Namibian Jeremejevite 0.158ct loose stone
Sale price¥45,800
Spanish Sphalerite 2.726ct loose stone
Sale price¥39,800
Spanish bicolor sphalerite 3.504ct loose stone
Sale price¥38,800
Additional charge: K18WG (base metal) + 10,000 yen
Sale price¥40,000
Additional charge: K18PG (base metal) + 15,000 yen
Sale price¥35,000
Additional charge: K18PG (base metal) + 20,000 yen
Sale price¥35,000
Additional charge: K18WG (base metal) + 15,000 yen
Sale price¥35,000
Mozambique Pink Tourmaline 1.122ct Loose Stone (Contains CuO)
Sale price¥39,800
Brazilian Paraiba Tourmaline 0.759ct rough stone
Sale price¥45,800
Pakistani Lazurite (Azurite) 0.305ct Loose Stone
Sale price¥49,800
Brazilian Paraiba Tourmaline 0.037ct Loose (CuO:1.9%, MnO:2.3%)
Sale price¥39,800
Paraiba Tourmaline from Brazil 0.067 ct loose (CuO: 1.4%, MnO: 2.4%)
Sale price¥45,800
Brazilian Paraiba Tourmaline 0.821ct rough stone
Sale price¥39,800
Australian Shell Opal (Shell Opal) 73.321ct Rough Stone
Sale price¥49,800
Brazilian pink tourmaline 1.458ct loose stone
Sale price¥39,800
Brazilian Tourmaline (untreated) 5.120ct loose stone
Sale price¥39,800
Ethiopian Opal 167.191ct Rough Stone
Sale price¥39,800
Myanmar Podretteite 0.238ct loose stone Nissaiho
Sale price¥35,800
Spanish Sphalerite 7.0mm/1.753ct loose stone
Sale price¥35,800
Brazilian Paraiba Tourmaline 0.060ct Loose (CuO:1.6%, MnO:2.3%)
Sale price¥45,800
Bolivian Ametrine 16.867ct loose stone
Sale price¥39,800
[Updated 12552163] Benitoite 0.099ct loose stone
Sale price¥34,800
Solo (Simple Order Earring Frame/Chain Type)
Sale price¥49,800
Additional charge: K18WG (base metal) + 10,000 yen
Sale price¥42,000
Additional charge: K18YG (base metal) + 10,000 yen
Sale price¥37,000
Brazilian Paraiba Tourmaline 0.052ct Loose Stone (CuO:2.0%, MnO:2.2%)
Sale price¥39,800
0.051ct loose Brazilian Paraiba Tourmaline (CuO: 1.9%, MnO: 2.5%)
Sale price¥39,800
2.055ct Bicolor Sphalerite from Spain
Sale price¥39,800
American red beryl 0.207ct loose
Sale price¥49,800
Chrysoberyl cat's eye 2.843ct loose
Sale price¥39,800
Brazilian bicolor tourmaline 7.489ct loose
Sale price¥49,800
Pink tourmaline 1.690ct loose
Sale price¥39,800
Pink diamond 2.2mm/0.044ct loose (FANCY PURPLE PINK, I-1)
Sale price¥39,800
Tanzanite 1.360ct loose stone
Sale price¥49,800
Euparite 193g
Sale price¥39,800
Yellow diamond 0.190ct loose (FANCY DEEP ORANGY YELLOW, SI2)
Sale price¥39,800
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.