Brazilian Imperial Topaz 0.563ct Loose Stone
Sale price¥15,800
Brazilian Green Spodumene 2.029ct Loose Stone
Sale price¥12,800
Tanzanian Sunstone 1.599ct Loose Stone
Sale price¥9,800
Tanzanian Almandine Garnet 2.992ct Loose Stone, Japan-Germany Exchange
Sale price¥15,800
Brazilian Indigolite Tourmaline 0.609ct Loose Stone JTL
Sale price¥25,800
Sri Lankan saffron 0.116ct loose stone with certificate of authenticity
Sale price¥25,800
[12560396] YAG (Yttrium Aluminum Garnet) 2.221ct Loose Stone
Sale price¥39,800
Afghanistan Clinozoisite 1.810ct Loose Stone (Phantom Cut)
Sale price¥8,800
Fire opal 1.360ct loose
Sale price¥9,800
Green sapphire 7.545ct loose (spade cut)
Sale price¥59,800
Colombian emerald 0.222ct loose stone
Sale price¥59,800
Mexican Fire Opal 1.580ct Loose
Sale price¥25,800
Cat Cut (Leopard Print) Amber 0.906ct Loose Stone
Sale price¥9,800
Hemimorphite 29.778ct loose
Sale price¥79,800
Australian opal 14.837ct loose
Sale price¥98,000
Mexican Opal 8mm/1.430ct Loose
Sale price¥25,800
Spinel from Sri Lanka 0.800ct loose
Sale price¥6,980
Tanzanian Clinozoisite 0.950ct Loose Stone (Phantom Cut)
Sale price¥3,980
Sierra Leone sapphire 1.470ct loose
Sale price¥9,800
Sierra Leone sapphire 1.210ct loose
Sale price¥7,980
Silky pink spinel from Mozambique 0.610ct loose
Sale price¥18,800
American Anthill Garnet 0.822ct Loose Stone
Sale price¥19,800
Brazilian Bicolor Beryl 0.556ct Loose Stone
Sale price¥29,800
Synthetic Alexandrite 5.7mm/0.827ct Loose Stone
Sale price¥19,800
German Apatite 0.097ct loose stone
Sale price¥39,800
Brazilian Swiss Blue Topaz 1.065ct Loose Stone
Sale price¥11,000
Australian boulder opal 9.120ct loose
Sale price¥98,000
Mongolian Bicolor Andesine 0.944ct Loose Stone
Sale price¥15,800
Zimbabwean sphene 0.751ct loose stone
Sale price¥16,800
Tanzanian bicolor zoisite 1.327ct loose stone
Sale price¥59,800
Zimbabwean sphene 1.170ct loose stone
Sale price¥22,800
Zimbabwean sphene 0.756ct loose stone
Sale price¥18,800
Zimbabwean sphene 0.850ct loose stone
Sale price¥19,800
Tanzanian Bicolor Grossular Garnet 1.359ct Loose Stone
Sale price¥49,800
South African Sugilite 5.2mm/0.434ct Loose Stone (Rose Cut)
Sale price¥18,800
Blue sapphire 0.291ct loose stone
Sale price¥18,800
Blue sapphire 4.1mm/0.332ct loose stone
Sale price¥25,800
Zimbabwean sphene 0.665ct loose stone
Sale price¥12,800
South African rough diamond (sawable) 0.105ct rough (with trigon)
Sale price¥39,800
[12554117] Brazilian Alexandrite 0.058ct loose stone
Sale price¥14,800
Brazilian Paraiba Tourmaline 0.039ct Loose Stone (CuO: 2.0%, MnO: 2.3%)
Sale price¥45,800
Brazilian bicolor tourmaline 0.258ct loose stone
Sale price¥8,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 1.490ct Loose (Faceted)
Sale price¥35,800
Bicolor tourmaline 0.435ct loose (rose cut)
Sale price¥5,980
Bicolor tourmaline 0.591ct loose (rose cut)
Sale price¥8,980
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.