![[Available at 10 PM on February 15th] [Limited to 150 stones - New in Tucson] Brazilian Alexandrite Loose Stone (Top Quality, Melee Size, Hemachita Mine) [Multiple Purchase Discounts Available]](http://store.karatz.jp/cdn/shop/files/collage_ad2afbca-0932-4534-9b5f-3f15dd5cb7ef.png?v=1772583673&width=2250)
Amabile "Semi-custom ring setting"
Sale price¥89,800
Dolce "Semi-custom ring setting"
Sale price¥89,800
Rose cut apatite 1 stone 3mm《Multiple purchase discount available》
Sale price¥1,980
Madeleine "Semi-custom ring setting"
Sale price¥89,800
![Limited to 20 stones: Brazilian Paraiba tourmaline (cabochon cut, approximately 2.2 mm) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/PC190060_c4f87b12-3b41-4e2d-a32f-2338f4edfd21.jpg?v=1766651520&width=4000)
![[Sale starts 6/5 at 10 PM JST] 《Limited to 25 sets》Kochi Prefecture Red Coral Branch (Raw Wood) and 2 Loose Stones Set (March Birthstone, Coral) 《Multiple Purchase Discount Available》](http://store.karatz.jp/cdn/shop/files/collage_3cb44437-e951-4438-8b17-74206568a429.png?v=1780733612&width=4000)
Tanabata《Semi-custom pendant frame》
Sale price¥59,800
![[Limited stock] "Bakuten!!" x KARATZ collaboration jewelry, Onaga pendant](http://store.karatz.jp/cdn/shop/files/PB130040.jpg?v=1700134029&width=2832)
[Limited stock] "Bakuten!!" x KARATZ collaboration jewelry, Onaga pendant
Sale priceFrom ¥24,800
![[Reception ends on 11/30]《Shipped from mid-January to late January》 “Bakuten!!” x KARATZ collaboration goods / Onaga T-shirt (black/white)](http://store.karatz.jp/cdn/shop/files/1_08cda1d8-48f7-4a6c-a63b-6ca7038ce792.png?v=1726127444&width=1080)
TV anime "Shinkalion Change the World" x KARATZ collaboration Taisei model
Sale priceFrom ¥16,800
![Limited to 32 stones: Namibian Mandarin Garnet, 1 loose stone (round cut, 2.5mm) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/PB130022.jpg?v=1763179441&width=4000)
![[Sales start on Wednesday, July 1st, 10 PM JST] Anime "Moriarty the Patriot" x Jewelry Specialty Store KARATZ Collaboration Glitter Can Badge](http://store.karatz.jp/cdn/shop/files/OEM-20260324-__01_05.jpg?v=1777333821&width=3889)
![[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)
Additional charge for resizing: 4,500 yen
Sale price¥4,500
Diamond loose/certificate transfer fee
Sale price¥6,600
Orion "Semi-custom pendant frame"
Sale price¥59,800
Staccato "Semi-custom ring setting"
Sale price¥89,800
Additional charge for resizing: 2,500 yen
Sale price¥2,500
![[On sale Friday, April 24 at 10 PM JST] TV Anime "Once Upon a Time, a Magical Girl and an Evil Boss Were At Odds." x KARATZ Collaboration Magical Girl-Inspired Necklace - Kagari Hanabana Model -](http://store.karatz.jp/cdn/shop/files/1080x1080px_94b67cb3-55c3-4f9f-a0d9-23c5a7bf6b8f.jpg?v=1751940327&width=2250)
![[Sales end on Sunday, July 19th] TV Anime "Blue Lock" x KARATZ Collaboration Part 2 Layered Ring](http://store.karatz.jp/cdn/shop/files/bluelock_bnrB_01_1080x1080_1.jpg?v=1763018217&width=1080)
![[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)
Bizarro "Semi-custom ring setting"
Sale price¥89,800
Caland "Semi-custom pinky ring frame"
Sale price¥69,800
Additional charge: K18PG (base metal) + 5,000 yen
Sale price¥5,000
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.