0.296ct Loose Tanzanite from Tanzania
Sale price¥12,800
Brazilian Medusa Quartz (Paraiba Quartz) 3.9mm/0.237ct Loose
Sale price¥15,800
0.343 ct Tanzanite Loose Gemstone from Tanzania
Sale price¥8,800
Sri Lankan Ratotta Topaz 9.926ct Loose (White Topaz)
Sale price¥15,800
[Dandelion cut] Synthetic rutile 7.5mm/2.630ct loose
Sale price¥39,800
Sri Lankan Ratotta Topaz 4.170ct Loose (White Topaz)
Sale price¥7,980
Sri Lankan Ratotta Topaz 9.589ct Loose (White Topaz)
Sale price¥12,800
Copper rutilated quartz 1.165ct loose
Sale price¥5,980
Copper rutilated quartz 1.135ct loose
Sale price¥5,980
Strawberry quartz from Kazakhstan 0.773ct loose
Sale price¥5,980
Strawberry quartz from Kazakhstan 1.613ct loose
Sale price¥9,800
Strawberry quartz from Kazakhstan 0.977ct loose
Sale price¥5,980
Strawberry quartz from Kazakhstan 0.803ct loose
Sale price¥5,980
Paraiba tourmaline from Mozambique 0.414ct loose
Sale price¥45,800
Paraiba tourmaline from Mozambique 0.246ct loose
Sale price¥35,800
Paraiba tourmaline from Mozambique 0.240ct loose
Sale price¥29,800
Pink Tourmaline from Brazil 6.782ct Loose
Sale price¥69,800
German Auyinite 3.5mm/0.131ct Loose Stone
Sale price¥29,800
Benitoite from the USA, 0.064ct loose
Sale price¥29,800
German Hauyne 2.2mm/0.035ct Loose Stone
Sale price¥18,800
German Apatite 0.048ct Loose Stone
Sale price¥19,800
1.362ct loose Oregon sunstone from the United States
Sale price¥29,800
US-sourced Oregon Sunstone 0.428ct Loose
Sale price¥18,800
Montana Sapphire 0.397ct loose (bicolor sapphire)
Sale price¥12,800
Madeira citrine 0.170ct loose
Sale price¥5,980
Green tourmaline 1.687ct loose
Sale price¥12,800
Pink tourmaline 0.669ct loose
Sale price¥8,800
Bicolor Tourmaline 9.0mm/2.507ct Loose
Sale price¥29,800
Brazilian Dumortierite in Quartz 1.266ct Loose Stone
Sale price¥12,800
Oregon Sunstone from USA 7.1mm/1.308ct Loose Stone
Sale price¥19,800
Brazilian Dumortierite in Quartz 1.383ct Loose Gemstone
Sale price¥14,800
Brazilian Dumortierite in Quartz 0.849ct Loose Gemstone
Sale price¥9,800
Brazilian Dumortierite in Quartz 0.803ct Loose
Sale price¥9,800
American Anthill Garnet 4.0mm/0.359ct Loose
Sale price¥12,800
Brazilian Dumortierite in Quartz 0.867ct Loose Stone
Sale price¥9,800
Ant Hill Garnet from the USA, 4.0mm/0.332ct, loose
Sale price¥11,000
South African Sugilite 0.793ct loose stone
Sale price¥12,800
Mexican Hyalite Opal 7.5mm/1.221ct Loose (Faceted Cut)
Sale price¥12,800
Green tourmaline 6.069ct loose (marron cut) Japanese-German book
Sale price¥69,800
Green tourmaline 3.334ct loose
Sale price¥25,800
Strawberry quartz from Kazakhstan 1.031ct loose
Sale price¥7,980
Strawberry quartz from Kazakhstan 0.815ct loose
Sale price¥5,980
Brazilian Dumortierite in Quartz 1.559ct Loose Stone
Sale price¥9,800
Zimbabwe Green Diamond Rough (Sawable) 0.402ct Rough Stone with Trigon
Sale price¥148,000
Russian Demantoid Garnet (Horsetail) 5.8mm/0.851ct Loose Stone
Sale price¥198,000
Synthetic Blue Sapphire 0.886ct Loose (Synthetic Sapphire)
Sale price¥8,800
[Rouge cut] Almandine garnet 4.632ct loose
Sale price¥14,800
Diamond 0.051ct loose (trapeze cut, VS class equivalent)
Sale price¥7,980
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.