Brazilian Dumortierite in Quartz 3.009ct Loose Stone
Sale price¥29,800
Synthetic rutile 5.1mm/0.877ct loose stone
Sale price¥12,800
Brazilian Dumortierite in Quartz 2.282ct Loose Gemstone
Sale price¥18,800
Mexican Opal 0.353ct Loose (Faceted Cut)
Sale price¥9,800
Diamond 0.244ct Loose Stone (F, VS2, Flanders Cut)
Sale price¥39,800
Cambodian Colorless Zircon 0.621ct Loose Stone
Sale price¥12,800
Synthetic Rutile 0.768ct Loose
Sale price¥12,800
Cambodian Colorless Zircon 1.121ct Loose Stone
Sale price¥18,800
YAG (Yttrium Aluminum Garnet) 0.598ct loose stone
Sale price¥9,800
Zimbabwean Bicolor Euclase 0.227ct Loose Stone
Sale price¥49,800
Afghan Bicolor Beryl 9.490ct Loose Gemstone (with Rainbow Inclusions)
Sale price¥25,800
Sri Lankan Moonstone 1.578ct Loose Gemstone
Sale price¥12,800
Mexican Opal (Faceted) 0.208ct Loose Stone
Sale price¥9,800
Brazilian Sunstone 5.1mm/0.532ct Loose Stone (Rose Quartz)
Sale price¥5,980
Brazilian Sunstone 6.2mm/0.896ct Loose (Rose Quartz)
Sale price¥5,980
Brazilian Medusa Quartz (Paraiba Quartz) 3.9mm/0.237ct Loose
Sale price¥15,800
1.519ct loose Oregon sunstone from the United States
Sale price¥15,800
Canadian rough diamond (sawable) 0.096ct rough with trigon
Sale price¥29,800
Uncut Canadian diamond (sawable) 0.103ct
Sale price¥29,800
Rough diamond (sawable) 0.466ct rough diamond (with trigon)
Sale price¥98,000
Diamond rough (makeable) 0.204ct rough
Sale price¥39,800
0.604ct rough diamond
Sale price¥12,800
Brazilian Dumortierite in Quartz 0.382ct Loose Stone
Sale price¥9,800
Mexican Water Opal (Faceted) 0.215ct Loose (Contrarus Opal)
Sale price¥18,800
1.175ct loose Australian white opal
Sale price¥9,800
Brazilian Pyrite in Quartz 4.153ct Loose Stone
Sale price¥11,000
Brazilian Pyrite in Quartz 6.992ct Loose Stone
Sale price¥18,800
![[12/7 22:00] Brazilian Dumortierite in Quartz 16.250ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC052301_931dfc6c-1047-4bdf-821f-203298615d94.jpg?v=1765588004&width=2810)
[12/7 22:00] Brazilian Dumortierite in Quartz 16.250ct Loose Stone
Sale price¥9,800
Mexican Water Opal (Faceted) 0.402ct Loose (Contrarus Opal)
Sale price¥12,800
![[12/7 22:00 Sale] Mexican Egg-in Opal 0.381ct Loose](http://store.karatz.jp/cdn/shop/files/PC053061_853dfbb9-2bb5-4b4f-abbd-aef4b76d3dd5.jpg?v=1766553969&width=4000)
[12/7 22:00 Sale] Mexican Egg-in Opal 0.381ct Loose
Sale price¥18,800
![[12/10 22:00 Sale] Indian Moonstone 6.1mm/0.878ct Loose Stone (Rose Cut)](http://store.karatz.jp/cdn/shop/files/PC032133_305a91c4-6921-466f-b86b-6196b85216e3.jpg?v=1765630124&width=4000)
Synthetic Opal 0.856ct Loose (Synthetic Water Opal)
Sale price¥8,800
Brazilian Dumortierite in Quartz 10.0mm/5.357ct Loose Stone
Sale price¥39,800
Mexican Opal (Faceted) 0.261ct Loose (Contrarus Opal)
Sale price¥12,800
Synthetic rutile 1.020ct loose stone
Sale price¥18,800
Synthetic rutile 5.1mm/0.893ct loose stone
Sale price¥9,800
0.200ct loose diamond (G, VVS2, radiant cut)
Sale price¥29,800
Russian Phenakite 0.520ct Loose Stone
Sale price¥24,800
Tanzanian Sunstone 0.980ct Loose Stone
Sale price¥9,800
[11/3 22:00] Zimbabwean Bicolor Euclase 0.196ct Loose Stone
Sale price¥45,800
Tanzanian Sunstone 1.355ct Loose Stone
Sale price¥8,800
Tanzanian Sunstone (Illusion Sunstone) 0.777ct Loose Stone
Sale price¥12,800
Mexican Hyalite Opal 1.420ct Loose
Sale price¥18,800
Mexican Hyalite Opal 0.743ct Loose
Sale price¥12,800
Brazilian Paraiba Tourmaline in Quartz 0.780ct Loose Stone
Sale price¥15,800
Brazilian Medusa Quartz (Paraiba Quartz) 0.614ct Loose Stone
Sale price¥9,800
Indian Moss Agate 0.915ct Loose Stone
Sale price¥8,800
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.