Colombian Trapiche Emerald 0.416ct Loose
Sale price¥22,800
Ethiopian Opal 5.2mm/0.688ct Loose (Sphere)
Sale price¥6,980
K18PG Brazilian Paraiba Tourmaline 0.286ct Grandidierite Ring GIA
Sale price¥198,000
Pt950 South Sea pearl 9.586ct, alexandrite, kornerupine, diamond ring
Sale price¥198,000
Colombian Trapiche Emerald 0.266ct Loose
Sale price¥14,800
Detroit City Rhodochrosite 4mm/0.439ct Loose Stone
Sale price¥8,800
Mexican Cantera Opal 4.835ct Loose
Sale price¥19,800
Brazilian Medusa Quartz (Paraiba Quartz) 1.945ct Loose Stone
Sale price¥24,800
American Herkimer Diamond 5.6mm/0.516ct Loose
Sale price¥9,800
Brazilian Goshenite 0.771ct loose stone
Sale price¥6,980
Synthetic Moissanite 10mm/4.121ct Loose Stone (Portuguese Cut)
Sale price¥19,800
Chinese bicolor fluorite 0.950ct loose stone
Sale price¥6,980
Brazilian Paraiba Tourmaline 0.200ct loose stone (CuO: 1.7%, MnO: 2.8%)
Sale price¥98,000
Brazilian Dolomite 4.070ct Loose Stone, Japan-Germany Mirror
Sale price¥98,000
Tanzanian bicolor tanzanite rough stone 2.750ct
Sale price¥9,800
Oligoclase 41.120ct rough stone
Sale price¥6,980
Russian rough diamond (sawable) 0.098ct loose
Sale price¥24,800
Tanzanite from Tanzania 0.262ct loose stone
Sale price¥8,800
Tanzania Bicolor Zoisite 0.397ct Loose Stone
Sale price¥8,800
Colombian pyrite emerald 13.691ct loose stone
Sale price¥398,000
Brazilian Green Tourmaline 26.071ct Loose Stone (Sugarloaf Cut)
Sale price¥298,000
Brazilian bicolor tourmaline 6.928ct loose stone (bicolor blue tourmaline)
Sale price¥298,000
Colombian pyrite emerald 8.044ct loose stone
Sale price¥188,000
Australian Shell Opal (Shell Opal) 73.321ct Rough Stone
Sale price¥49,800
Colombian Trapiche Emerald 0.392ct Loose
Sale price¥19,800
American Red Beryl 0.106ct Loose
Sale price¥24,800
Canary Yellow Tourmaline from Mozambique 0.223ct loose stone
Sale price¥8,800
American benitoite 0.074ct loose
Sale price¥8,800
Colombian Trapiche Emerald 0.222ct Loose
Sale price¥18,800
Tanzania Purple Zoisite Rough Stone 1.160ct
Sale price¥8,800
Colombian Trapiche Emerald 0.260ct Loose
Sale price¥14,800
Zimbabwean Blue Apatite (UV type) 1.056ct loose stone
Sale price¥15,800
Brazilian rutilated quartz (rutilated quartz) 8.247ct loose stone
Sale price¥14,800
Flower rutilated quartz 0.955ct loose stone
Sale price¥9,800
Brazilian Euclase 0.224ct Loose Stone (Bicolor Euclase)
Sale price¥18,800
Sri Lankan glass body (sapphire crystal) 7.983ct rough stone
Sale price¥29,800
Sri Lankan glass body (sapphire crystal) 6.939ct rough stone
Sale price¥15,800
Sri Lankan glass body (sapphire crystal) 8.654ct rough stone
Sale price¥19,800
Sri Lankan glass body (sapphire crystal) 11.126ct rough stone
Sale price¥29,800
Sri Lankan glass body (sapphire crystal) 8.812ct rough stone
Sale price¥19,800
Sri Lankan glass body (sapphire crystal) 9.933ct rough stone
Sale price¥35,800
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.