
Synthetic Moissanite 13.5mm/8.950ct Loose
Sale price¥39,800
Dominican Republic Conch Pearl (with flame pattern) 0.960ct loose
Sale price¥18,800
[Koshu Precious Stone Cut] Hematite in Quartz 5.155ct Loose Patch
Sale price¥45,800
Synthetic Alexandrite 0.560ct loose stone
Sale price¥14,800
Indian Star Garnet 13.090ct Loose Stone (6 Rows)
Sale price¥4,980
Russian demantoid garnet (horsetail recognized) 2mm/0.055ct loose
Sale price¥6,980
Brazilian Dumortierite in Quartz 3.188ct loose stone (faceted cut)
Sale price¥12,800
Brazilian Dumortierite in Quartz 1.447ct loose stone (faceted cut)
Sale price¥18,800
Brazilian Dumortierite in Quartz 1.284ct loose stone (faceted cut)
Sale price¥9,800
Brazilian Dumortierite in Quartz 1.276ct loose stone
Sale price¥6,980
Brazilian Amphibole in Quartz 32.070ct Loose Patch
Sale price¥6,980
Brazilian Lepidocrocite in Quartz 9.0mm/2.735ct Loose Stone
Sale price¥14,800
Mozambique Rhodolite Garnet 1.146ct Loose Stone
Sale price¥12,800
Pyrope Almandine Garnet 2.514ct Loose Stone
Sale price¥29,800
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.