Paraiba tourmaline from Brazil 0.019ct loose (CuO:1.6%, MnO:1.5%)
Sale price¥12,800
Brazilian Paraiba tourmaline 0.017ct loose (CuO:2.1%, MnO:0.9%)
Sale price¥14,800
Jeremejevite 0.094ct loose
Sale price¥8,800
Jeremejevite 0.055ct loose
Sale price¥8,800
Diamond 0.065ct loose (equivalent to VS class)
Sale price¥12,800
Diamond 0.054ct loose (VS class equivalent, emerald cut)
Sale price¥12,800
Diamond 0.054ct loose (SI class equivalent, emerald cut)
Sale price¥7,980
Diamond 0.049ct loose (VS class equivalent, emerald cut)
Sale price¥9,800
Colombian emerald cat's eye 0.094ct loose
Sale price¥11,800
Colombian emerald cat's eye 0.093ct loose
Sale price¥12,800
Colombian emerald cat's eye 0.087ct loose
Sale price¥9,800
Colombian emerald cat's eye 0.084ct loose
Sale price¥11,000
Colombian emerald cat's eye 0.065ct loose
Sale price¥8,800
Russian demantoid garnet (horsetail recognized) 2mm/0.055ct loose
Sale price¥9,800
Russian demantoid garnet (horsetail recognized) 2mm/0.053ct loose
Sale price¥9,800
Paraiba tourmaline from Brazil 0.047ct loose (CuO:2.2%, MnO:3.5%)
Sale price¥18,800
Paraiba tourmaline from Brazil 0.054ct loose (CuO:1.2%, MnO:3.1%)
Sale price¥19,800
FANCY VIVID ORANGY YELLOW, SI-1
Sale price¥22,800
Brazilian alexandrite 0.091ct loose
Sale price¥18,800
Cobalt Garnite 0.087ct loose (sugar loaf cut)
Sale price¥6,980
Colombian emerald cat's eye 0.083ct loose
Sale price¥8,800
Colombian emerald cat's eye 0.079ct loose
Sale price¥11,800
Colombian emerald cat's eye 0.078ct loose
Sale price¥8,800
Colombian emerald cat's eye 0.061ct loose
Sale price¥12,800
Red beryl 0.098ct loose
Sale price¥22,800
Red beryl 0.059ct loose
Sale price¥12,800
Red beryl 0.054ct loose
Sale price¥13,800
Yellow diamond 2.6mm loose (equivalent to VS class)
Sale price¥15,800
Bicolor Benitoite 0.067ct loose
Sale price¥25,800
Benitoite 0.076ct loose
Sale price¥25,800
Benitoite 0.075ct loose
Sale price¥25,800
Benitoite 0.074ct loose
Sale price¥19,800
Benitoite 0.052ct loose
Sale price¥19,800
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.