![[On Sale at 10 PM on September 23rd] Tanzanian Dragon Garnet 0.710ct Loose Stone](http://store.karatz.jp/cdn/shop/files/collage_a72ea439-39c0-4401-b271-0ec12707517d.png?v=1758452865&width=2250)
Red spinel 0.195ct loose
Sale price¥5,980
Brazilian particolor Paraiba tourmaline 0.26ct loose GIA
Sale price¥598,000
Montebrasite from Madagascar 0.328ct loose
Sale price¥3,980
Myanmar Purple Spinel 0.872ct Loose Stone
Sale price¥8,800
YAG (yttrium aluminum garnet) 1.792ct loose
Sale price¥12,800
YAG (Yttrium Aluminum Garnet) 6.5mm/1.774ct loose stone
Sale price¥12,800
Brazilian Paraiba tourmaline 0.226ct loose (CuO:0.7%, MnO:2.5%)
Sale price¥39,800
Bicolor pink star sapphire from Mogok 0.360ct loose
Sale price¥24,800
Pt950 Benitoite 0.10ct Aquamarine Blue Diamond Ring
Sale price¥89,800
Bicolor pink euclase from Brazil 3.210ct loose Japanese-German edition
Sale price¥798,000
Bicolor tourmaline 0.591ct loose (rose cut)
Sale price¥8,980
Bicolor tourmaline 0.435ct loose (rose cut)
Sale price¥5,980
Pink tourmaline 0.482ct loose stone
Sale price¥5,980
[12549429] Blue sapphire 0.862ct loose stone
Sale price¥25,800
[12554117] Brazilian Alexandrite 0.058ct loose stone
Sale price¥14,800
[On sale at 10pm on September 20th] German Auchenite 0.097ct Loose Stone
Sale price¥39,800
[On sale at 10pm on September 20th] Indian Moonstone 2.415ct Loose
Sale price¥15,800
[On sale at 10pm on September 20th] Tibetan Andesine 0.967ct Loose Stone
Sale price¥15,800
![[On Sale at 10 PM on September 25th] Spanish Sphalerite 5.6mm/0.896ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P9183758_68dd81cc-5d6c-4769-a833-7fe27f1c0065.jpg?v=1758588963&width=2855)
Zircon 0.848ct loose stone
Sale price¥8,800
1.008ct Tanzanian orange zircon loose stone
Sale price¥9,800
UV opal from Hokkaido 12.259ct loose with patch
Sale price¥6,980
Tagtupite from Greenland 0.477ct loose
Sale price¥9,800
Pink star sapphire 0.619ct loose
Sale price¥5,980
Brazilian Andalusite 0.557ct loose
Sale price¥2,980
Brazilian Andalusite 0.634ct loose
Sale price¥3,980
Brazilian Andalusite 0.608ct loose
Sale price¥3,980
Ekanite from Sri Lanka 1.430ct loose
Sale price¥29,800
Silky pink spinel from Mozambique 0.610ct loose
Sale price¥18,800
Bicolor star sapphire from Myanmar 1.190ct loose (pink sapphire)
Sale price¥25,800
Sierra Leone sapphire 1.210ct 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.
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.