Greenland Ruby 0.266ct Loose Stone with Certificate
Sale price¥22,800
Greenland sapphire 0.133ct loose stone with certificate
Sale price¥14,800
Tanzanian Almandine Garnet 0.930ct Loose Stone
Sale price¥9,800
Tanzanian Almandine Garnet 0.750ct Loose Stone
Sale price¥9,800
Tanzanian Almandine Garnet 0.885ct Loose Stone
Sale price¥8,800
Oregon Sunstone from the United States, 0.530ct loose stone
Sale price¥15,800
Brazilian Green Tourmaline 5.0mm/0.401ct Loose Stone (Rose Cut)
Sale price¥9,800
Russian Demantoid Garnet (Horsetail) 3.8mm/0.249ct Loose Stone
Sale price¥39,800
Brazilian Blue Anatase 0.424ct Loose Stone
Sale price¥49,800
Madagascar Dumortierite (single crystal) 0.195ct loose stone
Sale price¥89,800
Sapphire from Madagascar 4.3mm/0.398ct loose
Sale price¥12,800
Hot Pink Spinel 0.203ct Loose (Mahenge Spinel)
Sale price¥8,800
Synthetic Moissanite 0.632ct loose stone (tie cut)
Sale price¥3,980
Synthetic Moissanite 0.509ct loose stone (tie cut)
Sale price¥3,980
Andalusite 0.293ct loose stone
Sale price¥3,980
Andalusite 0.192ct loose stone
Sale price¥2,980
Synthetic rutile 5.1mm/0.893ct loose stone
Sale price¥9,800
Brazilian rose amethyst 0.793ct loose stone
Sale price¥15,800
Red beryl 0.136ct loose
Sale price¥25,800
Diamond 0.061ct loose (trapeze cut, VS class equivalent)
Sale price¥7,980
Diamond 0.042ct loose (trapeze cut, VS class equivalent)
Sale price¥6,980
Diamond 0.039ct loose (trapeze cut, equivalent to VS class)
Sale price¥5,980
Madeira Citrine 7mm/0.938ct loose
Sale price¥3,980
Mexican Fire Opal 4.2mm/0.182ct Loose
Sale price¥8,800
Blue tourmaline from Afghanistan 4.5mm/0.326ct loose
Sale price¥7,980
Mozambique Ruby 3.4mm/0.139ct Loose Stone
Sale price¥25,800
Yellow sapphire from Madagascar 0.207ct loose
Sale price¥6,980
Madagascar sapphire 0.205ct loose
Sale price¥7,980
Ethiopian Sunstone 0.505ct Loose
Sale price¥8,800
Afghanistan Hackmanite 0.177ct loose stone
Sale price¥14,800
Russian Phenakite 0.520ct Loose Stone
Sale price¥24,800
Tanzanian Rhodolite Garnet 5.3mm/0.903ct Loose Stone
Sale price¥9,800
Green sapphire from Madagascar 0.199ct loose
Sale price¥6,980
Yellow sapphire from Madagascar 0.181ct loose
Sale price¥4,980
Ice blue sapphire from Madagascar 0.181ct loose
Sale price¥6,980
[Posted 12544254] Cornel pin 0.228ct loose
Sale price¥18,800
Spinel from Sri Lanka 0.276ct loose
Sale price¥2,980
Russian Demantoid Garnet 0.192ct Loose Stone
Sale price¥79,800
Tanzanian Wurtzite 0.567ct Loose Stone, Japan-Germany Exchange
Sale price¥198,000
Mozambique rubellite 0.814ct loose stone
Sale price¥39,800
Sri Lankan blue sapphire 0.187ct loose stone
Sale price¥29,800
Tanzanian Sunstone 0.980ct Loose Stone
Sale price¥9,800
American Peridot 0.635ct Loose Stone
Sale price¥12,800
American Peridot 0.283ct Loose Stone
Sale price¥8,800
[11/3 22:00] Zimbabwean Bicolor Euclase 0.196ct Loose Stone
Sale price¥45,800
Tanzanian Blue Zoisite 0.473ct Loose Stone
Sale price¥9,800
Tanzanian Sunstone (Illusion Sunstone) 0.777ct Loose Stone
Sale price¥12,800
Pakistani Peridot 0.649ct Loose Stone
Sale price¥8,800
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.