Agate 56.919ct Ruth (Druzy Agate)
Sale price¥3,980
Agate 35.084ct Ruth (Druzy Agate)
Sale price¥3,980
Agate 64.882ct Ruth (Druzy Agate)
Sale price¥4,980
Australian boulder opal 0.874ct loose
Sale price¥4,980
Australian boulder opal 0.721ct loose
Sale price¥5,980
Australian boulder opal 1.156ct loose
Sale price¥5,980
Australian boulder opal 1.173ct loose
Sale price¥5,980
Australian boulder opal 0.982ct loose
Sale price¥6,980
Australian boulder opal 1.868ct loose
Sale price¥29,800
Australian boulder opal 1.675ct loose
Sale price¥29,800
Australian boulder opal 28.880ct loose
Sale price¥69,800
Dendritic Agate 7.179ct loose
Sale price¥9,800
Dendritic Agate 3.721ct loose
Sale price¥5,980
Dendritic Agate 4.437ct loose
Sale price¥4,980
Dendritic Agate 4.533ct loose
Sale price¥6,980
Dendritic Agate 6.449ct loose
Sale price¥9,800
Dendritic Agate 6.456ct loose
Sale price¥9,800
Dendritic Agate 3.505ct loose
Sale price¥5,980
Brazilian lepidocrocite in quartz 2.223ct loose
Sale price¥4,980
Sri Lankan white sapphire 2.9mm/0.086ct loose (rose cut)
Sale price¥5,980
Benitoite 2.2mm/0.270ct loose (gradation set)
Sale price¥79,800
Brazilian imperial topaz 0.467ct loose
Sale price¥15,800
Color change garnet from Madagascar 0.855ct loose
Sale price¥12,800
Color change garnet from Madagascar 0.648ct loose
Sale price¥9,800
Benitoite 0.095ct loose
Sale price¥24,800
Brazilian pink imperial topaz 0.322ct loose
Sale price¥12,800
Sphene from Madagascar 0.711ct loose
Sale price¥19,800
Sphene from Madagascar 0.765ct loose
Sale price¥19,800
Hauinite 0.074ct loose
Sale price¥19,800
American Anthill Garnet (Chrome Pyrope Garnet) 5mm/0.540ct Loose
Sale price¥22,800
Rubellite 2.115ct loose Japanese-German book
Sale price¥88,800
Blue zircon 3.283ct loose
Sale price¥75,800
![[Available at 10 PM on August 11th] Limited to 10 stones: Pakistani Oil-in-Quartz (Moving Bubbles) - Single Loose Stone (Multiple Purchase Discounts Available)](http://store.karatz.jp/cdn/shop/files/collage_fbd2cd6c-14c7-44a3-a8fc-8a78ec33fd37.png?v=1754828598&width=2000)
Sri Lankan zircon 2.307ct loose
Sale price¥12,800
Green Zoisite 2.606ct loose
Sale price¥98,000
Brazilian Paraiba tourmaline 0.275ct loose (CuO:1.5%.MnO:2.3%)
Sale price¥358,000
Synthetic moissanite 6mm/0.748ct loose (star cut)
Sale price¥19,800
![[Available at 10 PM on August 11th] Limited to 9 stones: 1 loose Mexican opal stone [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/products/P1306513.jpg?v=1754827869&width=4000)
German Awinite 0.070ct loose stone
Sale price¥15,800
Myanmar Pink Spinel 0.650ct Loose
Sale price¥16,800
Colombian emerald cat's eye 0.190ct loose
Sale price¥15,800
Red spinel 0.195ct loose
Sale price¥6,980
Paraiba tourmaline from Brazil 0.154ct loose (CuO:1.1wt%, MnO:1.4wt%)
Sale price¥128,000
[Cat cut] Rubellite 7mm/1.540ct loose
Sale price¥19,800
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.
業界発展のための後進育成や事業協力、宝石の国スリランカの子どもたちへの支援活動など、KARATZの取り組みについてご紹介いたします。
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.