Sri Lankan White Sapphire 0.385ct Loose
Sale price¥14,800
Brazilian bicolor tourmaline 0.820ct loose stone
Sale price¥25,800
Myanmar Purple Spinel 4.8mm/0.514ct Loose Stone
Sale price¥6,980
Mexican Cantera Opal 11.105ct Loose
Sale price¥12,800
Hackmanite from Afghanistan, 15.600ct rough stone
Sale price¥8,800
Kyanite 1.042ct loose (commonly known as Paraiba color kyanite)
Sale price¥8,800
Mexican Cantera Opal 4.973ct Loose
Sale price¥15,800
Tanzanite from Tanzania 0.321ct loose stone
Sale price¥6,980
Tanzanite from Tanzania 0.250ct loose stone
Sale price¥7,980
Tanzanite from Tanzania 0.298ct loose stone
Sale price¥9,800
Tanzanite from Tanzania 0.250ct loose stone
Sale price¥8,800
Tanzania Bicolor Zoisite 0.320ct Loose Stone
Sale price¥7,980
Brazilian bicolor tourmaline 0.675ct loose stone
Sale price¥9,800
Brazilian Pink Tourmaline 0.448ct Loose Stone
Sale price¥8,800
Sri Lankan Yellow Sapphire 0.593ct Loose
Sale price¥15,800
Sri Lankan Yellow Sapphire 0.299ct Loose
Sale price¥12,800
Sri Lankan Yellow Sapphire 0.261ct Loose
Sale price¥12,800
Baddeleyite from Myanmar 0.279ct Ruth Japanese German edition
Sale price¥15,800
Taaffeite from Myanmar 0.580ct Ruth Japanese German edition
Sale price¥49,800
Bulgarian green sphalerite 9.2mm/3.608ct loose Japanese-German edition
Sale price¥398,000
Sri Lankan Chrysoberyl Cat's Eye 0.519ct Loose Stone
Sale price¥8,800
Brazilian Rubellite 2.022ct Loose Stone
Sale price¥55,800
Mexican Yellow Opal 0.673ct Loose
Sale price¥8,800
Mexican Yellow Opal 0.428ct Loose
Sale price¥8,800
Brazilian bicolor tourmaline 1.540ct loose stone
Sale price¥25,800
Brazilian bicolor tourmaline 1.910ct loose stone
Sale price¥25,800
Brazilian bicolor tourmaline 1.209ct loose stone
Sale price¥9,800
YAG (Yttrium Aluminum Garnet) 7.0mm/1.772ct loose stone
Sale price¥9,800
Ruby 0.173ct loose stone
Sale price¥12,800
Ruby 0.273ct loose stone
Sale price¥13,800
Ruby 0.284ct loose
Sale price¥15,800
Myanmar pink spinel 0.344ct loose stone
Sale price¥8,800
Madagascar White Topaz (Needle-in Topaz) 4.086ct Loose
Sale price¥15,800
Mexican Cantera Opal 2.809ct Loose
Sale price¥25,800
Mexican Cantera Opal 5.647ct Loose
Sale price¥19,800
Cambodian colorless zircon 0.309ct loose stone
Sale price¥4,980
Cambodian colorless zircon 0.533ct loose stone
Sale price¥5,980
Brazilian Rubellite (Red Tourmaline) 3.844ct Loose Stone
Sale price¥128,000
Brazilian Rubellite (Red Tourmaline) 1.525ct Loose Stone
Sale price¥39,800
Pakistani emerald 0.436ct loose stone
Sale price¥49,800
Diamond (cabochon cut) 0.366ct loose
Sale price¥59,800
Diamond (cabochon cut) 0.183ct loose
Sale price¥24,800
Color shift amethyst 1.216ct loose stone
Sale price¥8,800
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.