Madagascar Blue Sapphire (Ice Blue) 0.584ct Loose
Sale price¥19,800
Sri Lankan Blue Sapphire 0.251ct Loose
Sale price¥12,800
Sri Lankan Yellow Sapphire 0.365ct Loose
Sale price¥15,800
Brazilian Alexandrite 0.091ct loose stone (princess cut)
Sale price¥22,800
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
Namibian Jeremejevite 0.069ct loose stone with certificate
Sale price¥19,800
Brazilian Alexandrite 0.056ct loose stone
Sale price¥22,800
Brazilian Paraiba Tourmaline in Quartz 6.0mm/0.783ct Loose Stone
Sale price¥15,800
Brazilian Paraiba Tourmaline in Quartz 0.712ct Loose Stone
Sale price¥15,800
Brazilian Paraiba Tourmaline in Quartz 6.0mm/0.676ct Loose Stone
Sale price¥15,800
Brazilian Paraiba Tourmaline in Quartz 6.0mm/0.728ct Loose Stone
Sale price¥12,800
Brazilian Paraiba Tourmaline in Quartz 6.0mm/0.718ct Loose Stone
Sale price¥18,800
Brazilian Paraiba Tourmaline in Quartz 6.0mm/0.735ct Loose Stone
Sale price¥15,800
Brazilian Paraiba Tourmaline in Quartz 6.0mm/0.751ct Loose Stone
Sale price¥15,800
Brazilian Paraiba Tourmaline in Quartz 6.0mm/0.704ct Loose Stone
Sale price¥15,800
Brazilian Paraiba Tourmaline in Quartz 6.0mm/0.656ct Loose Stone
Sale price¥15,800
Brazilian bicolor topaz 1.932ct loose stone
Sale price¥18,800
Brazilian unheated pink imperial topaz (sherry pink) 0.284ct loose stone
Sale price¥15,800
Brazilian unheated pink imperial topaz (sherry pink) 0.586ct loose stone
Sale price¥15,800
Brazilian unheated pink imperial topaz (sherry pink) 0.423ct loose stone
Sale price¥15,800
Synthetic black opal 1.209ct loose stone
Sale price¥18,800
Madagascar Purple Sapphire 0.315ct Loose
Sale price¥12,800
Tanzanite from Tanzania 4.9mm/0.531ct loose stone
Sale price¥12,800
Tanzanian Kornerupine 0.301ct loose stone
Sale price¥25,800
Tanzanite from Tanzania 4.7mm/0.503ct loose stone
Sale price¥14,800
Ethiopian Opal 6.0mm/0.584ct Loose
Sale price¥12,800
Brazilian Medusa Quartz (Paraiba Quartz) 1.672ct Loose Stone
Sale price¥15,800
Brazilian Medusa Quartz (Paraiba Quartz) 2.250ct Loose
Sale price¥19,800
Sri Lankan pink star sapphire 0.391ct loose stone
Sale price¥12,800
Sri Lankan pink star sapphire 0.270ct loose stone
Sale price¥12,800
Brazilian alexandrite 0.078ct loose
Sale price¥29,800
Brazilian Alexandrite 0.071ct loose stone (emerald cut)
Sale price¥29,800
Sri Lankan Dunilite 0.142ct loose stone with certificate
Sale price¥25,800
Chrysoberyl cat's eye 1.497ct loose
Sale price¥22,800
Myanmar Star Peridot 2.678ct Loose Stone
Sale price¥29,800
Brazilian Limonite in Topaz 10.100ct Loose Stone
Sale price¥25,800
Tanzania Bicolor Zoisite 6.9mm/1.365ct Loose Stone
Sale price¥24,800
[12558655] Calcite 1.185ct loose stone
Sale price¥23,800
Sri Lankan saffron 0.264ct loose stone with certificate
Sale price¥22,800
Star Ruby 0.461ct Loose Stone with Certificate
Sale price¥18,800
Sri Lankan Star Ruby 0.564ct Loose Stone with Certificate
Sale price¥24,800
Brazilian Ametrine 11.843ct loose stone
Sale price¥22,800
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
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.