Cassiterite 0.689ct loose stone with certificate
Sale price¥18,800
Sri Lankan Dunilite 0.142ct loose stone with certificate
Sale price¥25,800
Sri Lankan pink star sapphire 0.391ct loose stone
Sale price¥12,800
Sri Lankan pink star sapphire 0.270ct loose stone
Sale price¥12,800
Vietnam Cobalt Spinel 0.088ct Rough Stone
Sale price¥8,800
Vietnam Cobalt Spinel 0.078ct Rough Stone
Sale price¥8,800
Vietnam Cobalt Spinel 0.142ct Rough Stone
Sale price¥15,800
Vietnam Cobalt Spinel 0.091ct Rough Stone
Sale price¥8,800
Vietnam Cobalt Spinel 0.154ct Rough Stone
Sale price¥12,800
Vietnam Cobalt Spinel 0.331ct Rough Stone
Sale price¥19,800
Brazilian Alexandrite 0.071ct loose stone (emerald cut)
Sale price¥29,800
Brazilian Alexandrite 0.098ct loose stone (emerald cut)
Sale price¥39,800
Russian Demantoid Garnet (Horsetail certified) 3.6mm/0.293ct loose stone
Sale price¥49,800
Brazilian Alexandrite 0.066ct loose stone (emerald cut)
Sale price¥22,800
Myanmar red spinel 0.218ct rough stone
Sale price¥8,800
Tanzania Magnesioaxinite 0.198ct loose stone by Nikkei
Sale price¥69,800
Tanzania Magnesioaxinite 0.176ct loose stone by Nikkei
Sale price¥59,800
Zimbabwean Euclase 0.107ct loose stone
Sale price¥79,800
Blue spinel 0.451ct loose stone
Sale price¥18,800
Madagascar sphene 0.563ct loose stone
Sale price¥9,800
Brazilian Dumortierite in Quartz 3.490ct loose stone
Sale price¥18,800
Madagascar Neon Blue Apatite 0.360ct Loose
Sale price¥9,800
Star Ruby 0.461ct Loose Stone with Certificate
Sale price¥18,800
Brazilian Dumortierite in Quartz 1.256ct loose stone
Sale price¥15,800
Cassiterite 3.6mm/0.461ct loose stone
Sale price¥12,800
Pakistan Triplite 0.567ct Loose Stone with Certificate of Authenticity
Sale price¥29,800
Cassiterite 4.0mm/0.566ct loose stone
Sale price¥16,800
Pigeon Blood Ruby 0.940ct Loose GIA
Sale price¥128,000
Brazilian Paraiba Tourmaline 0.320ct Loose GIA
Sale price¥148,000
Star Ruby 0.286ct Loose Stone with Certificate
Sale price¥15,800
American red beryl 0.080ct loose
Sale price¥39,800
Sunstone (Illusion Sunstone) 1.934ct Loose
Sale price¥8,800
Tanzania Bicolor Zoisite 6.9mm/1.365ct Loose Stone
Sale price¥24,800
Tanzania Bicolor Zoisite 7.0mm/1.538ct Loose Stone
Sale price¥29,800
Myanmar red spinel rough stone 0.272ct
Sale price¥11,000
Myanmar red spinel rough stone 0.466ct
Sale price¥18,800
Myanmar red spinel rough stone 0.236ct
Sale price¥9,800
Myanmar red spinel rough stone 0.368ct
Sale price¥9,800
Myanmar red spinel rough stone 0.271ct
Sale price¥12,800
Brazilian alexandrite 0.078ct loose
Sale price¥29,800
Tanzanite from Tanzania 6.5mm/1.026ct loose stone
Sale price¥35,800
Tanzanite from Tanzania 1.384ct loose stone
Sale price¥35,800
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.
