Diaspore 0.657ct loose
Sale price¥3,980
Diaspore 0.672ct loose
Sale price¥3,980
[Dandelion cut] Synthetic rutile 7mm/1.905ct loose
Sale price¥39,800
Myanmar Maw Sisit 0.855ct loose stone (Maw Sisit)
Sale price¥4,980
Rhodochrosite from South Africa 5.2mm/0.645ct loose
Sale price¥55,800
Cambodian blue zircon 0.232ct loose stone
Sale price¥4,980
Russian demantoid garnet (horsetail recognized) 4.5mm/0.423ct loose
Sale price¥69,800
Mexican fire opal 6mm/0.698ct loose (rose cut)
Sale price¥14,800
Russian demantoid garnet (horsetail recognized) 2.9mm/0.165ct loose
Sale price¥24,800
Russian demantoid garnet (horsetail recognized) 2.8mm/0.187ct loose
Sale price¥18,800
American Benitoite 2.8mm/0.104ct Loose Stone
Sale price¥28,800
American Benitoite 0.100ct Loose Stone (Emerald Cut)
Sale price¥32,800
Pakistani Veirinite 0.206ct loose stone
Sale price¥55,800
Sri Lankan saffron 0.320ct loose stone with certificate of authenticity
Sale price¥29,800
0.400ct Madagascar Pink Sapphire Loose (Heart Shape)
Sale price¥19,800
Brazilian Paraiba Tourmaline in Quartz 6.0mm/0.708ct Loose Stone
Sale price¥15,800
Turkish color change diaspore 0.729ct loose stone
Sale price¥6,980
Diamond (cabochon cut) 0.196ct loose
Sale price¥29,800
Tanzanian Dragon Garnet 0.746ct Loose Stone
Sale price¥17,800
Zimbabwe bicolor euclase 0.385ct loose stone
Sale price¥98,000
Australian boulder opal 1.026ct loose
Sale price¥3,980
Taaffeite from Myanmar 0.805ct loose Japanese-German edition
Sale price¥45,800
Afghanistan Lazurite in Sodalite 0.579ct Loose Stone
Sale price¥9,800
Brazilian Green Beryl Cat's Eye 0.559ct Loose Stone
Sale price¥5,980
Brazilian green beryl cat's eye 1.022ct loose
Sale price¥8,800
Indian Labradorite 6mm/0.733ct Loose Stone (Rose Cut)
Sale price¥2,980
Indian Labradorite 6mm/0.769ct loose stone (rose cut)
Sale price¥2,980
Tanzanian Yellow Apatite 1.639ct Loose Stone
Sale price¥6,980
Ruby from Greenland 0.421ct loose with certificate
Sale price¥18,800
Madagascar Apatite 0.371ct Loose Stone
Sale price¥2,980
Oregon Sunstone from the United States 1.203ct loose stone
Sale price¥9,800
Rubellite from Mozambique 0.748ct loose
Sale price¥9,800
Colombian Trapiche Emerald (Reverse Trapiche) 4.3mm/0.329ct Rough Stone
Sale price¥29,800
Sri Lankan Purple Sapphire 0.502ct Loose
Sale price¥7,980
Mongolian color change andesine 6.0mm/0.754ct loose stone
Sale price¥8,800
Mexican Fire Opal 1.808ct Loose (Contralus Opal)
Sale price¥35,800
Mexican Fire Opal 1.624ct Loose (Contralus Opal)
Sale price¥12,800
Brazilian Rainbow Scapolite 3mm/0.120ct Loose Stone
Sale price¥3,980
Ruby from Greenland 0.307ct loose with certificate
Sale price¥15,800
Mexican Fire Opal 5mm/0.342ct Loose (Contralus Opal)
Sale price¥9,800
Tibetan Andesine 4.2mm/0.257ct Loose Stone
Sale price¥2,980
Tibetan Andesine 4.5mm/0.289ct Loose Stone
Sale price¥2,980
Synthetic rutile 5mm/0.585ct loose
Sale price¥12,800
Synthetic rutile 5mm/0.642ct loose stone
Sale price¥12,800
Paraiba tourmaline from Mozambique 1.481ct loose (CuO:0.3%, MnO:4.3%)
Sale price¥158,000
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.