Bicolor Zoisite 1.785ct loose
Sale price¥49,800
Opal 21.584ct loose Japanese and German
Sale price¥8,800
Bicolor sapphire 0.853ct loose stone
Sale price¥9,800
Morganite 1.135ct loose
Sale price¥5,980
Synthetic moissanite 0.245ct loose (shield cut)
Sale price¥6,980
Tanzanite 2.418ct loose
Sale price¥55,800
Synthetic moissanite 10.5mm/4.197ct loose (Portuguese cut)
Sale price¥29,800
Hemimorphite 18.750ct loose
Sale price¥39,800
Paraiba tourmaline from Brazil 0.265ct loose (CuO:0.7%, MnO:3.0%)
Sale price¥29,800
Montana Sapphire 1.9mm/0.033ct loose
Sale price¥4,980
Dioptase from Namibia 3.2mm/0.123ct loose
Sale price¥59,800
Labradorite 6mm/0.741ct loose (rose cut)
Sale price¥3,980
Brazilian rainbow scapolite 3mm/0.133ct loose (rose cut)
Sale price¥3,980
Andalusite from Sri Lanka 0.408ct loose
Sale price¥3,980
Andalusite from Sri Lanka 0.361ct loose
Sale price¥3,980
Pink tourmaline cat's eye 5.460ct loose
Sale price¥8,800
Bicolor tourmaline 6.40ct loose
Sale price¥7,980
Brazilian Paraiba tourmaline 0.229ct loose (CuO:0.8%, MnO:2.2%)
Sale price¥39,800
Ruby 0.182ct loose
Sale price¥5,980
Pink sapphire from Greenland 4.3mm/0.465ct loose with certificate
Sale price¥6,980
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
Pink sapphire from Greenland 0.336ct loose with certificate
Sale price¥9,800
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
[Camellia Cut] Ametrine 11mm/4.207ct《Collaboration》Loose with patch
Sale price¥39,800
[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
K18 bicolor sapphire 0.129ct/blue sapphire ring
Sale price¥69,800
Mexican cantera opal 34.760ct loose
Sale price¥39,800
Colombian Euclase 1.365ct rough stone
Sale price¥29,800
Mexican fire agate 33.195ct loose
Sale price¥39,800
Black opal 2.293ct loose
Sale price¥98,000
Cornel pin 1.011ct loose
Sale price¥8,800
Bicolor apatite 15.507ct loose
Sale price¥98,000
Star spinel from Myanmar 1.004ct loose
Sale price¥14,800
[12541081 published] Emerald 9.380ct rough stone
Sale price¥4,980
[Posted 12541074] Emerald 77.265ct rough stone
Sale price¥6,980
[Posted 12541071] Emerald 162.375ct rough stone
Sale price¥9,800
Synthetic Moissanite 13mm/8.154ct Loose Stone
Sale price¥39,800
Synthetic rutile 6.5mm/1.233ct loose stone
Sale price¥12,800
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.