Australian shell opal 53.277ct rough stone
Sale price¥59,800
Colombian trapiche emerald 13.466ct loose
Sale price¥398,000
Brazilian Elestial Amethyst from Brazil, 15.928ct Loose Stone
Sale price¥45,800
Australian Iron Opal 17.439ct Loose
Sale price¥18,800
Oil-in-quartz 24.653ct rough stone from Madagascar
Sale price¥7,980
Oil-in-quartz 30.677ct rough stone from Madagascar
Sale price¥8,800
Mexican fire agate 19.730ct loose
Sale price¥19,800
Pyrite in quartz 15.971ct loose
Sale price¥12,800
Oil-in-quartz 22.073ct rough stone from Madagascar
Sale price¥4,980
Mexican cantera opal 17.528ct loose
Sale price¥29,800
Demantoid garnet 15.468ct rough stone from Madagascar
Sale price¥9,800
Rutile (single crystal) from Sri Lanka 10.697ct rough
Sale price¥25,800
Kunzite from Afghanistan 23.634ct loose stone
Sale price¥98,000
Canadian Ammolite 17.043ct Loose Stone
Sale price¥49,800
Mexican Fire Agate 14.193ct Loose Stone
Sale price¥69,800
Mexican Fire Agate 10.683ct Loose Stone
Sale price¥59,800
Brazilian kyanite in quartz 13.740ct loose
Sale price¥29,800
Chinese aragonite 36.409ct loose with patch
Sale price¥5,980
Brazilian Medusa Quartz (Paraiba Quartz) 10.298ct loose
Sale price¥7,980
[Mr. Takeshi Yamamoto] Rock crystal 43.123ct loose
Sale price¥25,800
Sri Lankan Zircon Cat's Eye 23.767ct Loose
Sale price¥398,000
![[12/7 22:00] Brazilian Dumortierite in Quartz 16.250ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC052301_931dfc6c-1047-4bdf-821f-203298615d94.jpg?v=1765588004&width=2810)
[12/7 22:00] Brazilian Dumortierite in Quartz 16.250ct Loose Stone
Sale price¥9,800
![[12/6 22:00] Mexican Fire Agate 17.936ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC021199_98c04cf1-2ef2-44a9-a405-eab37dc46f5e.jpg?v=1766550208&width=4000)
[12/6 22:00] Mexican Fire Agate 17.936ct Loose Stone
Sale price¥49,800
Dendritic Agate 31.019ct Ruth Japanese/German
Sale price¥6,980
Mexican cantera opal 15.542ct loose
Sale price¥15,800
Sri Lankan star sapphire 12.679ct loose
Sale price¥158,000
Sri Lankan star sapphire 11.342ct loose
Sale price¥69,800
Yellow opal 17.283ct loose
Sale price¥29,800
Hemimorphite 34.490ct loose
Sale price¥55,800
[Posted 12543727] Hemimorphite 11.133ct loose
Sale price¥59,800
[Posted 12543725] Hemimorphite 16.864ct loose
Sale price¥79,800
[Posted 12543723] Hemimorphite 64.144ct loose
Sale price¥198,000
Mexican Cantera Opal 14.690ct Loose
Sale price¥12,800
Australian boulder opal 28.880ct loose
Sale price¥59,800
Australian opal 14.837ct loose
Sale price¥98,000
Hemimorphite 29.778ct loose
Sale price¥79,800
Particolor tourmaline 24.147ct loose
Sale price¥49,800
Colombian Euclase 548.00ct rough stone
Sale price¥198,000
Tanzanite 41.690ct loose
Sale price¥2,480,000
Australian boulder opal 13.190ct loose
Sale price¥18,800
Green opal 15.950ct loose
Sale price¥29,800
Cantera opal 14.581ct loose
Sale price¥22,800
Opal 21.584ct loose Japanese and German
Sale price¥8,800
Hemimorphite 18.750ct loose
Sale price¥39,800
Mexican fire agate 33.195ct loose
Sale price¥39,800
Bicolor apatite 15.507ct loose
Sale price¥98,000
Brazilian beryl 105.928ct raw stone
Sale price¥18,800
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.