Zircon 0.416ct loose
Sale price¥4,980
Zircon 0.194ct loose
Sale price¥2,980
Chrysoberyl cat's eye 2.283ct loose
Sale price¥22,800
Colombian emerald cat's eye 0.110ct loose
Sale price¥12,800
Paraiba tourmaline from Mozambique 0.229ct loose
Sale price¥12,800
Blue zircon 2.483ct loose
Sale price¥9,800
Cornell pin from Tanzania 0.523ct loose
Sale price¥9,800
[Rouge cut] Almandine garnet 2.090ct loose
Sale price¥12,800
[Rouge cut] Almandine garnet 2.076ct loose
Sale price¥12,800
[Sakura Incut] Goshenite 9mm/2.142ct loose with patch
Sale price¥39,800
[Camellia cut] Opal 14mm/5.283ct loose with patch
Sale price¥98,000
Australian opal 0.286ct loose
Sale price¥6,980
Pink tourmaline 0.394ct loose
Sale price¥8,800
Blue zircon 0.397ct loose stone
Sale price¥7,980
Blue zircon 0.322ct loose stone
Sale price¥6,980
Pink sapphire 0.225ct loose
Sale price¥6,980
Tanzanite 0.449ct loose
Sale price¥6,980
Oregon Sunstone 0.976ct loose
Sale price¥19,800
Rhodolite garnet 0.990ct loose
Sale price¥5,980
Amazon green opal 1.120ct loose
Sale price¥5,980
Synthetic rutile 5mm/0.553ct loose stone
Sale price¥15,800
Synthetic rutile 5.8mm/0.904ct loose stone
Sale price¥15,800
Strontium titanate 5mm/0.688ct loose stone
Sale price¥15,800
Strontium titanate 4.2mm/0.410ct loose stone
Sale price¥12,800
YAG (Yttrium Aluminum Garnet) 7mm/1.775ct Loose Stone
Sale price¥12,800
Dioptase from Namibia 0.229ct loose Japanese-German book
Sale price¥79,800
Paraiba tourmaline from Mozambique 0.388ct loose
Sale price¥24,800
Paraiba tourmaline from Mozambique 0.272ct loose
Sale price¥15,800
Paraiba tourmaline from Mozambique 0.596ct loose
Sale price¥29,800
Paraiba tourmaline from Mozambique 0.273ct loose
Sale price¥18,800
Paraiba tourmaline from Mozambique 0.228ct loose
Sale price¥12,800
Bicolor Andesine 6mm/0.756ct loose
Sale price¥15,800
Color change Andesine 6mm/0.753ct loose
Sale price¥15,800
Bicolor Andesine 6mm/0.691ct loose
Sale price¥15,800
Pink spinel 0.409ct loose
Sale price¥8,800
Brazilian Rhodonite 2.126ct Ruth Japanese-German Edition
Sale price¥88,800
Paraiba Tourmaline from Mozambique 2.037ct loose stone with gem analysis
Sale price¥598,000
![[Available on Saturday, August 16th at 10 PM] "PSYCHO-PASS" x KARATZ Collaboration Jewelry: Public Safety Bureau Criminal Investigation Division Device-Inspired Ring - Enforcer Design [Kogami Shinya Model] "Blue Spinel"](http://store.karatz.jp/cdn/shop/files/ca55ad9a7680a3c3acf9653316704dc3.png?v=1747953942&width=3519)
Unheated Burmese pink spinel 1.430ct loose AIGS
Sale price¥188,000
Bicolor Andesine 6mm/0.852ct loose (color shift)
Sale price¥18,800
Bicolor Andesine 6mm/0.824ct loose (color shift)
Sale price¥18,800
Bicolor Andesine 6mm/0.699ct loose (color shift)
Sale price¥18,800
Bicolor Andesine 6mm/0.783ct loose (color shift)
Sale price¥18,800
Australian boulder opal 3.695ct loose
Sale price¥15,800
Australian boulder opal 1.552ct loose
Sale price¥12,800
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.