Colombian emerald cat's eye 0.110ct loose
Sale price¥9,800
Brazilian Paraiba tourmaline 0.420ct raw stone (CuO:1.6%, MnO:1.3%)
Sale price¥69,800
Paraiba tourmaline from Mozambique 0.229ct loose
Sale price¥9,800
[12/16 22:00 Sale] Green Sapphire 0.607ct Loose
Sale price¥12,800
[12/16 22:00 Sale] Sri Lankan Yellow Sapphire 0.170ct Loose
Sale price¥12,800
[12/16 22:00 Sale] Sri Lankan Yellow Sapphire 0.182ct Loose
Sale price¥9,800
[12/14 22:00] Indian Moonstone 5.1mm/0.426ct Loose Stone (Rose Cut)
Sale price¥6,980
[12/5 22:00 Sale] Black Star Sapphire 1.410ct Loose
Sale price¥9,800
[Rouge cut] Almandine garnet 2.090ct loose
Sale price¥8,800
[Rouge cut] Almandine garnet 2.076ct loose
Sale price¥8,800
Australian opal 0.286ct loose
Sale price¥5,980
YAG (Yttrium Aluminum Garnet) 7mm/1.775ct Loose Stone
Sale price¥9,800
Australian boulder opal 3.695ct loose
Sale price¥14,800
Australian boulder opal 2.470ct loose
Sale price¥7,980
Pink tourmaline 0.516ct loose
Sale price¥5,980
Myanmar trapichel ruby 0.179ct rough stone
Sale price¥3,980
Sri Lankan star sapphire 2.094ct loose
Sale price¥12,800
[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
1 green opal from Amazon《Discount available for multiple purchases》
Sale price¥2,980

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.






![[12/9 22:00 Sale] Internally Flawless Diamond (H&C) 3.8mm/0.210ct Loose (F, IF, 3 Excellent H&C) GIA & Chuho](http://store.karatz.jp/cdn/shop/files/S__223027203.jpg?v=1761697297&width=1477)
![[12/16 22:00 Sale] Green Sapphire 0.607ct Loose](http://store.karatz.jp/cdn/shop/files/PC052530_2f588a47-b6eb-4fa9-bbf4-ed1074e3cf88.jpg?v=1765757288&width=2552)
![[12/16 22:00 Sale] Sri Lankan Yellow Sapphire 0.170ct Loose](http://store.karatz.jp/cdn/shop/files/PC052497_8d01ae1d-df4a-445b-93cc-9dfe45a33753.jpg?v=1765757396&width=2729)
![[12/16 22:00 Sale] Sri Lankan Yellow Sapphire 0.182ct Loose](http://store.karatz.jp/cdn/shop/files/PC052463_2ea7a367-cd92-45ff-8363-772d7c4d65a9.jpg?v=1765757397&width=2502)
![[12/14 22:00] Indian Moonstone 5.1mm/0.426ct Loose Stone (Rose Cut)](http://store.karatz.jp/cdn/shop/files/PC032082.jpg?v=1765629901&width=4000)
![[On Sale at 10 PM on December 5th] YAG (Yttrium Aluminum Garnet) 6.5mm/1.548ct Loose Stone](http://store.karatz.jp/cdn/shop/files/yag-65mm1548ct-257679.jpg?v=1764892582&width=1200)














![[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)

![[Jeweler's Tools] Digital Caliper Color Shift Amethyst 2 Piece Set](http://store.karatz.jp/cdn/shop/files/PB074623.jpg?v=1699331046&width=4000)


!["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)


!["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)
![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)











![[On sale from 10pm on 12/7] {Limited to 40 stones} Salt and pepper diamond (2mm, melee diamond) 1 loose stone {Multiple purchase discounts available}](http://store.karatz.jp/cdn/shop/files/P1010006_0c54a3f8-4c3f-4e8b-89f0-8fa833db8db4.jpg?v=1733444191&width=4000)
!["PSYCHO-PASS" x KARATZ Collaboration Jewelry: Public Safety Bureau Criminal Investigation Division Device Image Ring - Enforcer Design [Yayoi Rokuitsuka Model] "Ice Blue Sapphire"](http://store.karatz.jp/cdn/shop/files/f76800a131d00c2a53ddcb66deb272d4.png?v=1747953940&width=3519)

!["PSYCHO-PASS" x KARATZ Collaboration Jewelry: Public Safety Bureau Criminal Investigation Division Device-Inspired Ring - Enforcer Design [Tomoki Masatsugu Model] "Moonstone"](http://store.karatz.jp/cdn/shop/files/0575a6b5c87ca6dd50957fbff064cdcb.png?v=1747953941&width=3518)

