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
Brazilian Rubellite 2.439ct loose stone
Sale price¥69,800
Mexican Hyalite Opal 1.687ct Loose
Sale price¥9,800
Tanzanite 1.540ct loose stone
Sale price¥49,800
Tanzanite 1.458ct loose stone
Sale price¥39,800
Tanzanite 1.055ct loose stone
Sale price¥29,800
Kasharai Amethyst 0.430ct Loose
Sale price¥12,800
Moloxite (Green Apatite) from Madagascar 4.087ct Loose Stone
Sale price¥39,800
Mexican Hyalite Opal 0.664ct Loose
Sale price¥6,980
Mexican Hyalite Opal 0.873ct Loose
Sale price¥9,800
Mexican Hyalite Opal 3.917ct Loose
Sale price¥15,800
Colombian Euclase 1.836ct loose stone
Sale price¥18,800
Ruby 0.258ct loose
Sale price¥18,800
Mexican Hyalite Opal 1.554ct Loose
Sale price¥7,980
Cambodian Blue Zircon (Ratanakiri Blue) 6.771ct Loose
Sale price¥168,000
Mozambique Almandine Garnet 0.774ct Loose Stone
Sale price¥8,800
Mozambique Rhodolite Garnet 5.7mm/1.188ct Loose Stone
Sale price¥12,800
Sri Lankan Yellow Sapphire 0.407ct Loose
Sale price¥15,800
Sri Lankan Yellow Sapphire 0.250ct Loose
Sale price¥12,800
Sri Lankan Yellow Sapphire 0.223ct Loose
Sale price¥12,800
Round Diamond 0.389ct Loose (Cabochon Cut)
Sale price¥39,800
[Koshu Precious Stone Cut] Hematite in Quartz 5.155ct Loose Patch
Sale price¥45,800
Mexican Fire Opal 0.448ct Loose
Sale price¥3,980
Sweet Home Rhodochrosite 2.7mm/0.108ct Loose Stone
Sale price¥12,800
Brazilian Madeira Citrine 6.8mm/1.110ct Loose Stone
Sale price¥4,980
Cambodian colorless zircon 1.407ct loose stone
Sale price¥12,800
Cambodian colorless zircon 1.806ct loose stone
Sale price¥15,800
Oregon Sunstone from the United States 0.596ct loose stone
Sale price¥12,800
Tanzanite from Tanzania 1.045ct loose stone
Sale price¥29,800
Afghanistan Bicolor Tourmaline 1.653ct Loose Stone
Sale price¥49,800
Dominican Republic Conch Pearl (with flame pattern) 0.950ct loose
Sale price¥15,800
Dominican Republic Conch Pearl (with flame pattern) 0.960ct loose
Sale price¥18,800
Andalusite from Madagascar 4.6mm/0.369ct loose stone
Sale price¥5,980
Mexican fire agate 5.86ct loose
Sale price¥14,800
Mexican fire agate 8.69ct loose
Sale price¥14,800
Diamond 0.245ct loose stone (E, VS-1, octagon brilliant cut)
Sale price¥39,800
German Awinite 0.093ct loose stone
Sale price¥29,800
2.801ct loose stone of Rogerian fluorite from the UK
Sale price¥8,800
Brazilian Bicolor Topaz 0.973ct Loose Stone
Sale price¥12,800
2.744ct loose Rogerley fluorite from the UK
Sale price¥8,800
Colombian fluorite 6.327ct loose stone
Sale price¥25,800
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.