Mexican Opal 0.353ct Loose (Faceted Cut)
Sale price¥9,800
Cambodian Colorless Zircon 0.621ct Loose Stone
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
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
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
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
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
Tanzanian Sunstone 0.980ct Loose Stone
Sale price¥9,800
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 Medusa Quartz (Paraiba Quartz) 0.614ct Loose Stone
Sale price¥9,800
Australian White Opal, 6.0mm/0.697ct loose stone (rose cut)
Sale price¥8,800
Sri Lankan Peristerite 0.272ct Loose Stone
Sale price¥11,000
Cambodian colorless zircon 0.630ct loose stone
Sale price¥8,800
Brazilian Petalite 1.197ct Loose Stone
Sale price¥7,980
South African rough diamond (sawable) 0.105ct rough (with trigon)
Sale price¥39,800
Tanzanian Sunstone 1.599ct Loose Stone
Sale price¥9,800
Brazilian Dumortierite in Quartz 1.911ct Loose Stone
Sale price¥8,800
Brazilian Dumortierite in Quartz 0.978ct Loose Stone
Sale price¥12,800
Mexican Hyalite Opal 1.587ct Loose
Sale price¥9,800
Sri Lankan star sapphire 2.062ct loose
Sale price¥12,800
Diamond (cabochon cut) 0.196ct loose
Sale price¥29,800
Mexican Hyalite Opal 0.942ct Loose
Sale price¥9,800
Mexican Hyalite Opal 6.0mm/0.708ct Loose
Sale price¥25,800
[Takeshi Yamamoto] Brazilian Rock Crystal 12.725ct Loose
Sale price¥39,800
Brazilian chlorite in quartz 27.725ct loose stone
Sale price¥19,800
Oligoclase Sunstone 15mm/10.593ct Loose
Sale price¥15,800
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.