American Peridot 0.969ct Loose Stone
Sale price¥25,800
0.939 ct Loose Imperial Topaz from Brazil with Certificate
Sale price¥29,800
Pakistani oil-in quartz 0.535ct loose
Sale price¥14,800
Cassiterite 4.0mm/0.571ct Loose Stone with Certificate of Authenticity
Sale price¥14,800
Sri Lankan Bicolor Sapphire 0.607ct Loose Stone
Sale price¥15,800
Tanzanite from Tanzania 0.730ct loose stone
Sale price¥29,800
Brazilian Santa Maria Aquamarine 0.524ct Loose Stone
Sale price¥55,800
Oregon Sunstone from the United States, 5.0mm/0.520ct loose stone
Sale price¥15,800
American Peridot 0.770ct Loose Stone
Sale price¥12,800
Australian black opal 0.758ct loose stone
Sale price¥18,800
Tanzanite from Tanzania 0.680ct loose stone
Sale price¥15,800
Sri Lankan bicolor sapphire 0.586ct loose stone
Sale price¥39,800
Cambodian Blue Zircon 0.609ct Loose
Sale price¥5,980
Synthetic rutile 5mm/0.553ct loose stone
Sale price¥12,800
Synthetic rutile 5.8mm/0.904ct loose stone
Sale price¥12,800
0.604ct rough diamond
Sale price¥12,800
Mozambique Ruby 0.544ct Loose Stone with Certificate of Authenticity
Sale price¥39,800
Brazilian Blue Tourmaline 0.827ct Loose Stone
Sale price¥19,800
Diaspore from Türkiye 0.636ct loose
Sale price¥9,800
Tourmaline cat's eye 0.910ct loose
Sale price¥4,980
American Peridot 5.1mm/0.573ct Loose Stone
Sale price¥9,800
Brazilian Yellow Beryl 0.913ct Loose Stone
Sale price¥8,800
![[12/9 22:00] Brazilian Lavender Quartz (Scorolite) 0.994ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC043009.jpg?v=1765631801&width=4000)
![[On Sale at 10 PM on December 9th] American Peridot 0.855ct Loose Stone (Lily Pad Inclusions)](http://store.karatz.jp/cdn/shop/files/PC042970.jpg?v=1765631710&width=4000)
![[12/10 22:00 Sale] Indian Moonstone 6.1mm/0.878ct Loose Stone (Rose Cut)](http://store.karatz.jp/cdn/shop/files/PC032133_305a91c4-6921-466f-b86b-6196b85216e3.jpg?v=1765630124&width=4000)
Synthetic Opal 0.856ct Loose (Synthetic Water Opal)
Sale price¥8,800
Brazilian green tourmaline 0.821ct loose stone
Sale price¥12,800
Bicolor Zoisite 0.581ct loose
Sale price¥12,800
![[Dandelion Cut] Tibetan Andesine 6.0mm/0.814ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC240615_8941520b-68ce-408a-ac57-bc605f73788e.jpg?v=1767355120&width=3231)
[Dandelion Cut] Tibetan Andesine 6.0mm/0.814ct Loose Stone
Sale price¥49,800
![[Sakura In-Cut] Mongolian Color Change Andesine 6.0mm/0.655ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC240511_999dac6d-5929-47d3-bac6-fb5d3f71b923.jpg?v=1767309485&width=3249)
Madagascar sphene 6.0mm/0.868ct loose stone
Sale price¥49,800
Mozambique ruby 0.537ct loose stone
Sale price¥15,800
Kenyan Tsavorite 0.806ct Loose Stone
Sale price¥39,800
Bicolor grossular garnet 0.782ct loose
Sale price¥12,800
Myanmar star diopside 0.898ct loose
Sale price¥12,800
Strontium titanate 5mm/0.688ct loose stone
Sale price¥12,800
Green sapphire 0.607ct loose stone
Sale price¥12,800
Sri Lankan Golden Sapphire 0.649ct Loose
Sale price¥29,800
Synthetic sapphire 0.879ct loose stone (synthetic blue sapphire)
Sale price¥14,800
Cornell pin from Tanzania 0.523ct loose
Sale price¥7,980
Oregon Sunstone 0.976ct loose
Sale price¥18,800
Bicolor Andesine 6mm/0.756ct loose
Sale price¥12,800
Pink tourmaline 0.516ct loose
Sale price¥5,980
Bicolor Andesine 6mm/0.852ct loose (color shift)
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.
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.