Brazilian Medusa Quartz (Paraiba Quartz) 3.441ct loose
Sale price¥3,980
Brazilian Medusa Quartz (Paraiba Quartz) 2.757ct loose
Sale price¥3,980
Chrome tourmaline 0.300ct loose stone
Sale price¥2,980
Sri Lankan Goethite Into Topaz 3.200ct loose
Sale price¥4,980
![[12/12 10 PM Sale] Limited to 15 stones! Includes a rare UNEVEN Fancy color gemstone (normally ¥39,800) and a 0.428ct Fancy color gemstone (¥69,800). Get one loose yellow diamond! Discounts available for multiple purchases.](http://store.karatz.jp/cdn/shop/files/2_1a4a844a-6404-4d6d-a755-05756d00b804.png?v=1765352749&width=2000)
![[12/12-12/25 Shinjuku Marui Annex] Silver Chain 0.7mm [40cm]](http://store.karatz.jp/cdn/shop/files/SV925_chain_0.7_1.jpg?v=1710467573&width=4000)
[12/12-12/25 Shinjuku Marui Annex] Silver Chain 0.7mm [40cm]
Sale price¥1,780
Zircon 0.416ct loose
Sale price¥3,980
![[On sale 12/6 at 10 PM] {Limited to 13 stones} Loose Spinel Gacha Stones, Including Sakura In-Cut and Dandelion Cut {Multiple purchase discounts available}](http://store.karatz.jp/cdn/shop/files/collage_55b17613-2e3d-4703-b90b-eba1d26ac012.png?v=1765006848&width=2250)
![[Available at 10 PM on December 6th] Limited Quantity! Guess what you'll receive! Gacha Set of 2 Rough and Loose Stones (Rare Stones Included) [Multiple Purchase Discounts Available]](http://store.karatz.jp/cdn/shop/files/collage01_63a36d88-4b0c-4580-a52a-34d0de302821.png?v=1764984693&width=2250)
Myanmar trapichel ruby 0.179ct rough stone
Sale price¥3,980
![[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)
Aventurine Aquamarine Cat's Eye 1.567ct Loose
Sale price¥4,980
Quartz 96.732ct loose (explosion crystal)
Sale price¥2,980
[12545123 published] Yellow Beryl 0.696ct loose
Sale price¥3,980
![[On sale at 10 PM on November 15th] Limited to 9 stones: One rough petalite stone from Myanmar (average 6.0 carats) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/PB130145.jpg?v=1763171751&width=4000)
![[On sale November 15th at 10 PM] [Limited to 7 stones] One loose colorless apatite from Madagascar (all stones come with a certificate of authenticity, average 0.60 carat) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/PB130098_64bd5f6d-3d76-4a2e-aa75-fb4deecc1091.jpg?v=1763171530&width=4000)
![[Available at 10 PM on November 15th] Limited Quantity: Single Rough Neon Blue Apatite from Madagascar (Average 2.2 carats) [Multiple Purchase Discounts Available]](http://store.karatz.jp/cdn/shop/files/PB130064.jpg?v=1763170621&width=4000)
![[Sales start at 10:00 PM on Friday, December 12th] "Initial D" x KARATZ 30th Anniversary Collaboration Trading Square Can Badges](http://store.karatz.jp/cdn/shop/files/9_3dbe3a67-61a5-46c0-bd17-10b8d8212fd2.png?v=1763357702&width=2000)
![[Sales start at 10:00 PM on Friday, December 12th] "Initial D" x KARATZ 30th Anniversary Collaboration Acrylic Coaster](http://store.karatz.jp/cdn/shop/files/1_9a07a62e-fffd-4ea6-a665-7d1fcbdf56f3.png?v=1763357517&width=2000)
![[Sales start at 10:00 PM on Friday, December 12th] "Initial D" x KARATZ 30th Anniversary Collaboration Acrylic Keychain](http://store.karatz.jp/cdn/shop/files/20_a72184f7-e187-4d05-8f2d-3295aeb9b319.png?v=1763367026&width=4000)
![[Sales start at 10:00 PM on Friday, December 12th] "Initial D" x KARATZ 30th Anniversary Collaboration Acrylic Stand](http://store.karatz.jp/cdn/shop/files/D_8105a777-1082-46dc-a6ef-a4df6713e91b.png?v=1764550386&width=4000)
Felspar 1.478ct loose from Sri Lanka
Sale price¥3,980
Synthetic Moissanite 0.632ct loose stone (tie cut)
Sale price¥3,980
Synthetic Moissanite 0.509ct loose stone (tie cut)
Sale price¥3,980
Spanish Andalusite 0.317ct loose stone
Sale price¥3,980
Andalusite 0.293ct loose stone
Sale price¥3,980
Andalusite 0.192ct loose stone
Sale price¥2,980
Madeira Citrine 7mm/0.938ct loose
Sale price¥3,980
![[Available at 10 PM on November 8th] [Limited to 3 stones] Indian Andesine Labradorite (Rainbow Moonstone) Flower Carving, 6mm, 1 stone [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010023.jpg?v=1755868377&width=4000)
![[On sale November 8th at 10pm] Limited to 4 stones: Carving Gacha (pink tourmaline, average 3.4 carats) 1 loose stone [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_6903d02a-b1e6-4076-9d6a-36218d0edbf1.png?v=1762565599&width=2250)
![[On sale November 8th at 10pm] Limited to 9 stones: Carving Gacha (Opal, Tourmaline, Tsavorite Garnet) 1 loose stone [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_3c1f4b82-5dc0-4183-a4c0-c9d7900fd6ab.png?v=1762565061&width=2250)
Yellow sapphire from Madagascar 0.181ct loose
Sale price¥4,980
Spinel from Sri Lanka 0.276ct loose
Sale price¥2,980
![Limited to 8 stones: Colombian mango quartz (up to 60 carats, average 21.6 carats) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/PA300162_a9e8f9be-8438-4ac9-b9c4-ab6cf29f7bbd.jpg?v=1762053108&width=4000)
![[Sales end on Sunday, August 31st] TV anime "A long time ago, magical girls and evil were enemies." x KARATZ collaboration acrylic coaster featuring newly drawn illustrations](http://store.karatz.jp/cdn/shop/files/b575e39cbe27d546997decf28401c292.jpg?v=1761635410&width=4500)
![[On sale November 1st at 10 PM] [Limited to 12 stones] Brazilian Indigolite Tourmaline Gacha Loose Stone (4x3mm, Oval Cut) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/PA230072.jpg?v=1761804822&width=4000)
Sri Lankan star sapphire 1.323ct loose
Sale price¥3,980
Sri Lankan star sapphire 1.061ct loose
Sale price¥3,980
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.