Euclase with Pyrite from Colombia 37.340ct Rough Gemstone (Hokikyosho)
Sale price¥12,800
[Item 12564087] Kochi Prefecture Boke Coral (Sango) 15.237ct Loose Stone
Sale price¥69,800
[Lottery Sale 0707_06] Kunzite from Afghanistan, 69.722ct Loose Stone
Sale price¥258,000
[Lottery Sale 0428_2_07] Watermelon Tourmaline 14.780ct Loose Stone
Sale price¥128,000
Brazilian Blue Tourmaline in Quartz 10.466ct Loose
Sale price¥39,800
Kochi Prefecture Aka Sango (Red Coral) 10.209ct Loose Stone
Sale price¥29,800
Bolivian Ametrine 36.887ct loose stone
Sale price¥79,800
[12552038] Beryl Cat's Eye 32.703ct Loose Stone
Sale price¥98,000
[12552306] Iolite 14.158ct loose stone
Sale price¥258,000
Brazilian Quartz in Quartz 15.373ct Loose Stone
Sale price¥18,800
Kochi Prefecture Natural Red Coral, 16.659 ct, Branch (Raw Material)
Sale price¥18,800
Brazilian Aquamarine 68.088ct Loose Stone with Gem Identification Report
Sale price¥39,800
Australian Boulder Opal 41.775 ct Loose Stone
Sale price¥19,800
Australian Boulder Opal 12.216ct Loose
Sale price¥15,800
Brazilian Tricolor Tourmaline 32.207ct Loose (Parti-color Tourmaline)
Sale price¥398,000
Australian Opal with Matrix (14.840ct Loose Stone) with Certificate
Sale price¥69,800
Kunzite from Afghanistan (Lilac Pink) 49.724 ct Loose Gemstone
Sale price¥298,000
Mexican Cantera Opal 17.284ct Loose
Sale price¥39,800
Mozambique Almandine Garnet 17.770ct Loose Stone
Sale price¥98,000
Mexican Cantera Opal 32.560ct Loose
Sale price¥29,800
27.410ct Mexican Cantera Opal Loose Gemstone
Sale price¥25,800
Finnish Labradorite 56.209ct Loose Gemstone
Sale price¥16,800
Mexican Cantera Opal 10.379ct Loose Stone
Sale price¥39,800
Madagascar Apatite 19.863ct Loose
Sale price¥128,000
Mexican Cantera Opal 15.195ct Loose
Sale price¥12,800
Aquamarine in quartz 18.954ct rough stone
Sale price¥18,800
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 31.973ct rough stone from Madagascar
Sale price¥8,800
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
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.