Madagascar Pezzottaite 3.5mm/0.153ct loose stone
Sale price¥5,980
Madagascar Pezzottaite 3.7mm/0.184ct loose stone
Sale price¥6,980
Bicolor Fluorite 0.909ct Loose
Sale price¥6,980
Bicolor Fluorite 0.528ct Loose
Sale price¥6,980
American red beryl 0.092ct loose
Sale price¥19,800
Ruby 0.289ct loose stone by Takakikyo
Sale price¥12,800
Russian demantoid garnet (horsetail recognized) 3mm/0.188ct loose
Sale price¥19,800
Rhodochrosite from South Africa 4.2mm/0.409ct loose
Sale price¥39,800
Mexican Smithsonite 2.697ct loose stone
Sale price¥9,800
Mozambique Aquamarine 3.301ct Loose Stone
Sale price¥59,800
Mausithit from Myanmar 5.246ct loose (Maushitsit)
Sale price¥5,980
Mexican Fire Opal 0.780ct Loose
Sale price¥12,800
Brazilian Tourmaline Cat's Eye 0.890ct Loose Stone
Sale price¥2,980
Brazilian Paraiba Tourmaline in Quartz 7.9mm/1.314ct Loose Stone
Sale price¥29,800
Brazilian Paraiba Tourmaline in Quartz 4.5mm/0.284ct Loose Stone
Sale price¥22,800
Oregon Sunstone from the United States 5.0mm/0.460ct loose stone
Sale price¥19,800
Kenyan Gold Sheen Sapphire 3.6mm/0.302ct Loose Stone
Sale price¥35,800
Colombian Trapiche Emerald 0.629ct Loose
Sale price¥34,800
Brazilian Limonite in Topaz 3.399ct loose stone
Sale price¥8,800
Mexican Cantera Opal 2.982ct Loose
Sale price¥14,800
Mexican Cantera Opal 1.534ct Loose
Sale price¥8,800
Brazilian Petalite 0.713ct loose stone
Sale price¥5,980
Brazilian Petalite 1.654ct loose stone
Sale price¥9,800
Tanzanite from Tanzania 1.522ct loose stone
Sale price¥55,800
Tanzanite from Tanzania 0.804ct loose stone
Sale price¥24,800
Tanzanite from Tanzania 0.856ct loose stone
Sale price¥29,800
Bicolor tourmaline 0.840ct loose
Sale price¥22,800
Sri Lankan Blue Sapphire 3.8mm/0.279ct Loose
Sale price¥8,800
Sri Lankan Blue Sapphire 4.5mm/0.401ct Loose
Sale price¥12,800
Colombian emerald 3.1mm/0.097ct loose
Sale price¥22,800
![[Limited to 10 stones] Inca Rose from Argentina (Rhodochrosite, average 1.5ct) [Multiple purchase discount available]](http://store.karatz.jp/cdn/shop/files/P1010444_a356ce57-480d-45a3-b741-3146e456c136.jpg?v=1729336483&width=4000)
![[Limited to 9 stones] Argentine Inca Rose (Rhodochrosite, average 1.2ct) [Multiple purchase discount available]](http://store.karatz.jp/cdn/shop/files/P1010485_0a84849b-b799-4ed9-9423-eca6b868cfe5.jpg?v=1729336953&width=4000)
Russian oil-free emerald 0.640ct loose GIA
Sale price¥198,000
Brazilian Paraiba tourmaline 0.240ct loose (CuO:1.5%, MnO:1.8%)
Sale price¥45,800
Tanzanian Cobalt Spinel (Blue Spinel) 0.118ct Loose Stone Japan-Germany
Sale price¥29,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 4.807ct Loose Stone
Sale price¥15,800
Brazilian Bicolor Tourmaline 16.088ct Loose (Tricolor) Nikkei
Sale price¥298,000
Brazilian Paraiba Tourmaline 0.167ct loose stone (CuO: 1.1%, MnO: 3.6%)
Sale price¥69,800
Cambodian colorless zircon 0.508ct loose stone
Sale price¥8,800
Cambodian colorless zircon 1.212ct loose stone
Sale price¥15,800
Cambodian colorless zircon 0.512ct loose stone
Sale price¥8,800
Argentine Inca Rose 5.022ct loose stone
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.