Lepidocrocite in quartz 0.692ct loose
Sale price¥8,800
Brazilian bicolor tourmaline 3.291ct loose
Sale price¥35,800
Brazilian bicolor tourmaline 3.569ct loose
Sale price¥35,800
Andalusite 5mm/0.480ct loose
Sale price¥3,980
Brazilian bicolor tourmaline 1.965ct loose stone
Sale price¥18,800
Brazilian Color-Shifting Amethyst 0.849ct Loose Stone
Sale price¥8,800
Brazilian blue topaz 5.5mm/0.754ct loose stone
Sale price¥5,980
Brazilian Alexandrite 0.097ct Loose Stone (Emerald Cut)
Sale price¥38,800
Brazilian London Blue Topaz 0.415ct Loose Stone
Sale price¥6,980
Brazilian Morganite 0.484ct loose stone
Sale price¥12,800
Brazilian Morganite 0.377ct loose stone
Sale price¥8,800
[12552640] Unheated Brazilian Paraiba Tourmaline 0.073ct loose stone
Sale price¥49,800
[12552618] Unheated Brazilian Paraiba Tourmaline 0.063ct loose stone
Sale price¥49,800
[Posted in 12547848] Green tourmaline 0.869ct loose
Sale price¥15,800
[Posted 12547829] Brazilian Dumortierite in Quartz 0.975ct loose
Sale price¥9,800
Brazilian Aquamarine 8.858ct Loose Stone
Sale price¥198,000
Brazilian Medusa Quartz (Paraiba Quartz) 1.181ct loose
Sale price¥3,980
Brazilian Petalite 1.197ct Loose Stone
Sale price¥7,980
Brazilian Lavender Quartz (Scorolite) 0.797ct Loose Stone
Sale price¥7,980
[Rouge Cut] Brazilian Bicolor Tourmaline 0.578ct Loose
Sale price¥9,800
[Cat Cut] Brazilian Dendritic Quartz 6.775ct Loose
Sale price¥15,800
Brazilian Rubellite 4.078ct Loose Stone
Sale price¥98,000
[Rouge Cut] Brazilian Dumortierite in Quartz 1.184ct Loose Stone
Sale price¥14,800
[Rouge Cut] Brazilian Dumortierite in Quartz 1.493ct Loose Stone
Sale price¥9,800
Brazilian Paraiba tourmaline 0.275ct loose (CuO:1.5%.MnO:2.3%)
Sale price¥398,000
Brazilian alexandrite 0.060ct loose
Sale price¥14,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 1.490ct Loose (Faceted)
Sale price¥35,800
Brazilian Paraiba Tourmaline 0.039ct Loose Stone (CuO: 2.0%, MnO: 2.3%)
Sale price¥45,800
[12554117] Brazilian Alexandrite 0.058ct loose stone
Sale price¥14,800
Brazilian Swiss Blue Topaz 1.065ct Loose Stone
Sale price¥11,000
Brazilian Bicolor Beryl 0.556ct Loose Stone
Sale price¥29,800
Brazilian Indicolite Tourmaline 4.0mm/0.240ct Loose Stone with Appraisal
Sale price¥29,800
Brazilian Indigolite Tourmaline 0.609ct Loose Stone JTL
Sale price¥25,800
Brazilian Green Spodumene 2.029ct Loose Stone
Sale price¥12,800
Brazilian Imperial Topaz 0.563ct Loose Stone
Sale price¥15,800
Brazilian Blue Topaz Cat's Eye 2.631ct Loose Stone
Sale price¥9,800
Particolor tourmaline 24.147ct loose
Sale price¥49,800
Brazilian Elestial Amethyst 0.809ct Loose Stone
Sale price¥6,980
Brazilian Elestial Amethyst 0.673ct Loose Stone
Sale price¥9,800
Brazilian Elestial Amethyst 3.093ct Loose Stone
Sale price¥19,800
Brazilian pink tourmaline 0.234ct loose stone
Sale price¥8,800
Brazilian mint color tourmaline 0.145ct loose stone
Sale price¥8,800
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.