Tanzanian Kornerupine Cat's Eye 1.539ct Loose Stone
Sale price¥9,800
Purple Spinel 4.8mm/0.422ct Loose Stone
Sale price¥6,980
Pink spinel 5.2mm/0.573ct loose stone
Sale price¥6,580
Purple spinel 4.5mm/0.365ct loose
Sale price¥4,980
Pink spinel 4.3mm/0.342ct loose
Sale price¥6,980
Pink spinel 3.8mm/0.192ct loose
Sale price¥5,980
Purple spinel 0.465ct loose
Sale price¥5,980
![[Limited to 18 stones] [Mr. KEN] 1 stone loose Andalusite from Spain (Rose cut, 4.0mm) [Multiple purchase discount] [Yuichiro Abe's work motif]](http://store.karatz.jp/cdn/shop/files/collage_cd13e4f3-2d31-4d02-b9d3-66c868acfcc9.jpg?v=1706791241&width=4000)
![[Limited 7 stones] [Mr. KEN] 1 stone loose Andalusite from Spain (Rose cut, 3.5mm) [Multiple purchase discount] [Yuichiro Abe's work motif]](http://store.karatz.jp/cdn/shop/files/collage_174f3218-4e2b-4188-905d-f0874a8ffa2b.jpg?v=1706791198&width=4000)
![[Limited to 4 stones] Synthetic moissanite 1 stone loose (rose cut, 5.0mm) [Discount available for multiple purchases]](http://store.karatz.jp/cdn/shop/files/P1260004.jpg?v=1706272442&width=4000)
Pezzotite from Madagascar 0.128ct loose
Sale price¥6,980
Pezzottite from Madagascar 0.142ct loose
Sale price¥9,800
Pezzottite from Madagascar 0.115ct loose
Sale price¥5,980
Pezzotite from Madagascar 0.129ct loose
Sale price¥6,980
Pezzottite from Madagascar 0.087ct loose
Sale price¥6,980
![[Limited to 12 stones] 1 stone loose Oregon sunstone cut like Shimizu Precious Stones + special patch [Discount available for multiple purchases]](http://store.karatz.jp/cdn/shop/files/P1120138.jpg?v=1705057831&width=4000)
Australian black opal 0.310ct loose
Sale price¥8,800
Diamond 0.534ct rough stone
Sale price¥9,800
Sealite from Afghanistan 0.632ct loose
Sale price¥3,980
Sealite from Afghanistan 0.938ct loose
Sale price¥3,980
Sealite from Afghanistan 0.905ct loose
Sale price¥3,980
Sealite from Afghanistan 1.011ct loose
Sale price¥5,980
Sealight from Afghanistan 0.604ct loose
Sale price¥3,980
Sealite from Afghanistan 0.822ct loose
Sale price¥4,980
Sealite from Afghanistan 1.086ct loose
Sale price¥5,980
Sealight from Afghanistan 0.602ct loose
Sale price¥3,980
Bicolor tourmaline 0.675ct loose
Sale price¥6,980
White topaz 1.140ct loose
Sale price¥5,980
Andalusite 0.604ct loose
Sale price¥6,980
Synthetic moissanite 0.372ct loose
Sale price¥9,800
Mint color tourmaline 0.115ct loose
Sale price¥5,980
Mexican Hyalite Opal 2.592ct loose
Sale price¥9,800
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.
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.