Taaffeite from Myanmar 0.805ct loose Japanese-German edition
Sale price¥45,800
Mexican Fire Opal 1.808ct Loose (Contralus Opal)
Sale price¥35,800
Madagascar Grandidierite 0.156ct loose stone
Sale price¥35,800
Mexican cantera opal 27.410ct loose
Sale price¥39,800
Mexican Cantera Opal 8.331ct Loose
Sale price¥39,800
Mexican Cantera Opal 11.885ct Loose
Sale price¥49,800
Zimbabwean Euclase 0.169ct Loose Stone with Certificate of Authenticity
Sale price¥39,800
Brazilian Green Tourmaline 3.943ct Loose Stone
Sale price¥39,800
American Red Beryl 0.217ct Loose
Sale price¥49,800
Pakistani Axinite (Blue Tint) 0.815ct Loose Stone
Sale price¥45,800
[Takeshi Yamamoto] Brazilian Rock Crystal 12.725ct Loose
Sale price¥39,800
Yellow Diamond (Cabochon Cut) 0.237ct Loose
Sale price¥35,800
[Dandelion Cut] YAG (Yttrium Aluminum Garnet) 9mm/4.121ct Loose Patch
Sale price¥39,800
Zircon Cat's Eye from Sri Lanka 2.087ct Ruth Japanese-German Edition
Sale price¥39,800
Brazilian bicolor tourmaline 1.875ct loose stone
Sale price¥39,800
Zimbabwe bicolor euclase 0.192ct loose stone
Sale price¥39,800
Veilinite from Pakistan (Vailinite) 0.168ct loose
Sale price¥39,800
Synthetic Moissanite 13.5mm/8.950ct Loose
Sale price¥39,800
Nigerian Cobalt Garnite 0.175ct Loose Stone, Japan-Germany Exchange
Sale price¥35,800
Diamond 0.245ct loose stone (E, VS-1, octagon brilliant cut)
Sale price¥39,800
[Koshu Precious Stone Cut] Hematite in Quartz 5.155ct Loose Patch
Sale price¥45,800
Madagascar Blue Sapphire 0.890ct Loose
Sale price¥39,800
Madagascar Iolite 3.129ct loose stone
Sale price¥39,800
Brazilian Rhodonite 2.316ct loose stone
Sale price¥39,800
[Star in cut] Mexican fire opal 7mm/0.678ct loose patch
Sale price¥49,800
[Star-in cut] Mexican opal 8mm/1.139ct loose stone
Sale price¥39,800
Diamond (cabochon cut) 0.401ct loose (star depending on angle)
Sale price¥49,800
Brazilian Green Tourmaline 4.613ct Loose Stone
Sale price¥39,800
Namibian Jeremejevite 0.257ct loose stone
Sale price¥39,800
Namibian Jeremejevite 0.171ct loose stone
Sale price¥39,800
Pakistani Axinite 1.190ct loose stone (green tint)
Sale price¥39,800
Tanzanite from Tanzania 5.8mm/0.803ct loose stone
Sale price¥35,800
Myanmar color change zircon 0.421ct loose stone
Sale price¥39,800
Pakistani Axinite (Green Tint) 1.389ct Loose Stone
Sale price¥39,800
Afghanistan Lazurite in Sodalite 2.387ct Loose Stone
Sale price¥39,800
Russian Demantoid Garnet (Horsetail certified) 2.4mm/0.063ct loose stone
Sale price¥39,800
Tanzanite 1.540ct loose stone
Sale price¥49,800
Tanzanite 1.458ct loose stone
Sale price¥39,800
Colombian Euclase 1.314ct loose stone
Sale price¥39,800
Moloxite (Green Apatite) from Madagascar 4.087ct Loose Stone
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.