Tanzanian mint diopside 0.364ct loose stone
Sale price¥9,800
Oregon Sunstone from the United States, 0.386ct loose stone
Sale price¥24,800
Brazilian bicolor tourmaline 1.965ct loose stone
Sale price¥18,800
Russian Demantoid Garnet (Horsetail) 3.8mm/0.255ct Loose Stone
Sale price¥39,800
0.424ct Indian Chrysoberyl Loose Stone (Canary Yellow)
Sale price¥15,800
Brazilian Alexandrite 0.097ct Loose Stone (Emerald Cut)
Sale price¥38,800
Parasitic Peridot 0.292ct Loose Stone
Sale price¥98,000
Australian Prehnite 1.758ct loose stone
Sale price¥9,800
Russian Demantoid Garnet (Horsetail) 2.5mm/0.079ct Loose Stone
Sale price¥12,800
Russian Demantoid Garnet (Horsetail) 0.487ct Loose Stone
Sale price¥110,000
Pakistani sphene 0.489ct loose stone
Sale price¥11,000
[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
0.597ct Green Apatite Loose Stone from Madagascar
Sale price¥6,980
Australian Prehnite 0.707ct loose stone
Sale price¥6,980
Zimbabwean sphene 0.987ct loose stone
Sale price¥19,800
Zimbabwean sphene 0.978ct loose stone
Sale price¥18,800
Zimbabwean sphene 0.704ct loose stone
Sale price¥14,800
Zimbabwean sphene 0.990ct loose stone
Sale price¥12,800
Zimbabwean sphene 0.726ct loose stone
Sale price¥14,800
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
Zimbabwean sphene 0.665ct loose stone
Sale price¥12,800
Zimbabwean sphene 0.756ct loose stone
Sale price¥18,800
Zimbabwean sphene 0.850ct loose stone
Sale price¥19,800
Zimbabwean sphene 1.170ct loose stone
Sale price¥22,800
Zimbabwean sphene 0.751ct loose stone
Sale price¥16,800
Synthetic Alexandrite 5.7mm/0.827ct Loose Stone
Sale price¥19,800
Colombian emerald 0.222ct loose stone
Sale price¥59,800
Brazilian Green Spodumene 2.029ct Loose Stone
Sale price¥12,800
Colombian emerald 0.101ct loose stone
Sale price¥15,800
Paraiba tourmaline from Mozambique 0.154ct loose stone
Sale price¥19,800
Colombian mint-colored emerald 0.214ct loose stone
Sale price¥8,800
Zambian emerald 0.159ct loose stone
Sale price¥8,800
Zambian emerald 0.135ct loose stone
Sale price¥8,800
Brazilian mint color tourmaline 0.145ct loose stone
Sale price¥8,800
Brazilian green tourmaline 0.194ct loose stone
Sale price¥12,800
Brazilian green tourmaline 0.755ct loose stone
Sale price¥18,800
Brazilian green tourmaline 0.374ct loose stone
Sale price¥9,800
Illusion Tourmaline (Iridescent Tourmaline) 1.356ct Loose Stone
Sale price¥39,800
0.333ct loose sapphire
Sale price¥8,800
Brazilian mint-colored emerald 0.945ct loose stone
Sale price¥25,800
[12560246] Green Zoisite 1.316ct Loose Stone
Sale price¥15,800
Colombian mint-colored emerald, 4.3mm/0.306ct loose stone
Sale price¥8,800
[12560252] Zambian emerald 0.138ct 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.