Rutile (single crystal) from Sri Lanka 10.697ct rough
Sale price¥19,800
Paraiba tourmaline from Mozambique 0.516ct loose
Sale price¥41,800
Paraiba tourmaline from Mozambique 0.270ct loose
Sale price¥21,800
Pink diamond 2.4mm/0.055ct loose (FANCY LIGHT PURPLE PINK, SI2)
Sale price¥69,800
Pink diamond 2.4mm/0.071ct loose (FANCY LIGHT PURPLE PINK, SI2)
Sale price¥98,000
Pink diamond 2.2mm/0.041ct loose (FANCY LIGHT PURPLE PINK, SI2)
Sale price¥57,800
Pink diamond 2.3mm/0.055ct loose (FANCY LIGHT PURPLE PINK, SI2)
Sale price¥79,800
Pink diamond 2.2mm/0.043ct loose (FANCY LIGHT PURPLISH PINK, SI2)
Sale price¥59,800
Mexican Water Opal 2.623ct Loose (Contralus Opal)
Sale price¥55,800
Mexican Water Opal 1.790ct Loose (Contralus Opal)
Sale price¥45,800
Paraiba tourmaline from Brazil 0.066ct loose
Sale price¥19,800
Jeremejevite from Namibia 0.041ct loose
Sale price¥8,800
Jeremejevite from Namibia 0.145ct loose (contains iron oxide)
Sale price¥19,800
Bicolor star sapphire from Myanmar 1.340ct loose
Sale price¥35,800
Pink spinel 0.848ct loose stone 6.6mm
Sale price¥12,800
Mint color tourmaline 0.115ct loose
Sale price¥5,980
Brazilian dumortierite in quartz 9.490ct loose
Sale price¥25,800
Brazilian dumortierite in quartz 4.263ct loose
Sale price¥12,800
Brazilian dumortierite in quartz 4.180ct loose
Sale price¥12,800
Mexican Hyalite Opal 2.592ct loose
Sale price¥9,800
Russian demantoid garnet (horsetail recognized) 3.7mm/0.231ct loose
Sale price¥22,800
Russian demantoid garnet (horsetail recognized) 3.8mm/0.232ct loose
Sale price¥18,800
Unheated silky pink sapphire from Vietnam 0.175ct loose
Sale price¥7,980
[Rouge cut] Almandine garnet 4.632ct loose
Sale price¥15,800
[Rouge cut] Almandine garnet 3.214ct loose
Sale price¥15,800
[Rouge cut] Almandine garnet 2.661ct loose
Sale price¥12,800
Diamond 0.051ct loose (trapeze cut, VS class equivalent)
Sale price¥9,800
Diamond 0.777ct loose (butterfly cut)
Sale price¥77,777
Mexican cantera opal 12.610ct loose
Sale price¥29,800
Morganite from Nigeria 0.889ct loose
Sale price¥4,980
Almandine garnet 2.964ct loose
Sale price¥15,800
Brazilian bicolor tourmaline 7.489ct loose
Sale price¥49,800
Bicolor sapphire 0.231ct loose
Sale price¥6,980
Bicolor sapphire 0.207ct loose
Sale price¥6,980
Bicolor sapphire 0.190ct loose
Sale price¥6,980
Pink tourmaline 1.690ct loose
Sale price¥39,800
Colombian Euclase 3.417ct rough stone
Sale price¥12,800
[Camellia cut] Opal 14mm/5.283ct loose with patch
Sale price¥98,000
Synthetic rutile 5.8mm/0.904ct loose stone
Sale price¥15,800
"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 - Enforcer Design [Kagari Shusei Model] "Orange Brown Zircon"](http://store.karatz.jp/cdn/shop/files/fea382d52fd21b8cfe555d6d7268f398.png?v=1747953939&width=3518)
!["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)
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.