Russian demantoid garnet (horsetail recognized) 4.4mm/0.394ct loose
Sale price¥69,800
Mexican Danburite 1.515ct loose stone (phantom cut)
Sale price¥8,800
Tanzanian Dragon Garnet 0.754ct Loose Stone
Sale price¥19,800
Zimbabwean Bicolor Euclase 0.183ct Loose Stone
Sale price¥49,800
Paraiba tourmaline from Mozambique 0.154ct loose stone
Sale price¥19,800
[Sakura In-Cut] Mexican Opal 9mm/1.532ct Loose
Sale price¥45,800
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 Rhodolite Garnet 0.801ct Loose Stone
Sale price¥9,800
Pakistani Peridot 0.408ct Loose Stone
Sale price¥6,980
Pakistani Peridot 0.376ct Loose Stone
Sale price¥6,980
Mexican Hyalite Opal 6.1mm/0.652ct Loose Stone
Sale price¥25,800
Purple spinel 0.210ct loose
Sale price¥3,980
Lavender spinel 0.160ct loose
Sale price¥3,980
Pink spinel 0.290ct loose
Sale price¥5,980
Orthoclase 3.711ct loose stone, Japan-Germany exchange
Sale price¥15,800
Scapolite 1.780ct loose stone
Sale price¥9,800
Mexican Fire Opal 1.580ct Loose
Sale price¥25,800
Hemimorphite 29.778ct loose
Sale price¥79,800
Trapiche emerald 0.650ct loose (reverse trapiche)
Sale price¥6,980
Australian opal 14.837ct loose
Sale price¥98,000
Bicolor tourmaline 1.097ct loose
Sale price¥5,980
Bicolor tourmaline 1.248ct loose
Sale price¥6,980
Paraiba tourmaline from Brazil 0.232ct loose
Sale price¥45,800
Paraiba tourmaline from Brazil 0.204ct loose
Sale price¥29,800
Paraiba tourmaline from Brazil 0.240ct loose (CuO:0.7%, MnO:3.8%)
Sale price¥45,800
1.476ct loose sphalerite from Spain
Sale price¥29,800
Colombian emerald 0.101ct loose stone
Sale price¥15,800
Blue sapphire 4.0mm/0.314ct loose stone
Sale price¥112,800
Tanzanian Dragon Garnet 0.829ct Loose Stone
Sale price¥22,800
Brazilian Pink Imperial Topaz 1.907ct Loose Japanese-German Edition
Sale price¥98,000
Spinel from Sri Lanka 0.800ct loose
Sale price¥6,980
Tanzanian Clinozoisite 0.710ct Loose Stone (Phantom Cut)
Sale price¥3,980
Tanzanian Clinozoisite 0.950ct Loose Stone (Phantom Cut)
Sale price¥3,980
Tanzanian Clinozoisite 0.560ct Loose Stone (Phantom Cut)
Sale price¥3,980
Paraiba tourmaline from Brazil 0.239ct loose
Sale price¥45,800
Paraiba tourmaline from Brazil 0.226ct loose (CuO:0.7%, MnO:3.6%)
Sale price¥39,800
Paraiba tourmaline from Brazil 0.086ct loose (CuO:1.5%, MnO:2.3%)
Sale price¥18,800
Mexican Danburite 1.981ct loose stone (phantom cut)
Sale price¥9,800
Mexican Danburite 1.859ct loose stone (phantom cut)
Sale price¥9,800
Paraiba tourmaline from Brazil 0.167ct loose (CuO:1.6%, MnO:3.0%)
Sale price¥29,800
Paraiba tourmaline from Brazil 0.205ct loose (CuO:0.8%, MnO:3.1%)
Sale price¥39,800
Indian moonstone 2.415ct loose stone
Sale price¥15,800
Tibetan Andesine 0.967ct Loose Stone
Sale price¥15,800
Brazilian Fluorite Quartz 3.962ct Loose Stone
Sale price¥24,800
Brazilian Bicolor Beryl 0.556ct Loose Stone
Sale price¥29,800
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.