Madeira Citrine 6mm/0.914ct loose
Sale price¥8,800
Andesine Labradorite (commonly known as Rainbow Moonstone) 0.977ct loose
Sale price¥22,800
Topaz cat's eye 8.781ct loose
Sale price¥12,800
《Yurakucho Marui 2024112 takeout》Topaz Cat's Eye 7.869ct Loose
Sale price¥11,800
Rubellite 2.115ct loose Japanese-German book
Sale price¥88,800
Blue zircon 3.283ct loose
Sale price¥75,800
Bicolor Zoisite 2.603ct loose
Sale price¥79,800
《Yurakucho Marui 2024112 takeout》Tanzanite 2.726ct loose stone
Sale price¥118,000
Royal blue sapphire 0.81ct loose AIGS
Sale price¥88,800
Montana Sapphire 0.119ct loose
Sale price¥16,800
[Dandelion Cut] Danburite 8mm/1.860ct《Collaboration》Loose with patch
Sale price¥29,800
Spinel from Sri Lanka 0.490ct loose (green blue)
Sale price¥19,800
《Yurakucho Marui 2024112 takeout》Malawi sapphire 3mm/0.144ct loose stone
Sale price¥22,800
Sri Lankan zircon 2.307ct loose
Sale price¥12,800
Johachidolite from Myanmar 0.614ct loose
Sale price¥29,800
《Yurakucho Marui 2024112 takeout》Kornerupine 0.843ct loose stone
Sale price¥18,800
Montana Sapphire 3mm/0.154ct loose
Sale price¥22,800
Sealight 2.737ct loose
Sale price¥22,800
Color change Andesine 2.311ct loose
Sale price¥35,800
《Yurakucho Marui 2024112 Takeout》Green Zoisite 2.606ct Loose Stone
Sale price¥98,000
[Cat cut] Bankacha sapphire 6mm/0.812ct loose
Sale price¥14,800
South African green diamond rough (makeable) 0.298ct loose
Sale price¥79,800
Colombian Euclase 3.543ct loose
Sale price¥49,800
Cantera opal 14.581ct loose
Sale price¥45,800
Russian demantoid garnet (horsetail recognized) 0.600ct loose
Sale price¥148,000
Wurzite 0.224ct loose Japanese-German book
Sale price¥55,800
Paraiba tourmaline from Brazil 0.252ct loose (CuO:0.9%, MnO:2.0%)
Sale price¥39,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 3.041ct loose
Sale price¥39,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 3.086ct loose
Sale price¥29,800
Gold Sheen Sapphire 4mm/0.409ct loose
Sale price¥29,800
Color change Andesine 5.5mm/0.754ct loose
Sale price¥13,800
Sphene 6.5mm/1.183ct loose
Sale price¥19,800
Lavender tanzanite 2.219ct loose
Sale price¥79,800
Bicolor Zoisite 1.785ct loose
Sale price¥55,800
{Yurakucho Marui 2024112 takeout} Bicolor Tanzanite 2.304ct loose stone
Sale price¥59,800
Sapphire 0.502ct loose (pink purple)
Sale price¥9,800
Apatite cat's eye 3.914ct loose
Sale price¥7,980
Opal 21.584ct loose Japanese and German
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.
The fifth reprint has been decided and is now on sale at bookstores nationwide and online.
Written by KARATZ, book “Jewelry Illustrated Book”
The book provides explanations about over 300 types of gemstones, from new standard birthstones to rare stones that are hard to find, as well as a diary of our company representative, Mr. Koyama's, gemstone shopping experience in Thailand and Sri Lanka, and tips for photographing gemstones, allowing you to learn about the appeal of gemstones from various perspectives.