Ethiopian Opal 5.7mm/0.878ct Loose (Sphere)
Sale price¥6,980
Synthetic Moissanite 8.679ct loose stone
Sale price¥29,800
Paraiba tourmaline from Brazil 0.071ct loose
Sale price¥19,800
[Cat cut] Brazilian dendritic agate 0.774ct loose stone
Sale price¥6,980
Madagascar sphene 0.838ct loose stone
Sale price¥9,800
Madagascar sphene 0.569ct loose stone
Sale price¥6,980
Greenland sapphire 0.592ct loose stone
Sale price¥18,800
Almandine Garnet 0.814ct Loose Stone
Sale price¥7,980
Almandine Garnet 1.049ct Loose Stone
Sale price¥9,800
Myanmar Star Spinel 2.030ct Loose
Sale price¥69,800
Mozambique pink spinel 0.670ct loose stone
Sale price¥22,800
Sri Lankan Star Sapphire 6.477ct Loose
Sale price¥49,800
Sri Lankan Star Sapphire 7.111ct Loose
Sale price¥59,800
Colombian pyrite emerald 3.817ct loose stone
Sale price¥59,800
0.165ct Unheated Silky Pink Sapphire from Vietnam
Sale price¥5,980
Romanesite in Quartz 4.825ct loose stone
Sale price¥9,800
Tanzanian Chrome Tourmaline 0.760ct Loose Stone
Sale price¥5,980
American red beryl 0.160ct loose
Sale price¥89,800
Mozambique Aquamarine 0.216ct Loose Stone
Sale price¥6,980
American Peridot 0.339ct Loose Stone
Sale price¥6,980
American Peridot 0.528ct Loose Stone
Sale price¥8,800
Aquamarine 0.327ct loose stone
Sale price¥9,800
Yellow sapphire 0.287ct loose stone
Sale price¥8,800
Pink sapphire 0.202ct loose stone
Sale price¥8,800
Mexican Opal 9.6mm/1.803ct Loose (Contralus Opal)
Sale price¥49,800
[Koshu Precious Stones plusthree] Citrine 5.121ct Loose
Sale price¥35,800
Unheated Mozambique Ruby 2.7mm/0.135ct Loose
Sale price¥19,800
Afghanite from Afghanistan 0.617ct loose stone
Sale price¥69,800
Colombian Trapiche emerald 0.418ct rough stone
Sale price¥39,800
[COLORFUL] Pt900 Diamond 1.00ct Pendant (Necklace)
Sale price¥49,800
![[On sale May 23rd, 10 PM] "Limited 7 Stones" Kochi Prefecture Blood Coral Loose Gemstones (Oval Cut, 4x6~7mm) "Multi-purchase discount available"](http://store.karatz.jp/cdn/shop/files/P5210043_c0fa32b1-c95e-4019-8fc7-8a9735d549cd.jpg?v=1779352430&width=4000)
![[Sale starts May 24th, 10 PM JST] 9 Limited Edition Kochi Prefecture Red Coral Branches (Rough) (1 Piece) (March Birthstone, Coral, average 6.5ct) (Multiple purchase discount available)](http://store.karatz.jp/cdn/shop/files/P5210045.jpg?v=1779351573&width=4000)
![[On sale May 28th at 10 PM] "Bungo to Alchemist" x KARATZ Collaboration Jewelry Vol. 4: Bungo Ring [Takiji Kobayashi Model Ring]](http://store.karatz.jp/cdn/shop/files/bungou_pt4_bnr_03c_1080x1080_3452dba7-b9d7-4d95-805d-90a51ce343fa.jpg?v=1779787564&width=1080)
![[On Sale 5/28 10PM] Bungo and Alchemist x KARATZ Collaboration Jewelry - Vol. 4: Bungo Ring [Sakaguchi Ango Model Ring]](http://store.karatz.jp/cdn/shop/files/bungou_pt4_bnr_03b_1080x1080_0583a7bf-27be-4ac0-b5cf-9654b94847b7.jpg?v=1779787573&width=1080)
![[On Sale May 28th at 10 PM] "Bungo and Alchemist" x KARATZ Collaboration Jewelry: Vol. 4 - Bungo Ring [Chuya Nakahara Model Ring]](http://store.karatz.jp/cdn/shop/files/bungou_pt4_bnr_03a_1080x1080_188850d0-864d-433e-aee2-4c42cc37704d.jpg?v=1779787581&width=1080)
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.