Namibian Green Tourmaline 7.0mm/1.206ct Loose Stone (Lagoon Tourmaline)
Sale price¥59,800
0.183ct Trapiche Emerald Loose Stone from Colombia
Sale price¥39,800
Synthetic Alexandrite 1.076ct Loose Stone
Sale price¥25,800
0.210 ct Colombian Trapiche Emerald Loose Stone
Sale price¥39,800
Brazilian Canary Yellow Chrysoberyl 0.672ct Loose
Sale price¥18,800
Andalusite from Spain, 0.416 ct Loose Gemstone
Sale price¥9,800
0.065ct loose Paraiba tourmaline from Brazil (CuO: 1.6%, MnO: 2.4%)
Sale price¥49,800
0.210ct Colombian Non-Oil Emerald Loose Stone GIA
Sale price¥228,000
Colombian Trapiche Emerald, 1.874ct Loose Stone with Certification
Sale price¥69,800
Pyrite in emerald from Chivor Mine, Colombia, 4.221 ct, loose
Sale price¥98,000
0.715ct Loose Alexandrite from Orissa, India with Gemstone Report
Sale price¥18,800
Brazilian Paraiba Tourmaline 0.065ct Loose Stone (CuO: 2.0%, MnO: 2.4%)
Sale price¥49,800
0.066ct loose Brazilian Paraiba Tourmaline (CuO: 1.5%, MnO: 2.2%)
Sale price¥45,800
Paraiba Tourmaline from Brazil, 0.063 ct, loose (CuO: 1.8%, MnO: 2.4%)
Sale price¥55,800
Loose 0.061ct Brazilian Paraiba Tourmaline (CuO: 1.7%, MnO: 2.2%)
Sale price¥49,800
0.062ct Loose Paraiba Tourmaline from Brazil (CuO: 1.7%, MnO: 2.5%)
Sale price¥47,800
Tanzanian Kornerupine 0.172ct loose stone
Sale price¥12,800
Madagascar Green Sapphire 0.253ct Loose
Sale price¥9,800
Tanzania Green Zoisite 0.709ct Loose Stone
Sale price¥16,800
Brazilian Seafoam Tourmaline, 4.1mm/0.303ct loose stone
Sale price¥16,800
Brazilian Seafoam Tourmaline, 4.1mm/0.280ct Loose
Sale price¥15,800
Synthetic Moissanite 8.679ct loose stone
Sale price¥29,800
Paraiba tourmaline from Brazil 0.071ct loose
Sale price¥19,800
American Peridot 0.339ct Loose Stone
Sale price¥6,980
American Peridot 0.528ct Loose Stone
Sale price¥8,800
Colombian Trapiche emerald 0.418ct rough stone
Sale price¥39,800
Sri Lankan Chrysoberyl Cat's Eye 4.1mm/0.490ct Loose
Sale price¥15,800
Australian black opal 0.650ct loose
Sale price¥15,800
Colombian emerald 0.145ct loose stone with precious stone
Sale price¥29,800
Tanzanian Kornerupine 0.300ct Loose Stone
Sale price¥18,800
Tanzanian Kornerupine 0.210ct loose stone
Sale price¥11,000
Tanzanian Kornerupine 0.220ct loose stone
Sale price¥6,980
Tanzanian Kornerupine 0.229ct loose stone
Sale price¥9,800
Tanzanian Kornerupine 0.249ct loose stone
Sale price¥15,800
Tanzanian Kornerupine 0.201ct loose stone
Sale price¥14,800
Tanzanian Kornerupine 0.200ct Loose Stone
Sale price¥9,800
Colombian emerald 0.512ct loose stone (silky type)
Sale price¥12,800
Australian Boulder Opal 12.216ct Loose
Sale price¥15,800
Colombian Trapiche emerald 0.611ct rough stone
Sale price¥59,800
Colombian oil-free emerald 0.310ct loose stone
Sale price¥298,000
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.