American Red Beryl 0.140ct Loose
Sale price¥29,800
Ruby 4.0mm/0.305ct loose stone
Sale price¥45,800
Mozambique Almandine Garnet 0.913ct Loose Stone
Sale price¥9,800
Mozambique Almandine Garnet 1.614ct Loose Stone
Sale price¥14,800
Mozambique Almandine Garnet 1.229ct Loose Stone
Sale price¥12,800
Mozambique Almandine Garnet 1.602ct Loose Stone
Sale price¥15,800
Mozambique Almandine Garnet 1.465ct Loose Stone
Sale price¥15,800
Mozambique Almandine Garnet 1.052ct Loose Stone
Sale price¥12,800
Mozambique Almandine Garnet 1.065ct Loose Stone
Sale price¥11,000
Mozambique Almandine Garnet 6.7mm/1.308ct Loose Stone
Sale price¥12,800
Tanzanian Rhodolite Garnet 1.329ct Loose Stone
Sale price¥15,800
Tanzanian Rhodolite Garnet 0.794ct Loose Stone
Sale price¥9,800
Brazilian Lepidocrocite in Quartz 8.5mm/2.245ct Loose Stone
Sale price¥8,800
Brazilian Lepidocrocite in Quartz 5.0mm/0.477ct Loose Stone
Sale price¥4,980
Silky pink sapphire from Madagascar 0.468ct loose stone
Sale price¥12,800
Silky pink sapphire from Madagascar 0.457ct loose stone
Sale price¥12,800
Silky pink sapphire from Madagascar 0.445ct loose stone
Sale price¥12,800
Tanzanian Almandine Garnet 34.581ct Loose Stone
Sale price¥158,000
Burmese Red Spinel 0.177ct Loose
Sale price¥9,800
Burmese Red Spinel 0.201ct Loose
Sale price¥9,800
Mozambique Almandine Garnet 1.071ct Loose Stone
Sale price¥9,800
Mozambique Almandine Garnet 2.185ct Loose Stone
Sale price¥15,800
Brazilian Rubellite 0.897ct loose stone
Sale price¥29,800
Brazilian Rubellite Cat's Eye 1.484ct Loose Stone
Sale price¥39,800
Burmese Red Spinel 3.6mm/0.216ct Loose Stone
Sale price¥8,800
Spanish Sphalerite 1.372ct loose stone
Sale price¥12,800
American Red Beryl 0.130ct Loose
Sale price¥29,800
Tibetan bicolor andesine 1.431ct loose stone
Sale price¥12,800
Unheated Mozambique Ruby 0.220ct Loose
Sale price¥25,800
Unheated Ruby 0.330ct Loose AIGS
Sale price¥35,800
Burmese Ruby 0.418ct Loose Stone Japan-Germany
Sale price¥35,800
Burmese unheated ruby 0.245ct loose stone by Nikkei
Sale price¥39,800
Myanmar Ruby 0.283ct Loose
Sale price¥29,800
Burmese Ruby 0.239ct Loose
Sale price¥9,800
Pakistan Ruby in Quartz 1.429ct Loose Stone
Sale price¥12,800
Brazilian Rubellite (Red Tourmaline) 3.844ct Loose Stone
Sale price¥128,000
Brazilian Rubellite 2.022ct Loose Stone
Sale price¥55,800
Brazilian Rubellite (Red Tourmaline) 1.525ct Loose Stone
Sale price¥39,800
Ruby 0.273ct loose stone
Sale price¥13,800
Ruby 0.173ct loose stone
Sale price¥12,800
Ruby 0.248ct loose
Sale price¥12,800
Oregon Sunstone from the United States 0.314ct loose stone
Sale price¥14,800
Madagascar Oregon Sunstone 4mm/0.239ct Loose Stone
Sale price¥7,980
Oregon Sunstone from the United States 4.0mm/0.204ct loose stone
Sale price¥6,980
Mozambique Rubellite 1.706ct Loose Stone
Sale price¥39,800
Oregon Sunstone from the United States 5.0mm/0.460ct loose stone
Sale price¥19,800
Tanzanian Rhodolite Garnet 10.608ct Loose Stone
Sale price¥98,000
Tibetan bicolor andesine 1.542ct loose stone
Sale price¥14,800
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.
業界発展のための後進育成や事業協力、宝石の国スリランカの子どもたちへの支援活動など、KARATZの取り組みについてご紹介いたします。
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.