Euclase from Colombia 2.443ct Ruth Japanese German edition
Sale price¥148,000
Pakistani bicolor sphene 3.980ct loose stone
Sale price¥188,000
Brazilian bicolor tourmaline 12.842ct loose
Sale price¥298,000
Russian demantoid garnet (horsetail recognized) 5.5mm/0.710ct loose
Sale price¥148,000
Russian demantoid garnet (horsetail recognized) 5.3mm/0.692ct loose
Sale price¥128,000
Pt950 Tanzanian Tanzanite 1.357ct Blue Zircon Pink Sapphire Ring
Sale price¥128,000
Bicolor pink euclase from Brazil 0.310ct loose Japanese-German edition
Sale price¥128,000
Myanmar Podretteite 0.790ct loose stone
Sale price¥198,000
Colombian pyrite emerald 27.414ct loose stone
Sale price¥298,000
Myanmar bicolor podoretite 1.960ct loose stone
Sale price¥1,000,000
Sri Lankan Musgravite 0.389ct Loose Stone (Tubular Inclusions) Nikkei
Sale price¥398,000
Afghanistan Bicolor Tourmaline 2.664ct Loose Stone (Seafoam Tourmaline)
Sale price¥128,000
Russian Demantoid Garnet (Horsetail Recognized) 5.2mm/0.661ct Loose Stone
Sale price¥198,000
American Benitoite 0.286ct loose stone
Sale price¥158,000
Madagascar Dumortierite 0.172ct loose stone (single crystal)
Sale price¥128,000
Colombian pyrite in emerald 15.291ct loose
Sale price¥1,000,000
Colombian emerald rough stone 37.764ct (Gachala mine)
Sale price¥598,000
Zimbabwe Bicolor Euclase 0.405ct Loose Stone by Nikkei
Sale price¥298,000
Myanmar Podretteite 0.407ct loose stone [Gemstone Encyclopedia]
Sale price¥128,000
13-stone diamond half eternity ring set (VS class, D-G color, H&C, 2.0mm)
Sale price¥158,000
Pt900 Russian Demantoid Garnet (Horsetail) 0.30ct and Diamond 0.30ct Ring
Sale price¥128,000
Tanzanian Almandine Garnet 34.581ct Loose Stone
Sale price¥158,000
Brazilian Green Tourmaline 42.854ct Loose Stone
Sale price¥198,000
Madeleine "Semi-custom ring setting"
Sale price¥105,800
Tanzania Color Change Chrome Tourmaline 13.194ct Loose Stone Chuhokan
Sale price¥398,000
Brazilian Alexandrite 0.519ct loose stone (sugarloaf cut)
Sale price¥358,000
Non-Oil Emerald 1.070ct Loose Gübelin Certificate
Sale price¥698,000
Pt900 Colombian emerald 0.72ct, diamond 0.61ct ring
Sale price¥158,000
Pt900/Pt850 Australian Black Opal 0.37ct Diamond 0.73ct Necklace
Sale price¥198,000
Brazilian Rubellite (Red Tourmaline) 3.844ct Loose Stone
Sale price¥128,000
Brazilian Bicolor Tourmaline 16.088ct Loose (Tricolor) Nikkei
Sale price¥298,000
Russian oil-free emerald 0.640ct loose GIA
Sale price¥198,000
Brazilian bicolor tourmaline cat's eye 22.056ct loose stone
Sale price¥198,000
Congo Bicolor Tourmaline 3.429ct Loose
Sale price¥128,000
Brazilian Bicolor Pink Euclase 0.236ct Loose Stone, Japan-Germany
Sale price¥128,000
Myanmar Podretteite 0.834ct loose stone
Sale price¥298,000
Non-Oil Emerald 1.030ct Loose Gübelin Gübelin Certificate
Sale price¥698,000
K18YG Brazilian Paraiba Tourmaline 0.30ct Diamond Ring GIA
Sale price¥198,000
Pt950 American Orange Benitoite 0.072ct Benitoite Ring
Sale price¥158,000
Pt950 Brazilian Paraiba Tourmaline 0.201ct Pendant (Necklace)
Sale price¥128,000
K18YG Pink Diamond 0.068ct Ring (FANCY LIGHT PINK, SI-2)
Sale price¥128,000
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.