![[On sale 6/6 at 10 PM] Limited to 6 Stones: Needle-Inclusion Blue Topaz Loose Stone (Avg. 16ct) - Multiple Purchase Discount Available](http://store.karatz.jp/cdn/shop/files/38.png?v=1780477251&width=1890)
![[On Sale June 6th, 10 PM JST] 11-Piece Limited Edition Madagascar Sapphire Gacha (Including bi-color and silky varieties, 3.5-5.4mm) [Multi-buy discount available]](http://store.karatz.jp/cdn/shop/files/P1010258_f7dc9e7a-ba96-4f16-b0cc-3597b42b15e9.jpg?v=1780475574&width=4000)
![[On Sale June 7th, 10 PM] Limited to 15 Stones: Afghan Pink Diaspore Single Stone Loose Gemstone (Avg. 0.3ct) - Multiple Purchase Discount Available](http://store.karatz.jp/cdn/shop/files/P1010212_0cf98850-1eef-4062-9357-fd4c24ff6ff7.jpg?v=1780475062&width=4000)
![[On Sale June 6th]《Limited to 9 Stones》Brazilian Amethyst Single Stone Loose (Includes Elestial and Bi-Color Amethyst)《Bulk Purchase Discount Available》](http://store.karatz.jp/cdn/shop/files/P1010178_2ed6b7e4-2260-4141-b297-92d488154d96.jpg?v=1780474262&width=4000)
![[Sales start 6/6 10 PM] Mini bottle keychain filled with natural stones (choose from 11 colors) (bulk purchase discount available)](http://store.karatz.jp/cdn/shop/files/1080x1080px_1.png?v=1780625894&width=1080)
Amethyst 4.249ct rough stone
Sale price¥4,980
![[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)
![[On Sale May 29, 10 PM JST] 《Limited 13 Stones》Yellow Diamond Gacha, win a VVS-2/4.3mm/with Sorting Report worth 39,800 yen (regular price) 💎《Multiple Purchase Discount Available》](http://store.karatz.jp/cdn/shop/files/34.png?v=1779067923&width=1890)
![[On sale May 24th, 10 PM JST] 💎 Diamond Gacha with Appraisal Certificate! Get D/VS-1/3.4mm or I/VS-1/3.7mm diamonds, normally 29,800 yen! Limited to 15 stones. (Multiple purchase discount available)](http://store.karatz.jp/cdn/shop/files/33.png?v=1779065096&width=1512)
![[On sale May 22, 10 PM JST] "Limited to 11 Stones" Andalusite from Madagascar (cut by Mr. Sanje) Gacha - Average 0.40ct "Multiple Purchase Discount Available"](http://store.karatz.jp/cdn/shop/files/P5150115.jpg?v=1778976029&width=4000)
Tanzanian Chrome Tourmaline 0.522ct Loose Stone
Sale price¥3,980
![[On sale May 16th at 10 PM JST] 《Limited 20 stones》Big Gem Gacha 💎 Win a 19ct up Shimizu Kisaki Co. Camellia cut gem 《Multiple purchase discount available》](http://store.karatz.jp/cdn/shop/files/29_3ffd0a54-a2f0-4da2-8c96-7e3b49f7f4f6.png?v=1778380623&width=1890)
![[On sale May 10th, 10 PM JST] 6 Limited Pieces - Brazilian Mica in Rose Quartz (One stone), Multiple Purchase Discount Available](http://store.karatz.jp/cdn/shop/files/P5070688.jpg?v=1778245850&width=4000)
![[On sale May 10th at 10 PM] "Limited 11 Stones" Brazilian Mica in Rose Quartz (1 stone) "Multiple purchase discount available"](http://store.karatz.jp/cdn/shop/files/P5070637.jpg?v=1778245542&width=4000)
![[On Sale 5/6 10 PM] Limited to 10 Stones: Scapolite Gacha Featuring Koshu Kiseki Kiriko Plusthree "Akatsuki" (Normally ¥45,800) with a Chance to Win! [Multiple Purchase Discount Available]](http://store.karatz.jp/cdn/shop/files/23_596d653f-d2ac-4e7d-bfea-4e8c2985078a.png?v=1777606488&width=1890)
![[On sale May 4th at 10 PM] "Limited to 11 Gems" Rouge Cut & Heart Shape Gemstone Gacha for ¥18,800! 💎 Almandine Garnet, Pink Tourmaline, Scolecite, Sapphire. "Multiple Purchase Discount Available"](http://store.karatz.jp/cdn/shop/files/22_c08b10af-9494-4ce9-8e59-7047cbe3cc33.png?v=1777603740&width=4000)
