【5/31 22時販売】ミャンマー産マスグラバイト 0.351ctルース 日独
Sale price¥128,000
【5/31 22時販売】インターナリーフローレスダイヤモンド 4.4mm/0.320ctルース(G, IF, 3Excellent) GIA
Sale price¥89,800
![[Listed as 12562936] Andalusite from Spain, 0.536 ct loose stone](http://store.karatz.jp/cdn/shop/files/S__241475587.jpg?v=1780546174&width=1477)
[Listed as 12562936] Andalusite from Spain, 0.536 ct loose stone
Sale price¥9,800
![[12562937 listed] Andalusite from Spain 0.571ct Loose Gemstone](http://store.karatz.jp/cdn/shop/files/P5280961_49d8ff58-3ed2-4b97-a3bf-151922f670f0.jpg?v=1780547683&width=2972)
[12562937 listed] Andalusite from Spain 0.571ct Loose Gemstone
Sale price¥7,980
![[Published on 12562938] Andalusite from Spain 0.582ct Loose](http://store.karatz.jp/cdn/shop/files/P5280999_4e766c4b-92ba-4c95-af83-5726a6ffe02c.jpg?v=1780547654&width=2919)
[Published on 12562938] Andalusite from Spain 0.582ct Loose
Sale price¥7,980
![[Listed as 12562939] Andalusite from Spain 0.930ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P5281035_34b1503a-fa97-4ac7-a824-2a919a5f714d.jpg?v=1780547534&width=3059)
[Listed as 12562939] Andalusite from Spain 0.930ct Loose Stone
Sale price¥12,800
[Listed under 12563048] Pakistan Kyanite 0.764ct Loose
Sale price¥6,980
[12563049 listed] Australian Boulder Opal 12.216ct Loose Gemstone
Sale price¥15,800
[Listing 12563050] Australian Boulder Opal 41.775ct Loose Stone
Sale price¥19,800
![[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
![[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)
![[Sales End on Sunday, January 18th] Adult Sebon Star Adjuster Charm](http://store.karatz.jp/cdn/shop/files/P9170504.jpg?v=1738627942&width=4000)
[Sales End on Sunday, January 18th] Adult Sebon Star Adjuster Charm
Sale price¥15,800
![[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)
![[Sales End on Sunday, January 18th] Sebon Star Jewelry for Adults, Part 3: Sebon Star Pendant for Adults, Mirage Edition (Silver Model/Precious Model)](http://store.karatz.jp/cdn/shop/files/P8061894.jpg?v=1761201097&width=4000)
![[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)
Solo (Simple Order Ring Frame)
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)
![[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)
![[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
![[Jeweler's Tools] 2-piece loose tweezers set with stopper (for small jewelry)](http://store.karatz.jp/cdn/shop/products/P61587851.jpg?v=1655341623&width=4000)
"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)
"PSYCHO-PASS PROVIDENCE" x KARATZ collaboration character image double pendant
Sale priceFrom ¥25,800
!["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)
![[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)
![[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)
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.