Diamond (cabochon cut) 0.196ct loose
Sale price¥29,800
Sri Lankan Star Sapphire 1.028ct Loose
Sale price¥8,800
Sri Lankan Star Sapphire 0.533ct Loose
Sale price¥6,980
Sri Lankan saffron 0.517ct loose stone, Japan-German
Sale price¥59,800
Oregon Sunstone from the United States 8.0mm/1.835ct loose stone
Sale price¥22,800
2.801ct loose stone of Rogerian fluorite from the UK
Sale price¥8,800
2.744ct loose Rogerley fluorite from the UK
Sale price¥8,800
Madagascar Labradorite 0.931ct loose stone
Sale price¥8,800
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
Sri Lankan Musgravite 0.389ct Loose Stone (Tubular Inclusions) Nikkei
Sale price¥398,000
Oregon Sunstone from the United States 1.198ct loose stone
Sale price¥8,800
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
Sri Lankan Blue Sapphire 0.344ct Loose
Sale price¥12,800
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.824ct Loose Stone
Sale price¥39,800
Brazilian Pink Tourmaline 0.331ct Loose Stone
Sale price¥8,800
Australian white opal 1.830ct loose
Sale price¥9,800
Burmese gray spinel 0.827ct loose stone
Sale price¥28,800
Tanzania gray spinel 0.844ct loose stone
Sale price¥18,800
Tanzanian grey spinel 5.1mm/0.605ct loose stone
Sale price¥12,800
Tanzania Gray Spinel 5.0mm/0.510ct Loose Stone
Sale price¥12,800
Silky sapphire from Sri Lanka 0.975ct loose
Sale price¥8,800
Brazilian Quartz (Striped Quartz) 15.019ct Loose Patch
Sale price¥8,800
Brazilian bicolor tourmaline 1.953ct loose stone
Sale price¥18,800
Myanmar spinel 0.402ct loose stone
Sale price¥12,800
Tanzanian Blue Spinel 1.028ct Loose Stone
Sale price¥39,800
Australian black opal 0.386ct loose stone
Sale price¥39,800
Brazilian bicolor tourmaline 0.326ct loose stone
Sale price¥8,800
Sri Lankan Silky Sapphire 6.4mm/1.036ct Loose Stone
Sale price¥12,800
Silky Sapphire from Sri Lanka 1.716ct loose stone
Sale price¥14,800
Myanmar Taaffeite 6.9mm/1.408ct loose stone
Sale price¥98,000
Ethiopian Opal 5.2mm/0.688ct Loose (Sphere)
Sale price¥6,980
Indian Moonstone 1.946ct Loose
Sale price¥14,800
Synthetic Moissanite 5.8mm/0.678ct Loose Stone
Sale price¥9,800
Synthetic Moissanite 5.8mm/0.682ct Loose Stone
Sale price¥9,800
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.