Hokkaido Opal 12.492ct Loose Patch
Sale price¥7,980
Brazilian Quartz 13.991ct Loose Patch
Sale price¥9,800
[Clover in cut] Mexican opal 7mm/0,648ct {Collaboration} Loose patch
Sale price¥45,800
[Koshu Precious Stones plusthree] Amethyst 4.306ct Loose Stone Patch
Sale price¥25,800
[Koshu Precious Stone Cutting Pluethree] Yellow Beryl 0.880ct Loose
Sale price¥29,800
[Camellia Cut] Brazilian Ametrine 4.293ct [Collaboration] Loose Patch
Sale price¥49,800
[Koshu Precious Stone Cut] Scololite 6.039ct Loose Stone Patch
Sale price¥69,800
[Koshu Precious Stones Plusthree] Ametrine 5.170ct Loose Patch
Sale price¥45,800
[Camellia Cut] Ametrine 12mm/5.411ct {Collaboration} Loose Stone Patch
Sale price¥55,800
[Camellia Cut] Oregon Sunstone 14mm/2.102ct {Collaboration} Loose Patch
Sale price¥79,800
[Posted in 12549756] Lavender quartz (scorolite) 1.704ct loose
Sale price¥19,800
[Sakura Incut] Danburite 8mm/1.581ct loose stone with patch
Sale price¥29,800
[Sakura Incut] YAG (Yttrium Aluminum Garnet) 9mm/3.410ct Loose
Sale price¥55,800
[Koshu Precious Stones plusthree] Citrine 5.121ct Loose
Sale price¥39,800
![[Koshu Precious Stones Plusthree] Tibetan Andesine 7.873ct [Collaboration] Loose Stone (Color Change Andesine)](http://store.karatz.jp/cdn/shop/files/collage_4f5b4421-c714-46aa-aee2-16359b25e490.png?v=1714140601&width=2000)
Afghanistan Aragonite 15.380ct loose stone with patch
Sale price¥9,800
[Sakura Incut] Smoky Quartz 22mm/27.511ct Loose Japanese-German Edition
Sale price¥98,000
[Camellia Cut] Ametrine 14mm/8.308ct Loose Stone
Sale price¥89,800
[Clover in cut] Emerald 9mm/2.498ct {Collaboration} Loose with patch
Sale price¥98,000
[Sakura Incut] Danburite 8.3mm/1.585ct loose with patch
Sale price¥29,800
[Koshu precious stone cutter pluethree] Colombian emerald 2.018ct loose
Sale price¥98,000
[Sakura in-cut] Lavender quartz (scorolite) 8mm/ 2.161ct loose
Sale price¥19,800
[Dandelion cut] Ametrine 14mm/9.238ct loose
Sale price¥59,800
[Dandelion cut] Synthetic rutile 7.5mm/2.630ct loose
Sale price¥49,800
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.