Medusa Quartz (Paraiba Quartz) 1.666ct loose
Sale price¥22,800
Tanzanian Kornerupine Cat's Eye 0.986ct Loose Stone
Sale price¥6,980
Tanzanite 5mm/0.580ct loose stone (sugarloaf cut)
Sale price¥9,800
Bicolor tourmaline 0.548ct loose
Sale price¥6,980
Lepidocrocite in Quartz 0.382ct Loose
Sale price¥6,980
Moss agate 0.720ct loose stone
Sale price¥7,980
Brazilian Medusa Quartz (Paraiba Quartz) 1.241ct Loose Stone
Sale price¥6,980
Aventurine aquamarine 0.774ct loose
Sale price¥8,800
Pink spinel 0.969ct loose
Sale price¥9,800
Pink tourmaline 0.795ct loose
Sale price¥9,800
Pink tourmaline 0.466ct loose
Sale price¥8,800
Moss Agate 1.056ct loose
Sale price¥9,800
Moss Agate 0.771ct loose
Sale price¥6,980
Bicolor tourmaline 1.329ct loose
Sale price¥9,800
Pink tourmaline 0.539ct loose stone (heart shape)
Sale price¥12,800
Ethiopian Opal 0.294ct Loose (Heart Shape, Faceted Cut)
Sale price¥6,980
American Herkimer Diamond (Rock Crystal) 5.5mm/0.534ct Loose
Sale price¥8,800
American Herkimer Diamond (Rock Crystal) 5.3mm/0.594ct Loose
Sale price¥8,800
Tanzanian Kornerupine Cat's Eye 1.539ct Loose Stone
Sale price¥9,800
Brazilian Paraiba tourmaline in quartz 0.819ct loose
Sale price¥15,800
Australian Rainbow Lattice Sunstone 0.865ct Loose
Sale price¥6,980
Pink spinel 5.2mm/0.517ct loose stone
Sale price¥6,980
Pink spinel 5.2mm/0.573ct loose stone
Sale price¥6,580
【12/25 22時販売】コロンビア産エメラルドキャッツアイ 0.959ctルース
Sale price¥45,800
【12/25 22時販売】コロンビア産エメラルドキャッツアイ 1.121ctルース
Sale price¥49,800
![[On Sale at 10 PM on December 7th] Rainbow Garnet (Andradite Garnet) 5.4mm/0.771ct Loose Stone from Tenkawa Village, Nara Prefecture](http://store.karatz.jp/cdn/shop/files/PC042513.jpg?v=1765589719&width=4000)
![[12/13 22:00 Sale] Tanzanite from Tanzania 0.436ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC052723_f3d01ab6-8f8c-4558-a15e-96c2758ed7b1.jpg?v=1765587394&width=2909)
[12/13 22:00 Sale] Tanzanite from Tanzania 0.436ct Loose Stone
Sale price¥8,800
![[12/22 22:00] Australian Black Opal 0.623ct Loose](http://store.karatz.jp/cdn/shop/files/PC104792_b012bb72-9a2e-4edc-9073-945d6e29acd1.jpg?v=1766288265&width=3223)
![[Sakura In-Cut] Sapphire from Ratnapura, Sri Lanka, 6.0mm/0.839ct Loose](http://store.karatz.jp/cdn/shop/files/collage_7ab487c3-3173-4149-b4c1-85a3f2bef3bb.png?v=1760166578&width=2250)
[Sakura In-Cut] Sapphire from Ratnapura, Sri Lanka, 6.0mm/0.839ct Loose
Sale price¥59,800
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.