Emerald Cut
Afghanistan Bicolor Tourmaline 2.664ct Loose Stone (Seafoam Tourmaline)
Sale price¥128,000
Brazilian Green Tourmaline 1.031ct Loose Stone
Sale price¥22,800
Colombian emerald 0.126ct loose stone
Sale price¥15,800
Tanzanite from Tanzania 1.053ct loose stone
Sale price¥25,800
Tanzanian bicolor sapphire 0.950ct loose stone
Sale price¥25,800
Tanzanian bicolor sapphire 0.707ct loose stone
Sale price¥18,800
Tanzanian bicolor sapphire 0.598ct loose stone
Sale price¥16,800
Tanzanian bicolor sapphire 0.923ct loose stone
Sale price¥25,800
Tanzanian bicolor sapphire 0.571ct loose stone
Sale price¥15,800
Tanzanian bicolor sapphire 0.623ct loose stone
Sale price¥16,800
Bicolor Fluorite 6.210ct Loose
Sale price¥9,800
Afghanistan Bicolor Tourmaline 0.672ct Loose Stone
Sale price¥9,800
Afghanistan Bicolor Tourmaline 0.471ct Loose Stone
Sale price¥9,800
Afghanistan Bicolor Tourmaline 0.673ct Loose Stone
Sale price¥15,800
Pakistani Axinite (Green Tint) 0.880ct Loose Stone
Sale price¥19,800
Pakistani Axinite (Green Tint) 1.003ct Loose Stone
Sale price¥35,800
Brazilian Indigolite Tourmaline in Quartz 1.626ct Loose Stone
Sale price¥12,800
Brazilian Indigolite Tourmaline in Quartz 2.036ct Loose Stone
Sale price¥12,800
Tanzania Bicolor Zircon 0.801ct Loose Stone
Sale price¥9,800
Spanish Sphalerite 0.941ct loose stone
Sale price¥5,980
Spanish bicolor sphalerite 0.866ct loose stone
Sale price¥12,800
Brazilian Indigolite Tourmaline in Quartz 1.873ct Loose Stone
Sale price¥12,800
Madagascar sapphire 0.153ct loose stone
Sale price¥6,980
Madagascar sapphire 0.157ct loose stone
Sale price¥6,980
Madagascar sapphire 0.158ct loose stone
Sale price¥7,980
Madagascar sapphire 0.157ct loose stone
Sale price¥7,980
Chinese bicolor fluorite 6.316ct loose stone
Sale price¥8,800
Brazilian bicolor topaz (untreated) 1.452ct loose stone
Sale price¥18,800
Brazilian parti-color tourmaline 1.412ct loose stone
Sale price¥39,800
Brazilian Euclase (Bicolor Euclase) 0.199ct Loose Stone
Sale price¥45,800
Brazilian Euclase 0.116ct loose stone (bicolor Euclase)
Sale price¥25,800
Brazilian Euclase 0.492ct Loose Stone (Bicolor Euclase)
Sale price¥29,800
Brazilian Euclase 0.222ct Loose Stone
Sale price¥18,800
Bicolor sapphire 0.481ct loose
Sale price¥25,800
Purple sapphire 0.419ct loose stone
Sale price¥15,800
Brazilian bicolor tourmaline 0.644ct loose stone
Sale price¥9,800
Spanish Sphalerite 1.372ct loose stone
Sale price¥12,800
Madagascar Purple Sapphire 0.433ct Loose Stone
Sale price¥14,800
Spanish Sphalerite 1.609ct loose stone
Sale price¥19,800
Mexican Opal (Faceted Cut) 1.052ct Loose
Sale price¥19,800
Brazilian Blue Tourmaline 0.650ct Loose
Sale price¥9,800
Myanmar spinel 0.402ct loose stone
Sale price¥12,800
Non-Oil Emerald 1.070ct Loose Gübelin Certificate
Sale price¥698,000
Pakistan Ruby in Quartz 1.429ct Loose Stone
Sale price¥12,800
Brazilian Bicolor Tourmaline 16.088ct Loose (Tricolor) Nikkei
Sale price¥298,000
Bicolor tourmaline 0.840ct loose
Sale price¥22,800
Congo Bicolor Tourmaline 3.429ct Loose
Sale price¥128,000
Non-Oil Emerald 1.030ct Loose Gübelin Gübelin Certificate
Sale price¥698,000
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.