![[Sale on May 4 at 10 PM JST] 12 Limited Pieces: Topaz Gacha (including Imperial Topaz) to win a Koshu Kiseki Kiriko plusthree "Akatsuki" (usually 35,800 yen) - Multiple Purchase Discount Available](http://store.karatz.jp/cdn/shop/files/collage_4dc08ebc-7ae7-4e78-8a7c-db77db9e24a3.png?v=1777622176&width=2250)
![[May 3, 10 PM JST Release] Dendritic Agate (Dendritic Quartz) Gacha - 1 Stone Loose Piece "Tucson New Arrivals / Limited 7 Stones" (Multi-Purchase Discount Available)](http://store.karatz.jp/cdn/shop/files/collage_a21961d5-944b-44ca-b713-5888dd00b791.png?v=1777552169&width=2250)
![[On sale May 3, 10 PM JST] "Remaining 2 Stones" Garnet Gacha by American Cutter KEN (Round Cut, 2.5mm) "Multi-Purchase Discount Available"](http://store.karatz.jp/cdn/shop/files/P1010082_5eb2bba9-197a-4b57-ac46-572d82ed5f81.jpg?v=1777522581&width=4000)
![[On sale May 4th at 10 PM] Limited to 12 Stones - Loose Sri Lankan Star Sapphire (1 Stone) - Multiple Purchase Discount Available](http://store.karatz.jp/cdn/shop/files/P1010018_ab780077-1e90-4498-8d90-d376bf99bd64.jpg?v=1777520184&width=4000)
![[On Sale May 2, 10 PM JST] 7 Limited Pieces - Mexican Opal, Max. 11ct (Includes items with minor flaws) - Multiple Purchase Discount Available](http://store.karatz.jp/cdn/shop/files/P1010481_db517dff-caf5-40cf-b8d1-e5c10273ddf0.jpg?v=1771719722&width=4000)
![[Available at 10 PM on February 2nd] Limited to 13 stones. Newly arrived in Tucson: Brazilian Dumortierite in Quartz, 1.1 carats average cabochon cut. Discounts available for multiple purchases.](http://store.karatz.jp/cdn/shop/files/P1011060.jpg?v=1771552232&width=4000)
[Sale on 5/5 at 10 PM] Brazilian Dendritic Agate 7.063ct Loose Stone
Sale price¥3,980
![[Sales start: Wednesday, April 29, 10 PM] TV Anime "Dr. STONE" x Jewelry Store KARATZ Collaboration Mini Character Acrylic Stand](http://store.karatz.jp/cdn/shop/files/8_fbcefdb5-0729-4c63-b9b7-2b1bdc4e5b2f.png?v=1776052605&width=2048)
[Option] Laser engraving of characters and symbols
Sale price¥2,000
Sri Lankan Unheated Star Sapphire 0.238ct Loose
Sale price¥3,980
![[Sales start on Wednesday, April 29th, at 10 PM] TV Anime "Dr. STONE" x KARATZ Jewelry Store Collaboration Mini Character Can Badge](http://store.karatz.jp/cdn/shop/files/OEM-20260213-BAT57-01.jpg?v=1775529463&width=3889)
![[On sale from Wednesday, April 29th at 10 PM] TV Anime "Dr. STONE" x KARATZ Jewelry Store Collaboration Mini Character Acrylic Keychain](http://store.karatz.jp/cdn/shop/files/OEM-20260213-ACK-01.jpg?v=1775529096&width=3889)
![[Sales start: Wednesday, April 29, 10 PM] TV Anime "Dr. STONE" x Jewelry Store KARATZ Collaboration Mini Character Acrylic Stand](http://store.karatz.jp/cdn/shop/files/OEM-20260213-_-01.jpg?v=1775528616&width=3889)
![[Sales start on Wednesday, April 29th at 10 PM] TV Anime "Dr. STONE" x Jewelry Store KARATZ Collaboration Can Badge](http://store.karatz.jp/cdn/shop/files/OEM-20260115-BAT-01.jpg?v=1775451713&width=3889)
![[Sales start: Wednesday, April 29, 10:00 PM JST] TV Anime "Dr. STONE" x KARATZ Jewelry Store Collaboration Acrylic Keychain](http://store.karatz.jp/cdn/shop/files/OEM-20260115-ACK-01.jpg?v=1775451459&width=3889)
![[Sale starts Wednesday, April 29th at 10 PM JST] TV Anime "Dr. STONE" x KARATZ Jewelry Store Collaboration Acrylic Stand](http://store.karatz.jp/cdn/shop/files/OEM-20260115-AFDDP_01_07.jpg?v=1775450304&width=3889)
Brazilian Dumortierite in Quartz 0.387ct loose stone
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.