Pakistani oil-in quartz 0.535ct loose
Sale price¥18,800
Brazilian dumortierite in quartz 1.906ct loose (faceted cut)
Sale price¥25,800
Brazilian dumortierite in quartz 2.227ct loose (faceted cut)
Sale price¥25,800
Brazilian dumortierite in quartz 0.979ct loose (faceted cut)
Sale price¥14,800
Brazilian dumortierite in quartz 1.060ct loose (faceted cut)
Sale price¥15,800
Brazilian ametrine 8.763ct loose
Sale price¥9,800
Brazilian ametrine 8.849ct loose
Sale price¥12,800
Phenakite from Madagascar 0.766ct loose
Sale price¥9,800
Benitoite 0.123ct loose (emerald cut)
Sale price¥39,800
Benitoite 0.104ct loose (emerald cut)
Sale price¥29,800
Benitoite 0.107ct loose (emerald cut)
Sale price¥35,800
Bicolor Benitoite 0.130ct loose (emerald cut)
Sale price¥65,800
Benitoite 2.5mm/0.065ct loose
Sale price¥17,800
《Yurakucho Marui 2024112 Carry-out》Benitoite 2.5mm/0.079ct loose stone
Sale price¥23,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 4.600ct loose
Sale price¥18,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 5.326ct loose
Sale price¥19,800
Tibetan bicolor andesine 1.818ct loose
Sale price¥21,800
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
Benitoite 0.069ct loose
Sale price¥25,800
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 0.039ct loose
Sale price¥39,800
Paraiba tourmaline from Brazil 0.043ct 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
Benitoite 2.2mm/0.229ct loose
Sale price¥57,800
Benitoite 1.8mm/0.113ct loose
Sale price¥28,800
[Mr. Sanjay] Andalusite 0.604ct loose
Sale price¥6,980
[Mr. Sanjay] Kunzite 1.651ct loose
Sale price¥8,800
[Mr. Sanje] Brazilian green spodumene 2.132ct loose
Sale price¥12,800
[Mr. Sanje] Brazilian green spodumene 2.033ct loose
Sale price¥12,800
[Mr. Sanje] Brazilian green spodumene 1.999ct loose
Sale price¥12,800
[Mr. Sanje] Brazilian green spodumene 1.523ct loose
Sale price¥8,800
Bekily Blue Garnet from Madagascar (color change garnet) 0.297ct loose
Sale price¥19,800
Rhodochrosite 4.000ct loose from Detroit City
Sale price¥498,000
Opal 6mm/0.590ct loose (rose cut)
Sale price¥8,800
Sri Lankan star sapphire (4 rows) 1.473ct loose
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.