Cambodian Blue Zircon 1.609ct Loose
Sale price¥18,800
Conch pearl (with flame pattern) 2.293ct loose
Sale price¥29,800
Conch pearl 1.770ct loose (pink white)
Sale price¥14,800
Mexican egg-in-opal 0.865ct loose stone
Sale price¥14,800
Mexican egg-in-opal 1.243ct loose stone
Sale price¥14,800
Mexican egg-in-opal 1.582ct loose stone
Sale price¥18,800
《Yurakucho Marui 2024112 takeout》Australian black opal 0.676ct loose
Sale price¥15,800
Brazilian Imperial Topaz 0.402ct Loose Stone
Sale price¥11,000
Brazilian Imperial Topaz 0.746ct Loose
Sale price¥18,800
Brazilian Imperial Topaz 0.826ct Loose
Sale price¥19,800
《Yurakucho Marui 2024112 takeout》Mexican fire opal 1.348ct loose
Sale price¥19,800
Mexican Fire Opal 1.891ct Loose
Sale price¥24,800
Mexican Cantera Opal 11.325ct Loose
Sale price¥15,800
Mexican Cantera Opal 15.195ct Loose
Sale price¥18,800
Afghanistan indigolite tourmaline 1.264ct loose stone
Sale price¥12,800
Afghanistan indigolite tourmaline 1.729ct loose stone
Sale price¥15,800
Afghanistan indigolite tourmaline 1.732ct loose stone
Sale price¥15,800
Afghanistan indigolite tourmaline 1.732ct loose stone
Sale price¥15,800
Mexican egg-in-opal 0.672ct loose stone
Sale price¥12,800
Kenyan illusion chrome tourmaline 2.141ct loose stone
Sale price¥22,800
Tanzanian Mandarin Garnet 0.369ct Loose Stone
Sale price¥24,800
Brazilian Imperial Topaz 0.357ct Loose Stone
Sale price¥12,800
Brazilian Imperial Topaz 0.349ct Loose Stone
Sale price¥12,800
Brazilian Paraiba tourmaline in quartz 0.871ct loose
Sale price¥18,800
Ruby 0.106ct loose
Sale price¥12,800
Mint green diamond (treated) 0.101ct loose (SI class equivalent)
Sale price¥15,800
Bicolor tourmaline 0.724ct loose stone
Sale price¥14,800
Vietnam unheated silky pink sapphire 0.437ct loose stone
Sale price¥14,800
0.372ct loose purple sapphire from Windsor, Tanzania
Sale price¥14,800
Australian black opal 0.959ct loose stone
Sale price¥18,800
Synthetic rutile 1.210ct loose stone
Sale price¥24,800
YAG (Yttrium Aluminum Garnet) 1.171ct loose stone
Sale price¥14,800
YAG (Yttrium Aluminum Garnet) 1.357ct loose stone
Sale price¥16,800
Zoisite 0.681ct loose stone
Sale price¥12,800
Green Zoisite 0.703ct Loose Stone
Sale price¥22,800
《Yurakucho Marui 2024112 takeout》Tanzanite 0.781ct loose stone
Sale price¥15,800
Nigerian Star Enstatite 0.880ct Loose Stone
Sale price¥14,800
Zoisite 1.290ct loose stone
Sale price¥19,800
Synthetic Moissanite 10mm/3.873ct Loose Stone
Sale price¥18,800
[Mr. Sanje] Synthetic moissanite 4.192ct loose stone
Sale price¥25,800
[Rouge cut] Chalcedony 6.966ct loose stone
Sale price¥12,800
Australian Opal 1.203ct Loose
Sale price¥12,800
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.