[Mr. Sanjay] Synthetic moissanite 0.491ct loose
Sale price¥5,980
Afghanite 0.230ct loose
Sale price¥18,800
Afghanite 0.163ct loose
Sale price¥12,800
Paraiba tourmaline from Brazil 0.055ct loose (CuO:1.5%,MnO:3.2%)
Sale price¥45,800
Paraiba tourmaline from Brazil 0.066ct loose (CuO:1.7%,Mn0:2.1%)
Sale price¥35,800
《Yurakucho Marui 2024112 takeout》Myanmar Forsterite 0.397ct loose stone
Sale price¥19,800
Hauinite 0.074ct loose
Sale price¥19,800
Montana Sapphire 0.119ct loose
Sale price¥16,800
Spinel from Sri Lanka 0.490ct loose (green blue)
Sale price¥19,800
《Yurakucho Marui 2024112 takeout》Malawi sapphire 3mm/0.144ct loose stone
Sale price¥22,800
Montana Sapphire 3mm/0.154ct loose
Sale price¥22,800
South African green diamond rough (makeable) 0.298ct loose
Sale price¥79,800
Colombian Trapiche Emerald (Reverse Trapiche) 0.329ct Rough Stone
Sale price¥39,800
Wurzite 0.224ct loose Japanese-German book
Sale price¥55,800
Paraiba tourmaline from Brazil 0.252ct loose (CuO:0.9%, MnO:2.0%)
Sale price¥39,800
Gold Sheen Sapphire 4mm/0.409ct loose
Sale price¥29,800
Paudretite from Myanmar 0.193ct loose sunflower beads
Sale price¥39,800
Paudrettite from Myanmar 0.071ct loose sunflower beads
Sale price¥15,800
Paudretite from Myanmar 0.056ct loose sunflower beads
Sale price¥12,800
Synthetic moissanite 0.245ct loose (shield cut)
Sale price¥8,800
Paraiba tourmaline from Brazil 0.265ct loose (CuO:0.7%, MnO:3.0%)
Sale price¥39,800
Montana Sapphire 1.9mm/0.033ct loose
Sale price¥6,980
Malawi sapphire 3mm/0.128ct loose
Sale price¥18,800
Brazilian rainbow scapolite 3mm/0.101ct loose (rose cut)
Sale price¥4,980
Brazilian rainbow scapolite 3mm/0.120ct loose (rose cut)
Sale price¥4,980
Brazilian rainbow scapolite 3mm/0.133ct loose (rose cut)
Sale price¥3,980
Hauinite 0.081ct loose
Sale price¥19,800
《Yurakucho Marui 2024112 takeout》Aventurine 0.070ct loose stone
Sale price¥15,800
Andalusite from Sri Lanka 0.408ct loose
Sale price¥6,980
Andalusite from Sri Lanka 0.361ct loose
Sale price¥6,980
Russian demantoid garnet (horsetail recognized) 4.5mm/0.423ct loose
Sale price¥88,000
Brazilian Paraiba tourmaline 0.229ct loose (CuO:0.8%, MnO:2.2%)
Sale price¥45,800
Ruby 0.182ct loose
Sale price¥8,800
Ruby 0.209ct loose
Sale price¥8,800
Pink sapphire from Greenland 4.3mm/0.465ct loose with certificate
Sale price¥8,800
Ice ruby (pink sapphire) from Greenland 0.416ct loose with certificate
Sale price¥18,800
Pink sapphire from Greenland 0.336ct loose with certificate
Sale price¥15,800
Ruby from Greenland 0.268ct loose with certificate
Sale price¥19,800
Ruby from Greenland 0.432ct loose with certificate
Sale price¥39,800
Ruby from Greenland 0.421ct loose with certificate
Sale price¥29,800
Pink sapphire from Greenland 0.466ct loose with certificate
Sale price¥24,800
Pink sapphire from Greenland 0.275ct loose with certificate
Sale price¥18,800
Ruby from Greenland 0.307ct loose with certificate
Sale price¥18,800
Benitoite 2.4mm/0.077ct 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.