Grandidierite 0.206ct loose
Sale price¥22,800
Jeremejevite from Namibia 0.064ct loose
Sale price¥12,800
Bicolor tanzanite 0.492ct raw stone from Tanzania
Sale price¥6,980
Hemimorphite from Congo 0.432ct loose
Sale price¥6,980
Tanzanian purple sapphire 0.355ct loose stone
Sale price¥9,800
Australian Opal 0.374ct Loose
Sale price¥6,980
Afghanistan Hackmanite 0.134ct loose stone
Sale price¥6,980
Afghanistan Hackmanite 0.121ct loose stone
Sale price¥6,980
Golden Iolite (Cordierite) from Madagascar 0.193ct loose stone
Sale price¥8,800
Zimbabwean Bicolor Euclase 0.146ct Loose Stone
Sale price¥35,800
American Benitoite 2.2mm/0.270ct Loose Stone (Gradation Set)
Sale price¥69,800
Italian leucite 0.130ct loose
Sale price¥8,800
Benitoite 0.095ct loose
Sale price¥18,800
Red spinel 0.195ct loose
Sale price¥5,980
Benitoite 2.7mm/0.114ct loose
Sale price¥25,800
Bicolor pink star sapphire from Mogok 0.360ct loose
Sale price¥24,800
Bicolor tourmaline 0.435ct loose (rose cut)
Sale price¥5,980
Brazilian bicolor tourmaline 0.258ct loose stone
Sale price¥8,800
Brazilian Paraiba Tourmaline 0.039ct Loose Stone (CuO: 2.0%, MnO: 2.3%)
Sale price¥45,800
[12554117] Brazilian Alexandrite 0.058ct loose stone
Sale price¥14,800
South African rough diamond (sawable) 0.105ct rough (with trigon)
Sale price¥39,800
South African Sugilite 5.2mm/0.434ct Loose Stone (Rose Cut)
Sale price¥18,800
German Apatite 0.097ct loose stone
Sale price¥39,800
Paraiba tourmaline from Brazil 0.232ct loose
Sale price¥45,800
Lavender spinel 0.160ct loose
Sale price¥3,980
Russian demantoid garnet (horsetail recognized) 4.6mm/0.423ct loose
Sale price¥79,800
Pink tourmaline 0.391ct loose
Sale price¥4,980
Sri Lankan saffron 0.116ct loose stone with certificate of authenticity
Sale price¥25,800
Colombian emerald 0.101ct loose stone
Sale price¥15,800
Blue sapphire 4.0mm/0.314ct loose stone
Sale price¥112,800
Zimbabwean Bicolor Euclase 0.183ct Loose Stone
Sale price¥49,800
Paraiba tourmaline from Mozambique 0.154ct loose stone
Sale price¥19,800
Tanzanian magnesioaxinite 0.380ct loose stone, Japan-Germany Quantity
Sale price¥39,800
Fire Opal 2 Stone Pair 4mm/0.336ct Loose
Sale price¥3,980
Montebrasite 4.1mm 2 stone pair loose (green)
Sale price¥6,980
Paraiba tourmaline from Mozambique, 3.5mm/0.172ct loose stone
Sale price¥15,800
Paraiba tourmaline from Mozambique, 3.2mm/0.119ct loose stone
Sale price¥9,800
Brazilian Elestial Amethyst 0.482ct Loose Stone
Sale price¥4,980
Colombian mint-colored emerald 0.214ct loose stone
Sale price¥8,800
Zambian emerald 0.159ct loose stone
Sale price¥8,800
Zambian emerald 0.135ct loose stone
Sale price¥8,800
Brazilian pink tourmaline 0.234ct loose stone
Sale price¥8,800
Congo Pink Tourmaline 5.0mm/0.463ct Loose Stone
Sale price¥24,800
Brazilian mint color tourmaline 0.145ct loose stone
Sale price¥8,800
Brazilian green tourmaline 0.194ct loose stone
Sale price¥12,800
Brazilian green tourmaline 0.374ct loose stone
Sale price¥9,800
Mozambique pink sapphire 0.169ct loose stone
Sale price¥6,980
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.