Indian Moonstone 2.009ct Loose
Sale price¥15,800
Brazilian Dendritic Agate 3.016ct Loose Stone
Sale price¥12,800
Brazilian Dendritic Agate 2.409ct Loose Stone
Sale price¥9,800
Brazilian Sky Blue Topaz (untreated) 1.470ct loose stone
Sale price¥12,800
Brazilian rutilated quartz (rutilated quartz) 8.0mm/1.335ct loose stone
Sale price¥12,800
Brazilian rutilated quartz (rutilated quartz) 7.8mm/1.320ct loose stone
Sale price¥12,800
Brazilian rutilated quartz (rutilated quartz) 8.1mm/1.619ct loose stone
Sale price¥12,800
Brazilian rutilated quartz (rutilated quartz) 7.8mm/1.307ct loose stone
Sale price¥12,800
Brazilian Paraiba Tourmaline in Quartz 6.0mm/0.441ct Loose Stone
Sale price¥22,800
Brazilian Paraiba Tourmaline in Quartz 6.0mm/0.568ct Loose Stone
Sale price¥22,800
Sri Lankan Silky Sapphire 1.166ct Loose
Sale price¥12,800
Silky sapphire from Sri Lanka 0.975ct loose
Sale price¥8,800
Brazilian Paraiba Tourmaline in Quartz 8.0mm/1.290ct Loose Stone
Sale price¥25,800
Brazilian Paraiba Tourmaline in Quartz 1.271ct Loose Stone
Sale price¥22,800
Brazilian Paraiba Tourmaline in Quartz 1.571ct Loose Stone
Sale price¥29,800
Brazilian Paraiba Tourmaline in Quartz 1.618ct Loose Stone
Sale price¥25,800
Brazilian Paraiba Tourmaline in Quartz 2.403ct loose stone
Sale price¥45,800
Brazilian Paraiba Tourmaline in Quartz 1.917ct loose stone
Sale price¥42,800
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
Brazilian Quartz (Striped Quartz) 15.019ct Loose Patch
Sale price¥8,800
Brazilian Petalite 0.615ct loose stone
Sale price¥6,980
Brazilian Dalmatian Quartz 2.041ct Loose Stone
Sale price¥12,800
Indian Moonstone 1.105ct Loose
Sale price¥8,800
Namibian Jeremejevite 0.194ct loose stone by Nikkei
Sale price¥15,800
Mexican Opal 1.639ct Loose (Contralus Opal)
Sale price¥29,800
[Takeshi Yamamoto] Rock crystal 78.580ct loose stone
Sale price¥98,000
Indian Moonstone 6.2mm/0.749ct Loose
Sale price¥7,980
Indian Moonstone 8.2mm/1.823ct Loose
Sale price¥14,800
Brazilian rutilated quartz (rutile quartz) 12mm/7.140ct loose stone
Sale price¥9,800
Brazilian rutilated quartz (rutile quartz) 12mm/6.709ct loose stone
Sale price¥9,800
Brazilian Quartz 13.991ct Loose Patch
Sale price¥9,800
Madagascar White Topaz (Needle-in Topaz) 4.086ct Loose
Sale price¥15,800
Brazilian Romanesite in Quartz 4.331ct Loose Stone
Sale price¥9,800
Sri Lankan White Sapphire 0.385ct Loose
Sale price¥14,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 4.807ct Loose Stone
Sale price¥15,800
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
Cambodian colorless zircon 0.309ct loose stone
Sale price¥4,980
Brazilian Petalite 0.713ct loose stone
Sale price¥5,980
Brazilian Petalite 1.654ct loose stone
Sale price¥9,800
Australian Shell Opal (Shell Opal) 51.801ct Rough Stone
Sale price¥25,800
Andesine Labradorite (also known as Blue Moonstone) 1.096ct loose stone
Sale price¥45,800
Brazilian Paraiba Tourmaline in Quartz 2.827ct loose stone
Sale price¥49,800
Brazilian Paraiba Tourmaline in Quartz 3.049ct 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.