Santa Maria Aquamarine 1.265ct Loose Stone
Sale price¥18,800
Pyrope Almandine Garnet 1.112ct Loose Stone
Sale price¥12,800
Cambodian Zircon 1.547ct Loose Stone
Sale price¥22,800
Brazilian Green Tourmaline 1.431ct Loose Stone
Sale price¥12,800
Oregon Sunstone from the United States 1.951ct loose stone
Sale price¥12,800
Sri Lankan bicolor sapphire 1.020ct loose stone
Sale price¥59,800
Bulgarian green sphalerite 1.052ct loose Japanese-German edition
Sale price¥128,000
[Star-in cut] Mexican opal 8mm/1.139ct loose stone
Sale price¥39,800
Tanzanian bicolor tanzanite 1.284ct loose stone
Sale price¥29,800
Pakistani Axinite 1.190ct loose stone (green tint)
Sale price¥39,800
Madagascar Golden Iolite (Cordierite) 7.6mm/1.477ct Loose Stone
Sale price¥29,800
Pakistani Axinite (Green Tint) 1.389ct Loose Stone
Sale price¥39,800
Colombian Euclase 1.836ct loose stone
Sale price¥18,800
Mexican Hyalite Opal 1.554ct Loose
Sale price¥7,980
Mexican Hyalite Opal 1.687ct Loose
Sale price¥9,800
Brazilian Dumortierite in Quartz 1.279ct loose stone (faceted cut)
Sale price¥9,800
Brazilian Dumortierite in Quartz 1.447ct loose stone (faceted cut)
Sale price¥18,800
Brazilian Dumortierite in Quartz 1.284ct loose stone (faceted cut)
Sale price¥9,800
Brazilian Dumortierite in Quartz 1.276ct loose stone
Sale price¥6,980
Tanzanite 1.540ct loose stone
Sale price¥49,800
Tanzanite 1.055ct loose stone
Sale price¥29,800
Tanzanite 1.458ct loose stone
Sale price¥39,800
Mongolian color change andesine 1.486ct loose stone
Sale price¥18,800
Mozambique pink tourmaline 1.006ct loose stone
Sale price¥8,800
Colombian Euclase 1.314ct loose stone
Sale price¥39,800
Mozambique Rhodolite Garnet 1.146ct Loose Stone
Sale price¥12,800
Russian Diopside 1.506ct Loose Stone
Sale price¥29,800
Oregon Sunstone from the United States 1.930ct loose stone
Sale price¥18,800
Dominican Republic Conch Pearl 1.990ct Loose (with flame pattern)
Sale price¥29,800
American Axinite 1.630ct loose stone
Sale price¥7,980
Colombian mica in emerald 1.940ct loose
Sale price¥49,800
Ethiopian Opal 1.521ct Loose
Sale price¥3,980
Ethiopian Opal 1.014ct Loose
Sale price¥3,980
Mexican Fire Opal 1.330ct Loose (Contralus Opal)
Sale price¥19,800
Mexican Fire Opal 1.610ct Loose (Contralus Opal)
Sale price¥19,800
Brazilian Pink Euclase 1.259ct Loose Stone Japan-Germany
Sale price¥3,980,000
Australian Prehnite 6.0mm/1.004ct loose stone (rose cut)
Sale price¥8,800
Mozambique Rhodolite Garnet 5.7mm/1.188ct Loose Stone
Sale price¥12,800
Green Apatite from Madagascar 1.580ct loose stone
Sale price¥14,800
Brazilian Paraiba Tourmaline in Quartz 1.054ct Loose Stone
Sale price¥18,800
Brazilian Paraiba Tourmaline in Quartz 7.9mm/1.133ct Loose Stone
Sale price¥22,800
Brazilian Paraiba Tourmaline in Quartz 1.530ct Loose Stone
Sale price¥29,800
Cambodian colorless zircon 1.407ct loose stone
Sale price¥12,800
Cambodian colorless zircon 1.806ct loose stone
Sale price¥15,800
Tanzanite from Tanzania 1.045ct 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.