Green opal 15.950ct loose
Sale price¥29,800
Green tourmaline 9.537ct loose
Sale price¥98,000
Colombian Euclase from Colombia 4.869ct loose
Sale price¥55,800
[Konpeito] Iolite 3.330ct loose
Sale price¥25,800
Madeira Citrine 6mm/0.914ct loose
Sale price¥8,800
Bicolor imperial topaz 1.725ct loose
Sale price¥79,800
Tanzanite 2.726ct loose
Sale price¥110,000
[Dandelion Cut] Danburite 8mm/1.860ct《Collaboration》Loose with patch
Sale price¥19,800
Sealight 2.737ct loose
Sale price¥22,800
Color change Andesine 2.311ct loose
Sale price¥25,800
Colombian Euclase 3.543ct loose
Sale price¥39,800
Cantera opal 14.581ct loose
Sale price¥22,800
Paraiba tourmaline from Brazil 0.252ct loose (CuO:0.9%, MnO:2.0%)
Sale price¥29,800
Bicolor Zoisite 1.785ct loose
Sale price¥49,800
Opal 21.584ct loose Japanese and German
Sale price¥8,800
Bicolor sapphire 0.853ct loose stone
Sale price¥9,800
Morganite 1.135ct loose
Sale price¥5,980
Morganite 0.863ct loose
Sale price¥3,980
Synthetic moissanite 0.245ct loose (shield cut)
Sale price¥6,980
Tanzanite 2.418ct loose
Sale price¥55,800
Synthetic moissanite 10.5mm/4.197ct loose (Portuguese cut)
Sale price¥29,800
Hemimorphite 18.750ct loose
Sale price¥39,800
Paraiba tourmaline from Brazil 0.265ct loose (CuO:0.7%, MnO:3.0%)
Sale price¥29,800
Montana Sapphire 1.9mm/0.033ct loose
Sale price¥4,980
Dioptase from Namibia 3.2mm/0.123ct loose
Sale price¥59,800
Labradorite 6mm/0.741ct loose (rose cut)
Sale price¥3,980
Brazilian rainbow scapolite 3mm/0.133ct loose (rose cut)
Sale price¥3,980
Andalusite from Sri Lanka 0.408ct loose
Sale price¥3,980
Andalusite from Sri Lanka 0.361ct loose
Sale price¥3,980
Pink tourmaline cat's eye 5.460ct loose
Sale price¥8,800
Bicolor tourmaline 6.40ct loose
Sale price¥7,980
Brazilian Paraiba tourmaline 0.229ct loose (CuO:0.8%, MnO:2.2%)
Sale price¥39,800
![[Available at 10 PM on August 3rd] Montana Sapphire 2.8mm/0.098ct Loose Stone (Yellow)](http://store.karatz.jp/cdn/shop/files/P2240964.jpg?v=1754194546&width=3198)
![[Available at 10 PM on August 3rd] Montana Sapphire 2.5mm/0.071ct Loose Stone (Yellow)](http://store.karatz.jp/cdn/shop/files/P2240936_1_780a67cf-9d27-4ec7-8040-71643ad8ba56.jpg?v=1754194279&width=2572)
Ruby 0.182ct loose
Sale price¥5,980
Ruby 0.209ct loose
Sale price¥5,980
Pink sapphire from Greenland 4.3mm/0.465ct loose with certificate
Sale price¥6,980
Ice ruby (pink sapphire) from Greenland 0.416ct loose with certificate
Sale price¥18,800
Pink sapphire from Greenland 0.754ct loose with certificate
Sale price¥25,800
Pink sapphire from Greenland 0.336ct loose with certificate
Sale price¥9,800
Ruby from Greenland 0.268ct loose with certificate
Sale price¥18,800
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.