![[Sale starts July 7 at 10 PM] Limited to 14 Stones: Special Cut Gacha [Bulk Purchase Discount Available]](http://store.karatz.jp/cdn/shop/files/75.png?v=1785113154&width=2268)
![[On Sale July 31st at 10 PM] "Limited to 20 Stones" Indigo Tourmaline Gacha with 5 Gem-Quality Stones + 1 Loose Stone (Certificate Included) (Multiple Purchase Discount Available)](http://store.karatz.jp/cdn/shop/files/80.png?v=1785152112&width=4000)
![[Limited to 16 Stones] Yellow Diamond Gacha including Sorting [Multiple Purchase Discount Available]](http://store.karatz.jp/cdn/shop/files/64.png?v=1783912782&width=2268)
![[Sale starts 10PM on July 12] Limited 20 Stones: Grandidierite Single Stone Loose (Avg. 0.035ct) from Madagascar [Multiple Purchase Discount Available]](http://store.karatz.jp/cdn/shop/files/P1010194_ea02faf6-d812-4758-9e0c-262e6891b700.jpg?v=1783773075&width=4000)
![[Sale on 7/ at 10 PM] "Limited to 13 Stones" Madagascar Sapphirine, average 0.09ct "Multiple Purchase Discount Available"](http://store.karatz.jp/cdn/shop/files/P1010288_ec4000a1-014e-44e1-9b97-40f834b9e6e7.jpg?v=1783494963&width=4000)
![[Sale starts July 20, 10 PM JST] Limited to 9 Stones: Opal Gacha, including Black Opal (plus a free Fire Opal!) (Multiple purchase discount available)](http://store.karatz.jp/cdn/shop/files/2026-07-207.47.29.png?v=1784501274&width=1270)
![[On sale July 19th at 10 PM] Limited to 12 Stones: Spanish Sphalerite Gacha Single Stone Loose Gemstone [Multi-purchase discount available]](http://store.karatz.jp/cdn/shop/files/P1010752_356462ac-3c50-4157-9518-627c0d99e74f.jpg?v=1784278877&width=4000)
![[On sale July 20th at 10 PM] "Limited to 13 Stones" Diamond Gacha: Win a FANCY VIVID Yellow Diamond (with sorting report) worth 22,800 yen. One loose stone. (Multiple purchase discount available.)](http://store.karatz.jp/cdn/shop/files/69_1dc952cf-a5b9-4240-ac75-53420ad95011.png?v=1784277381&width=4000)
![[On sale July 19 at 10 PM] Limited 12 Pieces: Pakistan Vayrynenite Gacha 1 Piece Loose Stone (Average 0.03ct) - Bulk Purchase Discount Available](http://store.karatz.jp/cdn/shop/files/P1010096_1_deb38e99-0510-49f1-a287-af84015fa7ce.jpg?v=1784208408&width=4000)
![[On sale July 10 at 10 PM] Limited 8 stones: Sweet Home Mine rhodochrosite single loose stone (average 0.1 ct) [Multiple purchase discount available]](http://store.karatz.jp/cdn/shop/files/P1010384_a9c123c1-c332-47e6-895c-2e2eaf77e8e0.jpg?v=1783557558&width=4000)
![[On sale July 10th at 10 PM] Veatchite, Pakistan, Loose Stone (Avg. 0.04ct) - Limited to 23 Stones - Multiple Purchase Discount Available](http://store.karatz.jp/cdn/shop/files/P1010202_922f35b0-bb64-48b1-8b5c-0d9c3bd450c7.jpg?v=1783493089&width=4000)
![[Sales start July 11th, 10 PM JST] 《Limited to 11 stones》 Madagascar Apatite Single Stone Loose (UV fluorescent type, average 1.0ct) 《Bulk purchase discount available》](http://store.karatz.jp/cdn/shop/files/collage_9ebca466-92b9-498e-9068-a39188c70a00.png?v=1783678634&width=3000)
![[7/ 22:00 JST Release] Indian Green Phantom Quartz (Multiple Purchase Discount Available)](http://store.karatz.jp/cdn/shop/files/collage_c7b9ee75-56b2-4af7-baca-447dbced5e6a.png?v=1783296264&width=3000)
