[Published on 22602652] [Colorful] K18 Synthetic Opal Pendant Top
Sale price¥19,800
[22602626 listed] [Kalafr] K18 Grossular Garnet 0.26ct Charm
Sale price¥39,800
[22602667 Posted] [Colorful] Pt900 Hauyne 0.035ct Ring
Sale price¥89,800
[Listed on 12563726] Sri Lankan Purple Sapphire 0.661ct Loose Stone
Sale price¥59,800
Jeremejevite 0.226ct Loose
Sale price¥45,800
Tanzanian Zircon 1.237 ct Loose Stone [Listing 12563381]
Sale price¥15,800
![[Jeweler's tools] 4-piece set including loupe (10x magnification), tweezers, and 2 loose stones](http://store.karatz.jp/cdn/shop/files/P4130575.jpg?v=1776126091&width=4000)
![[Jeweler's Tools] Color change penlight loose set](http://store.karatz.jp/cdn/shop/files/P1010673_2976de1d-08ce-4d92-94af-524da4485c99.jpg?v=1725605083&width=4000)
[Jeweler's Tools] Color change penlight loose set
Sale price¥4,980
![[Jeweler's Tools] 3 black light loose pieces (ruby, red spinel rough, oil-in-quartz) with rechargeable battery](http://store.karatz.jp/cdn/shop/files/collage_c90ad5e1-b47a-49f9-b7d7-d75e04cd883a.png?v=1724920180&width=2000)
Solo "Simple Order Ring Setting"
Sale priceFrom ¥79,800
!["PSYCHO-PASS" x KARATZ Collaboration Jewelry: Public Safety Bureau Criminal Investigation Division Device Image Ring - Enforcer Design [Kogami Shinya Model] "Blue Spinel"](http://store.karatz.jp/cdn/shop/files/ca55ad9a7680a3c3acf9653316704dc3.png?v=1747953942&width=3519)
![[Jeweler's Tools] Digital Caliper Color Shift Amethyst 2 Piece Set](http://store.karatz.jp/cdn/shop/files/PB074623.jpg?v=1699331046&width=4000)
[Jeweler's Tools] Digital Caliper Color Shift Amethyst 2 Piece Set
Sale price¥2,980
"PSYCHO-PASS" x KARATZ collaboration jewelry: Shogo Makishima razor design ring (amethyst)
Sale priceFrom ¥25,800
!["PSYCHO-PASS" x KARATZ Collaboration Jewelry: Public Safety Bureau Criminal Investigation Division Device-Inspired Ring with Inspector Design [Ginoza Nobuchika Model] "London Blue Topaz"](http://store.karatz.jp/cdn/shop/files/a2355d930e69eb70c83aa0cfa4d17082_e078bd80-e8f1-4c34-910c-d2227b929fcd.png?v=1747953944&width=3519)
"Initial D" x KARATZ 30th Anniversary Collaboration Acrylic Stand
Sale price¥1,650
[Option] Certificate issuance fee
Sale priceFrom ¥2,750
Jeweler's tool "plate light"
Sale price¥3,800
![Lab-Grown Diamond (Synthetic Diamond) [HPHT Method] Single Loose Stone (2.0mm, 2.2mm, 2.4mm, 2.6mm) [Multiple Purchase Discounts Available]](http://store.karatz.jp/cdn/shop/products/collage_6be597c0-338c-4671-838a-8b1e66598b68.jpg?v=1681976274&width=4000)
![[Jeweler's Tools] White penlight (for loose), loose 3-piece set](http://store.karatz.jp/cdn/shop/files/P1010939_d2032b55-e8e4-4e38-a15d-14d2ee8092f5.jpg?v=1776421761&width=4000)
[Jeweler's Tools] White penlight (for loose), loose 3-piece set
Sale price¥5,980
![[Sales start on Friday, April 24th at 10 PM JST] TV Anime "The Magical Girl and Evil Spirit Strive to Be the Best Together" x KARATZ Collaboration Original Illustration Heart Can Badge](http://store.karatz.jp/cdn/shop/files/ce7fda6ab48aa73ed08a665ad0e71fe1.jpg?v=1751934767&width=2250)
![[Sales End on November 15th] "Bungo to Alchemist" x KARATZ Collaboration Jewelry Bungo Ring [Dazai Osamu Model] {Almandine Garnet, Yellow Diamond}](http://store.karatz.jp/cdn/shop/files/bungou_pt2_bnr_01_1080x1080_137526cc-4d14-414f-8146-aef7dd597625.jpg?v=1747362836&width=1080)
Book "Gemstone Encyclopedia" (KARATZ, editor: Keiichiro Koyama)
Sale price¥2,640
"PSYCHO-PASS PROVIDENCE" x KARATZ collaboration character image double pendant
Sale priceFrom ¥25,800
![[Sales begin 4/24 (Fri) at 10 PM] TV Anime "Once Upon a Time, a Magical Girl and an Evil Being Were at Odds." x KARATZ Collaboration Original Illustration Acrylic Keychain](http://store.karatz.jp/cdn/shop/files/45469d1b4a585b642446f6595788c1cf.jpg?v=1751934149&width=2250)
Additional charge: K18YG (base metal) + 10,000 yen
Sale price¥10,000
!["PSYCHO-PASS" x KARATZ Collaboration Jewelry: Public Safety Bureau Criminal Investigation Division Device-Inspired Ring with Inspector Design [Tsunemori Akane Model] (Pink Diamond)](http://store.karatz.jp/cdn/shop/files/56c5def9d6dd327eef15171e9337e809.png?v=1747953946&width=3518)
![[Available starting Friday, April 24th at 10 PM JST] TV Anime "The Magical Girl and the Evil Lieutenant Who Used to Be Archenemies" x KARATZ Collaboration Acrylic Stand Coasters Featuring Newly Drawn Illustrations](http://store.karatz.jp/cdn/shop/files/a8cce7eefae3f4e718983e003dc5e0e0_e3ca04b3-39b0-4f97-8788-2631afa137d5.jpg?v=1761641114&width=4500)
Solo (Simple Order Earrings Frame)
Sale price¥29,800
![[Sales End on November 15th] "Bungo to Alchemist" x KARATZ Collaboration Jewelry Bungo Ring [Dazai Osamu Model] {Almandine Garnet, Yellow Diamond}](http://store.karatz.jp/cdn/shop/files/bungou_pt2_bnr_03_1080x1080_4ae0e7b4-416f-461b-b8f9-62a4548c4f0a.jpg?v=1747362865&width=1080)
Star Drop "Semi-custom pendant frame"
Sale price¥59,800
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.