[On sale 6/12 10 PM JST] Synthetic Alexandrite 1.076ct Loose Stone
Sale price¥25,800
[On sale June 12th at 10 PM] Synthetic Alexandrite 1.381ct Loose Stone
Sale price¥25,800
【On sale June 14, 10 PM】Spanish Andalusite 0.416ct Loose Stone
Sale price¥9,800
[On sale June 14th at 10 PM] Australian Black Opal 1.080ct Loose Stone
Sale price¥39,800
![[On Sale June 13, 10 PM] [Limited to 2 Stones] Brown Diamond (4mm/0.3ct, with certificate) [Multiple Purchase Discount Available]](http://store.karatz.jp/cdn/shop/files/collage_ab98be24-a2fb-436e-abe4-9e7713aae512.png?v=1781241148&width=3000)
![[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)
0.066ct loose Brazilian Paraiba Tourmaline (CuO: 1.5%, MnO: 2.2%)
Sale price¥45,800
Loose 0.061ct Brazilian Paraiba Tourmaline (CuO: 1.7%, MnO: 2.2%)
Sale price¥49,800
Paraiba Tourmaline from Brazil, 0.063 ct, loose (CuO: 1.8%, MnO: 2.4%)
Sale price¥55,800
Brazilian Paraiba Tourmaline 0.055ct Loose (CuO:1.9%, MnO:2.2%)
Sale price¥45,800
![[Sale June 15th 10 PM JST] Afghanistan Hauyne 0.098ct Loose Stone with Gemstone Identification Report](http://store.karatz.jp/cdn/shop/files/P6122020_489ee361-8560-4726-b40a-b18f20c9733b.jpg?v=1781313717&width=2756)
![[On Sale 10 PM, June 14th] Botswana Rough Diamond (Sawable) 0.090ct (Trigon)](http://store.karatz.jp/cdn/shop/files/P6110638_5c63da75-a324-403d-a5a3-d4b54de8c183.jpg?v=1781314560&width=2823)
![[Sales on 6/16 at 10 PM] Myanmar Red Spinel 0.578ct Loose Gemstone](http://store.karatz.jp/cdn/shop/files/P6121320_58d4cabd-0372-4693-b283-d1e74397130c.jpg?v=1781388731&width=2967)
[Sales on 6/16 at 10 PM] Myanmar Red Spinel 0.578ct Loose Gemstone
Sale price¥19,800
![[Sale June 16th, 10 PM] Myanmar Red Spinel 0.453ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P6121284_fd66fb08-eacc-41b1-a58e-d3dc1f40e6d8.jpg?v=1781388763&width=2714)
[Sale June 16th, 10 PM] Myanmar Red Spinel 0.453ct Loose Stone
Sale price¥19,800
![[Sale starts June 16th at 10 PM] Myanmar Red Spinel 3.3mm/0.172ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P6121234_9f023d33-ccb2-49c8-9264-4b9be621a2c8.jpg?v=1781388890&width=3281)
![[Sale starts June 16th, 10 PM JST] Myanmar Red Spinel 0.234ct Loose Gemstone](http://store.karatz.jp/cdn/shop/files/P6121115_20a14fb0-9b4f-4ca5-80bb-b5d0358865f5.jpg?v=1781388982&width=2830)
![[On Sale June 16, 10 PM] Loose 0.249ct Myanmar Red Spinel](http://store.karatz.jp/cdn/shop/files/P6121051_d8485448-b4ad-4229-8e9c-fc412423e450.jpg?v=1781389027&width=2767)
[On Sale June 16, 10 PM] Loose 0.249ct Myanmar Red Spinel
Sale price¥12,800
![[Sales begin June 15th, 10 PM] Myanmar Red Spinel 3.5mm/0.174ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P6121250_a9c43cdd-5ac6-4c40-9451-aa25efb4c36d.jpg?v=1781389463&width=2430)
![[On sale June 15th at 10 PM] Natural Kyanite from Nepal 2.863ct Loose (Royal Blue Color)](http://store.karatz.jp/cdn/shop/files/P6110934_e74e28af-0283-4379-9bd7-b9f372dbe396.jpg?v=1781389648&width=3128)
Brazilian Green Tourmaline 2.218ct Loose
Sale price¥25,800
![[On sale May 28th at 10 PM] Adult Sebonstar Adjuster Charm](http://store.karatz.jp/cdn/shop/files/P9170504.jpg?v=1738627942&width=4000)
[On sale May 28th at 10 PM] Adult Sebonstar Adjuster Charm
Sale price¥15,800
![[On sale May 28th, 10 PM] Adult Cbonstar Jewelry Vol. 3: Adult Cbonstar Pendant Mirage Edition <silver model></silver>](http://store.karatz.jp/cdn/shop/files/P8061894.jpg?v=1761201097&width=4000)
!["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)
"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)
![[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)
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.