[Colorful] K18WG Blood Coral and Diamond (0.19ct) Brooch with certificate
Sale price¥398,000
[Colorful] Pt900 Black Opal 0.83ct / Diamond 0.62ct Ring with Certificate
Sale price¥228,000
Unheated Brazilian Paraiba tourmaline 0.110ct loose AIGS
Sale price¥258,000
Madagascar Apatite 19.863ct Loose
Sale price¥128,000
Pt950 Ice Blue Diamond Ring
Sale price¥158,000
Star Sapphire from Sri Lanka, 4.758 ct Loose Stone (Color Shift)
Sale price¥158,000
American Benitoite 0.242ct Loose
Sale price¥158,000
Pt950 Ice Blue Diamond (Treatment) 0.197ct Ring
Sale price¥128,000
Brazilian Morganite, 11mm/5.181ct Loose Stone
Sale price¥158,000
Brazilian Morganite 10mm/4.535ct Loose Stone
Sale price¥148,000
[12551250] Brazilian oil-free emerald 0.120ct loose stone
Sale price¥110,000
18K Yellow Gold Colombian Emerald Ring
Sale price¥128,000
18K Yellow Gold Ruby Ring (Pigeon Blood Color)
Sale price¥128,000
Unheated Bicolor Paraiba Tourmaline 0.092ct Loose GIA
Sale price¥188,000
South African rhodochrosite 2.477ct loose Japanese-German edition
Sale price¥398,000
Bicolor Paraiba tourmaline 2.477ct loose DGL version
Sale price¥298,000
Zimbabwe Green Diamond Rough (Sawable) 0.428ct Rough Stone with Trigon
Sale price¥158,000
South African Rhodochrosite 1.820ct Loose Stone
Sale price¥128,000
Russian Demantoid Garnet (Horsetail) 5.8mm/0.851ct Loose Stone
Sale price¥198,000
Zimbabwe Green Diamond Rough (Sawable) 0.402ct Rough Stone with Trigon
Sale price¥148,000
Pt900 benitoite 0.135ct/diamond ring
Sale price¥128,000
Pt900 benitoite 0.152ct/diamond 0.58ct ring
Sale price¥198,000
Colombian trapiche emerald 13.466ct loose
Sale price¥398,000
Russian Demantoid Garnet (Horsetail Recognized) 5.1mm/0.664ct Loose Stone
Sale price¥188,000
0.338ct Canadian Green Diamond Rough (Sawable) - With Trigons
Sale price¥128,000
Angola Green Diamond Rough (Sawable) 0.528ct Rough (with Trigon)
Sale price¥198,000
Colombian oil-free emerald 0.220ct loose GIA
Sale price¥248,000
Madagascar Pezzottaite 0.670ct Loose Stone, Japan-Germany Scale
Sale price¥298,000
Colombian oil-free emerald 0.510ct loose GIA
Sale price¥598,000
Colombian pyrite emerald 8.044ct loose stone
Sale price¥188,000
Loose Pink Diamond, 2.5mm/0.097ct (FANCY PINK, SI2, Princess Cut)
Sale price¥148,000
Unheated Pigeon Blood Ruby 5.0mm/0.520ct Loose Stone AIGS
Sale price¥128,000
Pigeon Blood Ruby 0.490ct Loose
Sale price¥128,000
Bulgarian green sphalerite 9.2mm/3.608ct loose Japanese-German edition
Sale price¥398,000
Rubellite 7.068ct loose Japanese-German book
Sale price¥498,000
Brazilian unheated particolor Paraiba tourmaline 0.84ct loose GIA
Sale price¥2,580,000
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.