Madagascar sphene 0.483ct loose stone
Sale price¥8,800
Brazilian bicolor tourmaline 0.675ct loose stone
Sale price¥9,800
Brazilian Pink Tourmaline 0.448ct Loose Stone
Sale price¥8,800
Mexican Yellow Opal 0.673ct Loose
Sale price¥8,800
Mexican Yellow Opal 0.428ct Loose
Sale price¥8,800
Kyanite 1.042ct loose (commonly known as Paraiba color kyanite)
Sale price¥8,800
Green Beryl 0.078ct loose
Sale price¥5,980
Hackmanite from Afghanistan, 15.600ct rough stone
Sale price¥8,800
Brazilian Romanesite in Quartz 4.331ct Loose Stone
Sale price¥9,800
Tanzania Blue Spinel 0.390ct Loose Stone
Sale price¥9,800
Myanmar Purple Spinel 4.8mm/0.514ct Loose Stone
Sale price¥6,980
Indian Alexandrite Cat's Eye 0.228ct Loose Stone
Sale price¥8,800
Mexican Danburite 2.866ct loose stone (very light pink)
Sale price¥9,800
Brazilian Ametrine 1.56ct loose stone
Sale price¥9,800
Australian Opal 1.916ct Loose
Sale price¥8,800
Madagascar White Topaz (Needle-in Topaz) 7.8mm/2.336ct Loose Stone
Sale price¥5,980
Cambodian colorless zircon 0.508ct loose stone
Sale price¥8,800
Cambodian colorless zircon 0.512ct loose stone
Sale price¥8,800
Cambodian colorless zircon 0.309ct loose stone
Sale price¥4,980
Mexican Cantera Opal 3.280ct Loose
Sale price¥9,800
Brazilian Petalite 0.713ct loose stone
Sale price¥5,980
Brazilian Petalite 1.654ct loose stone
Sale price¥9,800
Mexican Cantera Opal 1.794ct Loose
Sale price¥8,800
Mexican Cantera Opal 1.534ct Loose
Sale price¥8,800
Sri Lankan Blue Sapphire 3.8mm/0.279ct Loose
Sale price¥8,800
Mexican Fire Opal 3.639ct Loose
Sale price¥7,980
Brazilian Tourmaline Cat's Eye 0.890ct Loose Stone
Sale price¥2,980
Dominican Republic Conch Pearl (with flame pattern) 0.572ct loose
Sale price¥8,800
Tagtupite from Greenland 0.797ct loose
Sale price¥9,800
Mausithit from Myanmar 5.246ct loose (Maushitsit)
Sale price¥5,980
Bankacha Sapphire (Black Star Sapphire) 2.260ct Loose
Sale price¥8,800
Brazilian tourmaline cat's eye 0.910ct loose stone
Sale price¥3,980
Mexican Smithsonite 2.697ct loose stone
Sale price¥9,800
Tagtupite from Greenland 0.132ct loose
Sale price¥8,800
Dominican Republic Conch Pearl (with flame pattern) 2.271ct loose
Sale price¥9,800

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.