Tanzania Peristerite 0.461ct loose stone
Sale price¥9,800
Tanzanite from Tanzania 0.580ct loose stone
Sale price¥14,800
Russian Demantoid Garnet (Horsetail Recognized) 5.2mm/0.661ct Loose Stone
Sale price¥198,000
Brazilian Dendritic Agate 1.155ct Loose Stone
Sale price¥6,980
Brazilian Mica in Quartz (Mica in Quartz) 0.990ct Loose
Sale price¥6,980
Brazilian Mica in Quartz (Mica in Quartz) 0.701ct Loose Stone
Sale price¥6,980
Brazilian Mica in Quartz (Mica in Quartz) 1.009ct Loose Stone
Sale price¥9,800
Brazilian Mica in Quartz (Mica in Quartz) 0.622ct Loose Stone
Sale price¥6,980
Brazilian Lepidocrocite in Quartz 0.608ct Loose Stone
Sale price¥8,800
Australian Prehnite 5.4mm/0.475ct loose stone
Sale price¥6,980
Mozambique Almandine Garnet 1.465ct Loose Stone
Sale price¥15,800
Mozambique Almandine Garnet 1.052ct Loose Stone
Sale price¥12,800
Colombian Euclase 1.157ct loose stone
Sale price¥69,800
Brazilian Lepidocrocite in Quartz 0.713ct Loose Stone
Sale price¥3,980
Brazilian Paraiba Tourmaline in Quartz 1.171ct Loose Stone
Sale price¥18,800
Oregon Sunstone from the United States 0.661ct loose stone
Sale price¥6,980
Tanzania Peristallite 6.0mm/0.531ct Loose Stone (Blue Moonstone)
Sale price¥9,800
Colombian Trapiche Emerald 0.923ct Rough Stone
Sale price¥45,800
Brazilian Sky Blue Topaz (untreated) 2.013ct loose stone
Sale price¥12,800
Synthetic Moissanite 5.9mm/0.648ct Loose Stone
Sale price¥9,800
Synthetic Moissanite 5.9mm/0.651ct Loose Stone
Sale price¥9,800
Brazilian copper rutilated quartz 1.507ct loose stone
Sale price¥8,800
Mexican Hyalite Opal 6.0mm/0.676ct Loose Stone
Sale price¥15,800
Brazilian bicolor topaz (untreated) 1.452ct loose stone
Sale price¥18,800
Brazilian Dendritic Agate 0.845ct Loose Stone
Sale price¥8,800
Madagascar Blue Apatite 1.110ct Loose Stone
Sale price¥8,800
Bicolor tourmaline 1.833ct loose
Sale price¥18,800
Brazilian Rubellite 0.897ct loose stone
Sale price¥29,800
Brazilian Paraiba Tourmaline in Quartz 6.0mm/0.441ct Loose Stone
Sale price¥22,800
Brazilian Paraiba Tourmaline in Quartz 6.0mm/0.568ct Loose Stone
Sale price¥22,800
Sri Lankan Silky Sapphire 1.166ct Loose
Sale price¥12,800
Silky sapphire from Sri Lanka 0.975ct loose
Sale price¥8,800
Brazilian dendritic quartz 2.381ct loose stone
Sale price¥7,980
Mexican Opal (Faceted Cut) 0.640ct Loose
Sale price¥14,800
Synthetic Opal (Synthetic Black Opal) 0.651ct Loose
Sale price¥15,800
Non-Oil Emerald 1.070ct Loose Gübelin Certificate
Sale price¥698,000
Brazilian Green Tourmaline 0.703ct Loose Stone
Sale price¥15,800
Brazilian Green Tourmaline 0.764ct Loose Stone
Sale price¥9,800
Brazilian bicolor tourmaline 0.675ct loose stone
Sale price¥9,800
Cambodian colorless zircon 1.212ct loose stone
Sale price¥15,800
Tanzanite from Tanzania 0.804ct loose stone
Sale price¥24,800
Mozambique Rubellite 1.706ct Loose Stone
Sale price¥39,800
Non-Oil Emerald 1.030ct Loose Gübelin Gübelin Certificate
Sale price¥698,000
Brazilian Tourmaline 0.858ct Loose Stone
Sale price¥15,800
Brazilian Brown Tourmaline 1.529ct Loose Stone
Sale price¥14,800
Brazilian Green Tourmaline 1.059ct Loose Stone
Sale price¥16,800
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.