Madagascar sapphire 0.289ct loose stone
Sale price¥12,800
Madagascar sapphire 0.503ct loose stone
Sale price¥15,800
Sri Lankan star sapphire 2.062ct loose
Sale price¥12,800
Mexican cantera opal 8.454ct loose
Sale price¥3,980
Colombian trapiche emerald (reverse trapiche) 0.101ct rough stone
Sale price¥12,800
Mexican fire opal 6mm/0.698ct loose (rose cut)
Sale price¥14,800
American Benitoite 0.100ct Loose Stone (Emerald Cut)
Sale price¥32,800
Mexican cantera opal 12.401ct loose
Sale price¥8,800
Diamond (cabochon cut) 0.196ct loose
Sale price¥29,800
Mexican cantera opal 14.740ct loose
Sale price¥14,800
Australian boulder opal 14.860ct loose
Sale price¥18,800
Ruby from Greenland 0.421ct loose with certificate
Sale price¥18,800
Mexican cantera opal 32.560ct loose
Sale price¥29,800
Colombian Trapiche Emerald (Reverse Trapiche) 4.3mm/0.329ct Rough Stone
Sale price¥29,800
Sri Lankan Purple Sapphire 0.502ct Loose
Sale price¥7,980
Mexican Fire Opal 1.808ct Loose (Contralus Opal)
Sale price¥35,800
Mexican Fire Opal 1.624ct Loose (Contralus Opal)
Sale price¥12,800
Ruby from Greenland 0.307ct loose with certificate
Sale price¥15,800
Mexican Fire Opal 5mm/0.342ct Loose (Contralus Opal)
Sale price¥9,800
Mexican Cantera Opal 2.661ct Loose
Sale price¥12,800
Mexican cantera opal 27.410ct loose
Sale price¥39,800
[Koshu Precious Stone Cutting] Mexican Fire Opal 1.571ct Loose Patch
Sale price¥69,800
Colombian trapiche emerald (reverse trapiche) 0.134ct rough stone
Sale price¥12,800
Kenyan gold sheen sapphire 2.3mm/0.083ct loose
Sale price¥8,800
Dominican Republic Conch Pearl (with flame pattern) 1.560ct loose
Sale price¥25,800
South African diamond rough stone 0.430ct
Sale price¥9,800
Sri Lankan Star Sapphire 1.028ct Loose
Sale price¥8,800
Sri Lankan Star Sapphire 0.725ct Loose
Sale price¥6,980
Mexican Cantera Opal 1.209ct Loose Stone (Rose Cut)
Sale price¥12,800
Mexican Cantera Opal 1.394ct Loose Stone (Rose Cut)
Sale price¥12,800
Mexican Cantera Opal 1.436ct Loose Stone (Rose Cut)
Sale price¥12,800
Colombian emerald 0.202ct loose stone
Sale price¥59,800
Mexican Cantera Opal 8.331ct Loose
Sale price¥39,800
Mexican Cantera Opal 11.885ct Loose
Sale price¥49,800
Mexican Fire Opal (Faceted Cut) 0.844ct Loose
Sale price¥15,800
Sri Lankan Yellow Sapphire 0.320ct Loose
Sale price¥15,800
Mexican Hyalite Opal 0.942ct Loose
Sale price¥9,800
Mexican Hyalite Opal 6.0mm/0.708ct Loose
Sale price¥25,800
Yellow Diamond (Cabochon Cut) 0.237ct Loose
Sale price¥35,800
Yellow Diamond (Cabochon Cut) 0.176ct Loose
Sale price¥29,800
Colombian trapiche emerald (reverse trapiche) 0.178ct rough stone
Sale price¥15,800
Mexican Fire Opal 1.348ct Loose
Sale price¥15,800
Bicolor sapphire 0.301ct loose
Sale price¥18,800
Madagascar Bicolor Sapphire 0.232ct Loose
Sale price¥15,800
Madagascar Bicolor Sapphire 0.188ct Loose
Sale price¥12,800
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.