Brazilian Lepidocrocite in Quartz 5.0mm/0.477ct Loose Stone
Sale price¥4,980
Brazilian bicolor tourmaline 0.837ct loose stone
Sale price¥15,800
Brazilian bicolor tourmaline 0.545ct loose stone (rose cut)
Sale price¥5,980
Brazilian bicolor tourmaline 0.549ct loose stone (rose cut)
Sale price¥8,800
Brazilian pink tourmaline 1.018ct loose stone
Sale price¥29,800
Brazilian bicolor tourmaline 0.502ct loose stone
Sale price¥9,800
Brazilian Pink Tourmaline 0.331ct Loose Stone
Sale price¥8,800
Tanzanian Rhodolite Garnet 0.649ct Loose Stone
Sale price¥8,800
Mexican Hyalite Opal 5.0mm/0.449ct Loose Stone
Sale price¥9,800
Tanzania gray spinel 0.844ct loose stone
Sale price¥18,800
Brazilian Euclase 0.615ct Loose Stone
Sale price¥9,800
Synthetic Alexandrite 0.502ct loose stone
Sale price¥15,800
Brazilian Sky Blue Topaz (untreated) 0.968ct loose stone
Sale price¥12,800
Brazilian bicolor tourmaline 0.644ct loose stone
Sale price¥9,800
Cambodian colorless zircon 0.676ct loose stone (orange fluorescence)
Sale price¥6,980
Cambodian colorless zircon 1.149ct loose stone (orange fluorescence)
Sale price¥12,800
Cambodian colorless zircon 1.218ct loose stone (orange fluorescence)
Sale price¥12,800
Madagascar pink sapphire 0.527ct loose stone
Sale price¥18,800
Madagascar Purple Sapphire 0.429ct Loose
Sale price¥12,800
Spanish Sphalerite 1.609ct loose stone
Sale price¥19,800
Mexican Fire Opal (Faceted Cut) 0.352ct Loose
Sale price¥9,800
Brazilian Blue Tourmaline 0.650ct Loose
Sale price¥9,800
Myanmar spinel 0.402ct loose stone
Sale price¥12,800
Brazilian Alexandrite 0.519ct loose stone (sugarloaf cut)
Sale price¥358,000
Tanzania Bicolor Zoisite 0.320ct Loose Stone
Sale price¥7,980
Tanzanite from Tanzania 0.321ct loose stone
Sale price¥6,980
Tanzanite from Tanzania 0.250ct loose stone
Sale price¥8,800
Mexican Yellow Opal 0.428ct Loose
Sale price¥8,800
Myanmar pink spinel 0.465ct loose stone
Sale price¥19,800
Myanmar Purple Spinel 0.434ct Loose Stone
Sale price¥12,800
Cambodian colorless zircon 0.508ct loose stone
Sale price¥8,800
Cambodian colorless zircon 0.512ct loose stone
Sale price¥8,800
Brazilian Petalite 0.713ct loose stone
Sale price¥5,980
Bicolor tourmaline 0.840ct loose
Sale price¥22,800
Oregon Sunstone from the United States 0.372ct loose stone
Sale price¥12,800
Oregon Sunstone from the United States 5.0mm/0.460ct loose stone
Sale price¥19,800
Diamond (cabochon cut) 0.366ct loose
Sale price¥59,800
Brazilian Paraiba Tourmaline in Quartz 4.5mm/0.284ct Loose Stone
Sale price¥22,800
Brazilian bicolor tourmaline 0.845ct loose stone
Sale price¥15,800
Tourmaline 0.541ct loose stone
Sale price¥8,800
Brazilian bicolor tourmaline 0.326ct loose stone
Sale price¥8,800
Brazilian Pink Tourmaline 0.628ct Loose Stone
Sale price¥15,800
Mexican Fire Opal 4.9mm/0.333ct Loose
Sale price¥8,800
Brazilian Indicolite Tourmaline 1.616ct Loose Gemstone (JTL Certified)
Sale price¥69,800
Bicolor Benitoite 0.601ct Loose Japanese-German Edition
Sale price¥458,000
Nigerian Green Beryl 1.349ct Loose Stone
Sale price¥98,000
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.