Oval Cut
Tibetan Andesine 2.020ct Loose Stone
Sale price¥18,800
Brazilian Medusa Quartz (Paraiba Quartz) 0.590ct Loose
Sale price¥9,800
Australian Rainbow Lattice Sunstone 0.590ct Loose
Sale price¥12,800
Australian Rainbow Lattice Sunstone 0.876ct Loose Stone
Sale price¥19,800
Brazilian unheated pink imperial topaz (sherry pink) 0.476ct loose stone
Sale price¥39,800
Mexican Fire Opal (Faceted Cut) 0.918ct Loose
Sale price¥12,800
Montana sapphire 0.370ct loose stone
Sale price¥9,800
Cambodian colorless zircon 0.749ct loose stone
Sale price¥8,800
Sri Lankan Blue Sapphire 1.162ct Loose Stone (Rainbow Inclusions)
Sale price¥15,800
Tanzanite from Tanzania 0.878ct loose stone
Sale price¥14,800
Purple Apatite 1.081ct Loose Stone with Certificate
Sale price¥12,800
Purple Apatite 0.896ct Loose Stone with Certificate of Authenticity
Sale price¥11,000
Purple Apatite 1.549ct Loose Stone with Certificate
Sale price¥18,800
Purple Apatite 0.993ct Loose Stone with Certificate of Authenticity
Sale price¥9,800
Purple Apatite 0.915ct Loose Stone with Certificate of Authenticity
Sale price¥13,800
Purple Apatite 0.769ct Loose Stone with Certificate of Authenticity
Sale price¥8,800
Montana Sapphire 0.275ct Loose (Blue Sapphire)
Sale price¥8,800
Montana Sapphire 0.217ct Loose (Blue Sapphire)
Sale price¥8,800
Brazilian copper rutilated quartz 2.051ct loose stone
Sale price¥8,800
Tanzania Magnesioaxinite 0.176ct loose stone by Nikkei
Sale price¥59,800
Tanzania Magnesioaxinite 0.198ct loose stone by Nikkei
Sale price¥69,800
Sri Lankan Dunilite 0.142ct loose stone with certificate
Sale price¥25,800
Myanmar Star Peridot 2.678ct Loose Stone
Sale price¥29,800
Myanmar Star Peridot 3.644ct Loose Stone
Sale price¥39,800
Sunstone (Illusion Sunstone) 1.934ct Loose
Sale price¥8,800
Cassiterite 0.945ct loose stone with certificate
Sale price¥25,800
Myanmar Leuco Garnet 0.504ct Loose Stone JTL Catalog
Sale price¥39,800
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.189ct Loose Stone
Sale price¥16,800
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.192ct Loose Stone
Sale price¥13,800
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.272ct Loose Stone
Sale price¥19,800
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.272ct Loose Stone
Sale price¥19,800
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.179ct Loose Stone
Sale price¥12,800
Brazilian Dumortierite in Quartz 3.490ct loose stone
Sale price¥18,800
Madagascar Neon Blue Apatite 0.360ct Loose
Sale price¥9,800
Sri Lankan Musgravite 0.389ct Loose Stone (Tubular Inclusions) Nikkei
Sale price¥398,000
Illusion Pink Tourmaline (Iridescent Tourmaline) 5.308ct Loose Stone
Sale price¥69,800
Illusion Pink Tourmaline (Iridescent Tourmaline) 4.172ct Loose
Sale price¥59,800
Illusion Tourmaline (Iridescent Tourmaline) 2.266ct Loose Stone
Sale price¥39,800
Zimbabwean Blue Apatite (UV type) 2.596ct loose stone
Sale price¥18,800
Zimbabwean Apatite (UV type) 2.609ct loose stone
Sale price¥19,800
Zimbabwean Apatite (UV type) 1.712ct loose stone
Sale price¥13,800
Russian Phenakite 0.513ct Loose Stone
Sale price¥19,800
Afghanistan Seafoam Tourmaline 0.429ct 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.
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.