American barite 2.073ct loose stone
Sale price¥18,800
[12551148] Australian black opal 3.890ct loose stone
Sale price¥69,800
Madagascar Blue Sapphire 0.316ct Loose
Sale price¥18,800
Madagascar Blue Sapphire 0.401ct Loose
Sale price¥14,800
Madagascar Purple Sapphire 0.349ct Loose Stone
Sale price¥18,800
Brazilian alexandrite 0.120ct loose
Sale price¥15,800
Brazilian alexandrite 0.123ct loose
Sale price¥15,800
Brazilian Alexandrite 0.106ct Loose Stone (Silky Alexandrite)
Sale price¥15,800
Brazilian alexandrite 0.116ct loose
Sale price¥15,800
Brazilian Alexandrite 0.141ct Loose Stone (Silky Alexandrite)
Sale price¥15,800
Sri Lankan Chrysoberyl Cat's Eye 0.531ct Loose Stone
Sale price¥19,800
Sri Lankan Chrysoberyl Cat's Eye 0.556ct Loose Stone
Sale price¥15,800
Vietnam Aquamarine 0.398ct Loose
Sale price¥6,980
Vietnam Aquamarine 0.461ct Loose Stone
Sale price¥5,980
Demantoid garnet from Madagascar 0.056ct loose
Sale price¥8,800
Demantoid garnet from Madagascar 0.063ct loose
Sale price¥8,800
Benitoite 0.338ct loose stone
Sale price¥258,000
Tanzanian Kornerupine 0.375ct loose stone
Sale price¥29,800
Tanzanian Kornerupine 0.199ct loose stone
Sale price¥19,800
Tanzanian Kornerupine 0.172ct loose stone
Sale price¥18,800
Tanzanian Kornerupine 0.212ct loose stone
Sale price¥19,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 2.064ct Loose Stone
Sale price¥29,800
Tanzanian Mandarin Garnet 0.359ct Loose Stone
Sale price¥22,800
Paraiba tourmaline from Brazil 0.018ct loose
Sale price¥14,800
Paraiba tourmaline from Brazil 0.023ct loose
Sale price¥19,800
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.298ct Loose Stone
Sale price¥15,800
Tanzanian Kornerupine 0.391ct loose stone
Sale price¥39,800
Mexican Fire Opal 0.599ct Loose
Sale price¥6,980
Myanmar Lavender Jade (Jadeite) 4.907ct Loose Stone
Sale price¥19,800
Paraiba tourmaline from Brazil 0.071ct loose
Sale price¥25,800
American oil-free red beryl 0.030ct loose GIA
Sale price¥79,800
Manganotantalite from Afghanistan 1.868ct loose stone
Sale price¥69,800
Unheated silky pink sapphire from Vietnam 0.239ct loose
Sale price¥8,800
Purple Star Sapphire 3.882ct Loose
Sale price¥29,800
Kenyan Tsavorite 0.570ct Loose Stone
Sale price¥29,800
Myanmar Star Spinel 2.030ct Loose
Sale price¥79,800
Mozambique pink spinel 1.170ct loose stone
Sale price¥18,800
Mozambique pink spinel 0.670ct loose stone
Sale price¥29,800
Cambodian orange zircon 5.925ct loose stone
Sale price¥39,800
Sri Lankan Star Sapphire 6.477ct Loose
Sale price¥49,800
Sri Lankan Star Sapphire 7.111ct Loose
Sale price¥59,800
German Awinite 0.064ct loose stone
Sale price¥18,800
Colombian pyrite emerald 3.817ct loose stone
Sale price¥79,800
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.