Blue Topaz 4.5mm/0.422ct Loose
Sale price¥3,980
Kenyan tsavorite 0.247ct loose
Sale price¥8,800
Tsavorite 0.231ct loose
Sale price¥7,980
Kenyan tsavorite 0.257ct loose
Sale price¥7,980
Prehnite 5.3mm/0.469ct loose
Sale price¥4,980
Orange zircon 0.453ct loose
Sale price¥4,980
Zircon 0.414ct loose
Sale price¥4,980
Brazilian emerald cat's eye 0.459ct loose
Sale price¥6,980
Diamond 0.109ct loose (F, SI1)
Sale price¥22,800
Paraiba tourmaline from Brazil 0.129ct loose (CuO:0.8%,MnO:0.1%)
Sale price¥48,800
Paraiba tourmaline from Brazil 0.101ct loose (CuO:0.9%,MnO:0.1%)
Sale price¥39,800
Taaffeite from Myanmar 0.218ct loose
Sale price¥27,800
Paraiba tourmaline from Brazil 0.211ct loose (CuO:0.6%,MnO:3.1%)
Sale price¥49,800
Blue tourmaline from Afghanistan 0.311ct loose
Sale price¥9,800
Blue tourmaline from Afghanistan 0.213ct loose
Sale price¥5,980
Blue tourmaline from Afghanistan 0.209ct loose
Sale price¥6,980
Blue tourmaline from Afghanistan 3.5mm/0.178ct loose
Sale price¥6,980
Paraiba tourmaline from Brazil 0.219ct loose (CuO:0.9%,MnO:0.2%)
Sale price¥88,800
Yellow tourmaline 0.431ct loose stone
Sale price¥5,980
Color change sapphire 0.283ct loose
Sale price¥4,980
Color change sapphire 0.401ct loose
Sale price¥6,980
Bicolor Benitoite 0.194ct loose (square cut)
Sale price¥128,000
Green tourmaline from Mozambique 0.490ct loose
Sale price¥18,800
Lavender spinel 0.305ct loose
Sale price¥7,980
Bicolor Benitoite 0.282ct loose
Sale price¥220,000
Color change sapphire 0.351ct loose
Sale price¥4,980
Brazilian blue tourmaline 0.376ct loose
Sale price¥8,800
Brazilian Alexandrite 0.35ct Ruth (Hemachita Mine) GIA
Sale price¥158,000
Salt and pepper diamond 0.383ct loose
Sale price¥17,800
Salt and pepper diamond 0.366ct loose
Sale price¥15,800
Morganite 0.445ct loose
Sale price¥7,980
Morganite 0.405ct loose
Sale price¥8,800
Grandidierite 0.206ct loose
Sale price¥22,800
Mali Garnet (Grossular/Andradite Garnet) 4.5mm/0.498ct Loose
Sale price¥9,800
Mali Garnet (Grossular/Andradite Garnet) 4.5mm/0.497ct Loose
Sale price¥9,800
UV type mint garnet 0.435ct loose
Sale price¥5,980
Brazilian Paraiba tourmaline 0.370ct loose (CuO:1.0%, MnO:1.2%)
Sale price¥69,800
Spinel 3 stone set 0.328ct loose
Sale price¥5,980
Paraiba tourmaline from Mozambique 0.351ct loose
Sale price¥19,800
Paraiba tourmaline from Mozambique 0.266ct loose
Sale price¥29,800
Unheated Brazilian Paraiba tourmaline 0.108ct loose
Sale price¥128,000
Bicolor tanzanite 0.492ct raw stone from Tanzania
Sale price¥8,800
Euclase from Zimbabwe 0.409ct loose
Sale price¥59,800
Paraiba tourmaline from Brazil 0.144ct loose (CuO:0.9%,MnO:2.8%)
Sale price¥55,800
Bicolor tourmaline 0.418ct loose
Sale price¥5,980
Gray spinel 0.293ct loose (platinum spinel)
Sale price¥5,980
Blue green spinel 0.263ct loose
Sale price¥6,980
Bekily Blue Garnet from Madagascar (color change garnet) 0.346ct loose
Sale price¥25,800
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.
