Australian boulder opal 3.695ct loose
Sale price¥14,800
Australian boulder opal 2.470ct loose
Sale price¥7,980
Dioptase from Namibia 3.3mm/0.162ct loose Japanese-German edition
Sale price¥79,800
Pink tourmaline 0.516ct loose
Sale price¥5,980
Sri Lankan star sapphire 2.094ct loose
Sale price¥12,800
American red beryl 2.9mm/0.094ct loose
Sale price¥29,800
![[On sale 12/6 at 10 PM] Limited to 20 gems! Includes 6 red gemstones, including pigeon blood ruby rubies with AGL certificates. Discounts available for multiple purchases.](http://store.karatz.jp/cdn/shop/files/collage_0b9786a4-664f-4d99-9deb-10599da89b70.png?v=1764569831&width=2250)
![[Available at 10 PM on November 24th] Limited Edition (12 stones) VS Equivalent Fluorescent Diamond Gacha with Bonus Mini Slice Diamond (Multiple Purchase Discounts Available)](http://store.karatz.jp/cdn/shop/files/collage_965e8bbc-496a-4aa0-83f4-97a96ea2d155.png?v=1763891564&width=2250)
[On Sale 11/23 10pm] 4.678ct Oregon Sunstone Loose Stone from the USA
Sale price¥69,800
![[Sales start at 10 PM on Friday, December 12th] TV anime "Date A Live V" x KARATZ collaboration jewelry acrylic stand (4 types)](http://store.karatz.jp/cdn/shop/files/4_4d3ad2f0-0811-4598-a8ee-e35166a7c980.png?v=1763522145&width=4000)
![[Sales start on Friday, August 8th at 22:00] TV anime "Date A Live V" x KARATZ collaboration foil-stamped glitter can badges](http://store.karatz.jp/cdn/shop/files/3_3ea672e6-d063-40db-a6b5-12cf3eda8dcf.png?v=1763519883&width=4000)
![[Sales start at 10 PM on Friday, December 12th] TV anime "Tokyo Ghoul" x KARATZ collaboration second edition: Newly illustrated acrylic plates (made to order)](http://store.karatz.jp/cdn/shop/files/ec9e161797228ad9e2870c836c8a49a5_dd3f6f59-425c-435c-b5f2-70746096cae2.jpg?v=1763526590&width=4500)
![[Sales start at 10 PM on Friday, December 12th] TV anime "Tokyo Ghoul" x KARATZ collaboration second edition: Newly illustrated merchandise featuring random hard cards (12 designs total)](http://store.karatz.jp/cdn/shop/files/fea598b1fb998db481d66b134bfc83d6_03062a1c-1a59-4692-8869-72ccec80ee2c.jpg?v=1763526517&width=4500)
![[Sales start at 10 PM on Friday, December 12th] TV anime "Tokyo Ghoul" x KARATZ collaboration second edition: Newly illustrated clear postcard set](http://store.karatz.jp/cdn/shop/files/1e59a71851af73d7ce3f098a72d4979e_1f34e380-e614-452c-b773-7455a8e74e09.jpg?v=1763527264&width=4500)
![[Sales start at 10 PM on Friday, December 12th] TV anime "Tokyo Ghoul" x KARATZ collaboration second edition: Newly illustrated merchandise featuring 3 acrylic keychains (2 types total)](http://store.karatz.jp/cdn/shop/files/3_b7c319f9-3a92-4613-9df2-aa13fde37aba.jpg?v=1763526380&width=4500)
![[Sales start at 10 PM on Friday, December 12th] TV anime "Tokyo Ghoul" x KARATZ collaboration second edition: Newly illustrated glitter tin badges (2 types)](http://store.karatz.jp/cdn/shop/files/5efb58aaf728cd8fac93f9138168615d_d0ec1755-2f03-4a69-9228-f89867346aa2.jpg?v=1763525695&width=4500)
Bicolor Andesine 6mm/0.852ct loose (color shift)
Sale price¥12,800
Bicolor Andesine 6mm/0.824ct loose (color shift)
Sale price¥12,800
Bicolor Andesine 6mm/0.699ct loose (color shift)
Sale price¥12,800
Bicolor Andesine 6mm/0.783ct loose (color shift)
Sale price¥12,800
Sri Lankan star sapphire 1.487ct loose
Sale price¥8,800
Aventurine Aquamarine Cat's Eye 1.567ct Loose
Sale price¥4,980
Scapolite Cat's Eye 9.733ct Loose
Sale price¥6,980
Quartz 96.732ct loose (explosion crystal)
Sale price¥2,980
Hemimorphite 34.490ct loose
Sale price¥55,800
Colombian pyrite in emerald 4.592ct loose
Sale price¥110,000
Green sapphire 0.518ct loose (teal green)
Sale price¥8,800
Color change sapphire 0.946ct loose
Sale price¥29,800
Paraiba tourmaline from Mozambique 0.243ct loose
Sale price¥15,800
Unheated silky pink sapphire from Vietnam 0.426ct loose
Sale price¥9,800
Baddeleyite from Myanmar 0.279ct Ruth Japanese German edition
Sale price¥15,800
Montana Sapphire 3mm/0.155ct loose
Sale price¥18,800
Benitoite 0.091ct loose
Sale price¥22,800
[12545123 published] Yellow Beryl 0.696ct loose
Sale price¥3,980
Felspar 2.993ct loose from Sri Lanka
Sale price¥6,980
Colombian trapiche emerald (reverse trapiche) 0.152ct loose
Sale price¥12,800
Colombian trapiche emerald (reverse trapiche) 0.099ct loose
Sale price¥8,800
Colombian trapiche emerald (reverse trapiche) 0.074ct loose
Sale price¥8,800
Colombian trapiche emerald (reverse trapiche) 0.108ct loose
Sale price¥9,800
Colombian trapiche emerald (reverse trapiche) 0.084ct loose
Sale price¥8,800
Colombian trapiche emerald (reverse trapiche) 0.144ct loose
Sale price¥15,800
[On Sale 11/29 10pm] Greenland Ruby 0.253ct Loose Stone with Certificate
Sale price¥49,800
[On Sale 11/29 10pm] Greenland Ruby 0.266ct Loose Stone with Certificate
Sale price¥22,800
[12/2 22:00] Greenland Sapphire 0.133ct Loose Stone with Certificate
Sale price¥14,800
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.