Benitoite 0.123ct loose (emerald cut)
Sale price¥39,800
Benitoite 0.107ct loose (emerald cut)
Sale price¥35,800
Benitoite 0.104ct loose (emerald cut)
Sale price¥29,800
Bicolor Benitoite 0.130ct loose (emerald cut)
Sale price¥65,800
Paraiba tourmaline from Mozambique 0.314ct loose
Sale price¥29,800
Paraiba tourmaline from Mozambique 0.416ct loose
Sale price¥39,800
Paraiba tourmaline from Mozambique 0.092ct loose
Sale price¥9,800
Unheated silky pink sapphire from Vietnam 0.161ct loose
Sale price¥7,980
South African yellow diamond (makeable) 0.202ct rough stone
Sale price¥17,800
South African yellow diamond (makeable) 0.193ct rough stone
Sale price¥9,800
South African gray diamond (makeable) 0.169ct rough stone
Sale price¥15,800
South African yellow diamond (makeable) 0.159ct rough stone
Sale price¥15,800
Paraiba tourmaline from Brazil 0.197ct loose
Sale price¥69,800
Paraiba tourmaline from Brazil 0.038ct loose
Sale price¥29,800
Paraiba tourmaline from Brazil 0.043ct loose
Sale price¥39,800
Paraiba tourmaline from Brazil 0.039ct loose
Sale price¥39,800
Paraiba tourmaline from Brazil 0.037ct loose
Sale price¥29,800
Paraiba tourmaline from Brazil 0.050ct loose
Sale price¥39,800
Paraiba tourmaline from Brazil 0.039ct loose
Sale price¥29,800
Paraiba tourmaline from Brazil 0.036ct loose
Sale price¥25,800
Colombian emerald 0.057ct loose (Mariposa)
Sale price¥14,800
Conch pearl (with flame pattern) 0.439ct loose
Sale price¥39,800
Conch pearl (with flame pattern) 0.387ct loose
Sale price¥39,800
Bekily Blue Garnet from Madagascar (color change garnet) 0.297ct loose
Sale price¥19,800
Opal 6mm/0.590ct loose (rose cut)
Sale price¥8,800
Diamond 3.3mm/0.137ct loose (G, VS1, Excellent H&C)
Sale price¥29,800
Sri Lankan star sapphire (4 rows) 1.473ct loose
Sale price¥79,800
Demantoid garnet 15.468ct rough stone from Madagascar
Sale price¥12,800
Demantoid garnet 20.693ct rough stone from Madagascar
Sale price¥12,800
Demantoid garnet 22.069ct rough stone from Madagascar
Sale price¥12,800
Demantoid garnet 38.035ct rough stone from Madagascar
Sale price¥12,800
Russian demantoid garnet (horsetail recognized) 0.378ct loose
Sale price¥39,800
Yellow diamond 0.212ct loose (FANCY DEEP ORANGY YELLOW, VS1)
Sale price¥45,800
Yellow diamond 0.088ct loose (FANCY INTENSE YELLOW, VS1)
Sale price¥19,800
Yellow diamond 0.155ct loose (FANCY VIVID ORANGY YELLOW, VS1)
Sale price¥47,800
Yellow diamond 0.291ct loose (FANCY INTENSE ORANGY YELLOW, SI2)
Sale price¥64,800
Yellow diamond 0.153ct loose (FANCY INTENSE YELLOW ORANGE, SI1)
Sale price¥38,800
Yellow diamond 0.188ct loose (FANCY INTENSE YELLOW, VS1)
Sale price¥47,800
Yellow diamond 0.211ct loose (FANCY INTENSE YELLOW, VS2)
Sale price¥55,800
Yellow diamond 0.245ct loose (FANCY INTENSE ORANGY YELLOW, SI1)
Sale price¥55,800
Colombian trapiche emerald (reverse trapiche) 3.6mm/0.168ct rough stone
Sale price¥19,800
Colombian trapiche emerald (reverse trapiche) 0.135ct rough stone
Sale price¥14,800
Colombian trapiche emerald (reverse trapiche) 3.4mm/0.132ct rough stone
Sale price¥14,800
Colombian trapiche emerald (reverse trapiche) 0.131ct rough stone
Sale price¥14,800
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.