Spinel 0.323ct loose
Sale price¥3,980
Pink spinel 4.3mm/0.342ct loose
Sale price¥6,980
Pink spinel 3.8mm/0.192ct loose
Sale price¥5,980
Purple spinel 0.455ct loose
Sale price¥5,980
Purple spinel 0.373ct loose
Sale price¥5,980
Purple spinel 0.324ct loose
Sale price¥3,980
Medusa Quartz (Paraiba Quartz) 1.855ct loose
Sale price¥25,800
Russian emerald 0.712ct loose
Sale price¥59,800
Montana Sapphire 0.305ct loose (green sapphire)
Sale price¥9,800
Montana Sapphire 0.235ct loose (yellow sapphire)
Sale price¥8,800
Montana Sapphire 0.259ct loose (bicolor sapphire)
Sale price¥9,800
Montana Sapphire 0.304ct loose (yellow sapphire)
Sale price¥9,800
Montana Sapphire 0.291ct loose (green sapphire)
Sale price¥11,800
Montana Sapphire 0.290ct loose (yellow sapphire)
Sale price¥9,800
Montana Sapphire 0.242ct Loose (Yellow Sapphire)
Sale price¥8,800
Montana Sapphire (Montana Sapphire) 0.210ct Loose
Sale price¥8,800
Montana Sapphire 0.458ct Loose (Bi-Color Sapphire)
Sale price¥14,800
Montana Sapphire 0.416ct Loose (Bi-Color Sapphire)
Sale price¥12,800
Indian Alexandrite Cat's Eye 0.374ct Loose Stone
Sale price¥7,980
Indian Alexandrite Cat's Eye 0.302ct Loose Stone
Sale price¥8,800
Myanmar color change zircon 1.00ct loose (reverse color change)
Sale price¥69,800
Madeira citrine 0.170ct loose stone from Yurakucho Marui 2024112
Sale price¥5,980
Montana Sapphire 0.515ct loose (bicolor sapphire)
Sale price¥19,800
Montana Sapphire 0.361ct loose (yellow sapphire)
Sale price¥14,800
Montana Sapphire 0.561ct loose (bicolor sapphire)
Sale price¥22,800
Montana Sapphire 0.443ct loose (green sapphire)
Sale price¥15,800
Montana Sapphire 0.397ct loose (bicolor sapphire)
Sale price¥15,800
Montana Sapphire 0.308ct loose (bicolor sapphire)
Sale price¥14,800
Montana sapphire 0.359ct loose (blue sapphire)
Sale price¥15,800
Montana Sapphire 0.449ct loose (bicolor sapphire)
Sale price¥17,800
Montana Sapphire 0.518ct loose (blue sapphire)
Sale price¥22,800
Brazilian dendritic quartz 1.775ct loose
Sale price¥3,980
Australian rainbow lattice sunstone 1.280ct loose
Sale price¥8,800
Australian rainbow lattice sunstone 1.143ct loose
Sale price¥3,980
Australian rainbow lattice sunstone 0.980ct loose
Sale price¥5,980
Australian rainbow lattice sunstone 0.506ct loose
Sale price¥3,980
Australian rainbow lattice sunstone 0.609ct loose
Sale price¥5,980
Australian rainbow lattice sunstone 0.491ct loose
Sale price¥5,980
Australian Rainbow Lattice Sunstone 1.013ct Loose
Sale price¥5,980
Australian Rainbow Lattice Sunstone 1.635ct Loose
Sale price¥8,800
Indian alexandrite cat's eye 0.422ct loose
Sale price¥12,800
Indian alexandrite cat's eye 0.395ct loose
Sale price¥9,800
Indian alexandrite cat's eye 0.267ct loose
Sale price¥8,800
[Mr. Sanjay] Oregon Sunstone 0.551ct Ruth
Sale price¥9,800
Spanish Andalusite 0.645ct loose stone
Sale price¥8,800
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.