Garden quartz 23.495ct loose
Sale price¥5,980
Pyrite in quartz 3.492ct loose
Sale price¥8,800
Mexican Water Opal 0.598ct Loose (Contralus Opal)
Sale price¥9,800
Pink tourmaline 0.517ct loose
Sale price¥6,980
Bicolor tourmaline 0.467ct loose
Sale price¥6,980
Brazilian dumortierite in quartz 0.993ct loose (faceted cut)
Sale price¥9,800
Paraiba tourmaline from Mozambique 0.092ct loose
Sale price¥9,800
Unheated silky pink sapphire from Vietnam 0.161ct loose
Sale price¥7,980
South African yellow diamond (makeable) 0.193ct rough stone
Sale price¥9,800
Andalusite 0.604ct loose
Sale price¥6,980
Brazilian Green Spodumene 1.523ct Loose Stone
Sale price¥8,800
Opal 6mm/0.590ct loose (rose cut)
Sale price¥8,800
Colombian trapiche emerald (reverse trapiche) 0.098ct rough stone
Sale price¥9,800
Colombian trapiche emerald (reverse trapiche) 0.082ct rough stone
Sale price¥9,800
Sphene from Madagascar 0.498ct loose
Sale price¥9,800
Cambodian Blue Zircon 0.810ct Loose
Sale price¥9,800
Cambodian Blue Zircon 0.832ct Loose Stone
Sale price¥9,800
Cambodian Blue Zircon 0.675ct Loose Stone
Sale price¥8,800
Brazilian bicolor tourmaline 0.697ct loose stone
Sale price¥6,580
Mexican Topaz 1.470ct Loose Stone
Sale price¥7,980
Brazilian Montebrasite 0.752ct loose stone
Sale price¥6,980
Synthetic moissanite 0.372ct loose
Sale price¥9,800
Sphene from Madagascar 0.494ct loose
Sale price¥6,980
Cambodian Blue Zircon 0.609ct Loose
Sale price¥6,980
Aventurine aquamarine cat's eye 1.814ct loose
Sale price¥6,980
Paraiba tourmaline from Brazil 3.3mm/0.169ct loose
Sale price¥9,800
Jeremejevite from Namibia 0.041ct loose
Sale price¥8,800
Mint color tourmaline 0.115ct loose
Sale price¥5,980
Mint color tourmaline 0.198ct loose
Sale price¥5,980
Mint color tourmaline 0.229ct loose
Sale price¥5,980
Pink tourmaline 0.205ct loose
Sale price¥5,980
Bicolor sapphire from Madagascar 0.259ct loose
Sale price¥9,800
Bicolor sapphire from Madagascar 0.198ct loose
Sale price¥9,800
Bicolor sapphire from Madagascar 0.212ct loose
Sale price¥9,800
Chinese aragonite 36.409ct loose with patch
Sale price¥7,980
Brazilian Trapichea Amethyst 24.772ct loose with patch
Sale price¥8,800
Tourmaline cat's eye 0.910ct loose
Sale price¥6,980
Montebrasite 0.373ct loose
Sale price¥9,800
Opal 6mm/0.595ct loose (rose cut)
Sale price¥9,800
Cambodian blue zircon 1.179ct loose
Sale price¥7,980
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.
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.