Cambodian blue zircon 3.322ct loose
Sale price¥29,800
Paraiba tourmaline from Brazil 0.066ct loose (CuO:1.7%,Mn0:2.1%)
Sale price¥29,800
Green opal 15.950ct loose
Sale price¥29,800
[Konpeito] Iolite 3.330ct loose
Sale price¥25,800
[Dandelion Cut] Danburite 8mm/1.860ct《Collaboration》Loose with patch
Sale price¥19,800
Sealight 2.737ct loose
Sale price¥22,800
Color change Andesine 2.311ct loose
Sale price¥25,800
Cantera opal 14.581ct loose
Sale price¥22,800
Paraiba tourmaline from Brazil 0.252ct loose (CuO:0.9%, MnO:2.0%)
Sale price¥29,800
Synthetic moissanite 10.5mm/4.197ct loose (Portuguese cut)
Sale price¥29,800
Paraiba tourmaline from Brazil 0.265ct loose (CuO:0.7%, MnO:3.0%)
Sale price¥29,800
Ice ruby (pink sapphire) from Greenland 0.416ct loose with certificate
Sale price¥18,800
Pink sapphire from Greenland 0.754ct loose with certificate
Sale price¥25,800
Ruby from Greenland 0.268ct loose with certificate
Sale price¥18,800
Bastnaesite from Pakistan 1.390ct loose
Sale price¥14,800
Yellow sapphire from Sri Lanka 6mm/0.816ct loose
Sale price¥18,800
Yellow sapphire from Sri Lanka 6mm/0.962ct loose
Sale price¥18,800
[Sakura Incut] Danburite 8.25mm/1.719ct《Collaboration》Loose with emblem
Sale price¥25,800
[Dandelion cut] Danburite 7mm/1.364ct loose with patch
Sale price¥19,800
Colombian Euclase 1.365ct rough stone
Sale price¥29,800
Star spinel from Myanmar 1.004ct loose
Sale price¥14,800
Synthetic rutile 6.5mm/1.233ct loose stone
Sale price¥12,800
Brazilian beryl 105.928ct raw stone
Sale price¥18,800
Rutilated Quartz (Rutilated Quartz) 92.302ct Loose
Sale price¥12,800
Rutilated Quartz (Rutilated Quartz) 110.150ct Loose
Sale price¥18,800
[Posted 12540116] Ethiopian opal 136.601ct rough stone
Sale price¥29,800
Myanmar star spinel 1.160ct loose
Sale price¥12,800
Star spinel 1.295ct loose
Sale price¥11,800
Kunzite 13.700ct loose
Sale price¥15,800
Opal 426.985ct rough stone
Sale price¥29,800
[On Sale at 10 PM on August 9th] Madagascar Pink Sapphire 0.324ct Loose
Sale price¥12,800
[On Sale at 10 PM on August 13th] Madagascar Sapphire 0.298ct Loose
Sale price¥12,800
[On Sale at 10 PM on August 9th] Madagascar Sapphire 0.503ct Loose
Sale price¥15,800
[On Sale at 10 PM on August 2nd] Madagascar Sapphire 0.344ct Loose
Sale price¥12,800
[8/11 22:00 Sale] Tanzanian Kornerupine 0.084ct Loose Stone
Sale price¥22,800
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.