Cushion cut
Demantoid Garnet from Madagascar 0.169ct loose stone
Sale price¥25,800
Romanesite in Quartz 4.825ct loose stone
Sale price¥12,800
Oregon Sunstone 0.359ct loose
Sale price¥8,800
Brazilian Romanesite in Amethyst 7.083ct Loose Stone
Sale price¥18,800
Brazilian Paraiba Tourmaline 0.405ct loose stone (CuO2.7% CuO2.2%) GIA
Sale price¥198,000
Triplite 0.439ct loose stone
Sale price¥12,800
Triplite 0.278ct loose stone
Sale price¥9,800
Triplite 0.383ct loose stone
Sale price¥12,800
Triplite 0.324ct loose stone
Sale price¥9,800
Brazilian Morganite 7.339ct loose stone
Sale price¥39,800
Afghanistan Hackmanite 0.418ct loose stone
Sale price¥12,800
Afghanistan Green Awinite 0.091ct Loose Stone
Sale price¥45,800
Zimbabwean Blue Apatite (UV type) 1.061ct loose stone
Sale price¥12,800
Brazilian Medusa Quartz (Paraiba Quartz) 1.132ct Loose Stone
Sale price¥6,980
Brazilian Medusa Quartz (Paraiba Quartz) 1.241ct Loose Stone
Sale price¥6,980
Brazilian Medusa Quartz (Paraiba Quartz) 1.405ct Loose Stone
Sale price¥8,800
Colombian Euclase 24.491ct Ruth Medium Treasure Guide
Sale price¥498,000
Blue Garnite from Nigeria 0.514ct Ruth Japanese-German Edition
Sale price¥59,800
Taaffeite from Myanmar 0.70ct loose GIT guide
Sale price¥59,800
Lazurite in quartz from Madagascar 0.990ct loose
Sale price¥14,800
Green zircon 1.210ct loose
Sale price¥8,800
[12554323] Ethiopian Muscovite 1.915ct loose stone
Sale price¥12,800
[12552507] Star Spinel 2.626ct Loose
Sale price¥198,000
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.