![[Sale starts 10 PM on July 3] 《Limited to 14 stones》Fluorescent diamonds in rare colors such as white, orange, and green《Bulk purchase discount available》](http://store.karatz.jp/cdn/shop/files/collage_208fc75e-72c8-498c-b4c9-14b721e8ebb1.png?v=1782986547&width=3000)
![[On sale July 5th at 10 PM] Limited to 17 stones! Brazilian Hematite in Quartz / Actinolite in Quartz (including those with identification certificates) - 1 stone loose. Multiple purchase discount available.](http://store.karatz.jp/cdn/shop/files/collage_bae01e15-0a31-4c5f-97be-03a01291a32d.png?v=1782952708&width=3000)
![[On Sale June 6th at 10 PM JST] "Limited 13 Stones" Fluorite Gacha including flawed Koshu cut gemstones "Bulk Purchase Discount Available"](http://store.karatz.jp/cdn/shop/files/collage_e24ee4a0-1bb9-4e19-9a6a-6fa75b4cf864.png?v=1782726871&width=3000)
![[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)
Sri Lankan Chrysoberyl Cat's Eye 1.074ct Loose Stone
Sale price¥4,980
![[On Sale June 28th at 10 PM] Limited to 10 Stones: Brazilian Mint-Color Montebrasite (Princess Cut approx. 3.5mm) - 1 Loose Stone (Volume Discount Available)](http://store.karatz.jp/cdn/shop/files/P1010148_b8369c04-8eff-4993-89be-b2e98144c98d.jpg?v=1782382564&width=4000)
![[On sale June 27th at 10 PM] Limited to 10 Stones: Sri Lankan Chrysoberyl (Cut by Mr. Sanje) Gacha (Includes Parrot Color, Canary Yellow) [Multiple Purchase Discount Available]](http://store.karatz.jp/cdn/shop/files/P5150155.jpg?v=1779061883&width=4000)
![[On Sale June 27, 10 PM JST] "Limited to 10 Stones" Rough Stone Gacha including Paraiba Tourmaline (CuO: 1.7%+ content) and Benitoite (with a bonus Oregon Sunstone) "Multiple Purchase Discount Available"](http://store.karatz.jp/cdn/shop/files/52_a5256d7b-e60a-4b76-822d-f33111c60340.png?v=1782353139&width=2268)
![[Sales begin 6/20 10 PM] Limited to 12 Stones: Madagascar Andesine & Labradorite (Rainbow Moonstone & Blue Moonstone) 2-Stone Set (Average 0.60ct) - Multiple Purchase Discount Available](http://store.karatz.jp/cdn/shop/files/collage_702c53e9-00d8-4097-9b45-09aefac43fc6.png?v=1781597688&width=3000)
![[On sale June 19th at 10 PM] "Limited 7 Stones" Anthill Garnet Single Loose Stone (Oval Cut, approx. 4x3mm) "Multiple Purchase Discount Available"](http://store.karatz.jp/cdn/shop/files/S__242548738.jpg?v=1781589437&width=1477)
![[On sale May 24th at 10 PM] "Limited to 12 Stones" Blue Gemstone Gacha 💎 Brazil Paraiba Tourmaline (CuO: 1.5%, MnO: 3.2%) and Zimbabwe Euclase, normally priced at ¥35,800, and more! (Multiple purchase discount available)](http://store.karatz.jp/cdn/shop/files/P1010002_2b7e0b49-712e-480c-b01b-243e8d925a3e.jpg?v=1781241884&width=4000)
Mexican Opal 0.499ct Loose
Sale price¥3,980
![[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)
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 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 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 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)
![[Sales start on Wednesday, July 1st at 10 PM JST] Anime "Moriarty the Patriot" x KARATZ Jewelry Store Collaboration Acrylic Sticker Set](http://store.karatz.jp/cdn/shop/files/OEM-20260410-__01_02_455c070c-ba0d-48cd-91f4-1bf76906663f.jpg?v=1777334622&width=3889)
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.