Sri Lankan Yellow Sapphire 0.272ct Loose (Bicolor)
Sale price¥12,800
Blue beryl (Macis beryl) 3.5mm/0.152ct loose stone
Sale price¥8,800
Blue Beryl (Macisi Beryl) 3.6mm/0.176ct loose stone
Sale price¥8,800
Blue Beryl (Macisi Beryl) 3.5mm/0.158ct loose stone
Sale price¥8,800
Colombian emerald 3.5mm/0.150ct loose stone
Sale price¥22,800
Montana Sapphire (Blue Sapphire) 0.207ct Loose
Sale price¥6,980
Ruby 0.273ct loose stone
Sale price¥13,800
Ruby 0.173ct loose stone
Sale price¥12,800
Sri Lankan Yellow Sapphire 0.300ct Loose
Sale price¥8,800
Sri Lankan Blue Sapphire 0.226ct Loose
Sale price¥14,800
Sri Lankan Yellow Sapphire 0.261ct Loose
Sale price¥12,800
Brazilian Paraiba Tourmaline 0.167ct loose stone (CuO: 1.1%, MnO: 3.6%)
Sale price¥69,800
Tanzanian Cobalt Spinel (Blue Spinel) 0.118ct Loose Stone Japan-Germany
Sale price¥29,800
Cambodian colorless zircon 0.309ct loose stone
Sale price¥4,980
Sri Lankan Blue Sapphire 3.8mm/0.279ct Loose
Sale price¥8,800
Oregon Sunstone from the United States 0.314ct loose stone
Sale price¥14,800
Oregon Sunstone from the United States 4.0mm/0.206ct loose stone
Sale price¥8,800
Oregon Sunstone from the United States 4.0mm/0.204ct loose stone
Sale price¥6,980
Kenyan Gold Sheen Sapphire 4mm/0.438ct Loose
Sale price¥55,800
Diamond (cabochon cut) 0.183ct loose
Sale price¥24,800
Kenyan Gold Sheen Sapphire 3.6mm/0.302ct Loose Stone
Sale price¥35,800
Kenyan Gold Sheen Sapphire 3.5mm/0.273ct Loose Stone
Sale price¥22,800
Kenyan Gold Sheen Sapphire 4.0mm/0.305ct Loose Stone (Rose Cut)
Sale price¥12,800
Kenyan Gold Sheen Sapphire 3.9mm/0.298ct Loose (Rose Cut)
Sale price¥12,800
Kenyan Gold Sheen Sapphire 0.308ct Loose
Sale price¥12,800
Russian Yellow Diamond Rough (Sawable) 0.306ct Rough (Trigon)
Sale price¥98,000
American red beryl 0.092ct loose
Sale price¥19,800
Brazilian Lazurite (Azurite) 0.083ct loose stone
Sale price¥24,800
Brazilian Lazurite (Azurite) 0.071ct loose stone
Sale price¥22,800
Brazilian Alexandrite 0.154ct loose stone
Sale price¥35,800
Brazilian bicolor euclase 0.233ct loose stone
Sale price¥24,800
Brazilian bicolor euclase 0.212ct loose stone
Sale price¥15,800
Brazilian bicolor euclase 0.168ct loose stone
Sale price¥25,800
Brazilian bicolor euclase 0.157ct loose stone
Sale price¥14,800
Umba Sapphire (Tanzania) 0.182ct loose stone
Sale price¥7,980
Paraiba tourmaline from Brazil 0.052ct loose
Sale price¥29,800
Nigerian Cobalt Garnite 0.242ct Loose Stone JTL Catalog
Sale price¥39,800
Tanzania Cobalt Spinel 0.211ct Loose Stone JTL Catalog
Sale price¥29,800
Nigerian Cobalt Garnite 0.233ct Loose Stone JTL Catalog
Sale price¥45,800
Namibian Jeremejevite 0.158ct loose stone
Sale price¥45,800
Namibian Jeremejevite 0.405ct loose stone
Sale price¥128,000
Namibian Jeremejevite 0.394ct loose stone
Sale price¥128,000
Madagascar Padparadscha Sapphire 0.208ct Loose DGL
Sale price¥34,800
Colombian emerald 0.191ct loose
Sale price¥22,800
Colombian emerald 0.231ct loose stone
Sale price¥28,800
Zimbabwean Apatite (UV type) 0.209ct loose stone
Sale price¥4,980
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.