Blue Beryl (Macisi Beryl) 3.5mm/0.158ct loose stone
Sale price¥8,800
Indian Moonstone 6.2mm/0.749ct Loose
Sale price¥7,980
Indian Moonstone 8.2mm/1.823ct Loose
Sale price¥14,800
Australian Prehnite 5.398ct loose stone
Sale price¥12,800
Unheated Mozambique Ruby 0.231ct Loose
Sale price¥25,800
Unheated Mozambique Ruby 0.220ct Loose
Sale price¥25,800
Brazilian rutilated quartz (rutile quartz) 12mm/7.140ct loose stone
Sale price¥9,800
Brazilian rutilated quartz (rutile quartz) 12mm/6.709ct loose stone
Sale price¥9,800
Oregon Sunstone from the United States 2.467ct loose stone
Sale price¥9,800
Sri Lankan Chrysoberyl Cat's Eye 0.532ct Loose Stone
Sale price¥5,980
Colombian emerald 3.5mm/0.150ct loose stone
Sale price¥22,800
American Red Beryl 3.0mm/0.080ct Loose Stone
Sale price¥39,800
Indian Alexandrite Cat's Eye 0.621ct Loose Stone
Sale price¥18,800
Brazilian Pink Tourmaline 0.960ct Loose Stone
Sale price¥15,800
Brazilian bicolor tourmaline 0.763ct loose stone
Sale price¥7,980
Brazilian bicolor tourmaline 1.177ct loose stone
Sale price¥12,800
Colombian Trapiche Emerald 1.341ct Loose
Sale price¥6,980
Myanmar Purple Spinel 0.514ct Loose Stone
Sale price¥8,800
Pakistani Lazurite (Azurite) 0.123ct loose stone
Sale price¥59,800
Paraiba tourmaline from Brazil 0.112ct loose
Sale price¥29,800
Brazilian Paraiba Tourmaline 0.181ct loose stone (CuO: 0.7%, MnO: 0.2%)
Sale price¥59,800
Tanzanian Blue Spinel 1.028ct Loose Stone
Sale price¥39,800
Mozambique Pink Spinel 0.550ct Loose
Sale price¥14,800
Tanzanian bicolor tanzanite 3.018ct rough and loose stone set of 2
Sale price¥6,980
Montana Sapphire 2.5mm/0.073ct Loose Stone (Blue Sapphire)
Sale price¥8,800
Montana Sapphire 3.3mm/0.158ct Loose (Green Sapphire)
Sale price¥15,800
Brazilian bicolor tourmaline 0.548ct loose stone
Sale price¥9,800
Brazilian Alexandrite 0.519ct loose stone (sugarloaf cut)
Sale price¥358,000
Non-Oil Emerald 1.070ct Loose Gübelin Certificate
Sale price¥698,000
Brazilian bicolor tourmaline 0.914ct loose stone
Sale price¥12,800
Tanzanite from Tanzania 1.36ct loose stone
Sale price¥49,800
Unheated Ruby 0.330ct Loose AIGS
Sale price¥35,800
Australian Opal 6.799ct Loose Stone, Japan-Germany Exchange
Sale price¥59,800
Pigeon Blood Ruby 0.280ct Loose AIGS
Sale price¥45,800
Brazilian Indigolite Tourmaline 0.626ct Loose Stone JTL
Sale price¥18,800
Burmese Ruby 0.418ct Loose Stone Japan-Germany
Sale price¥35,800
Burmese unheated ruby 0.245ct loose stone by Nikkei
Sale price¥39,800
Myanmar Ruby 0.283ct Loose
Sale price¥29,800
Madagascar sapphire 3.0mm/0.126ct loose stone
Sale price¥8,800
Burmese Ruby 0.239ct Loose
Sale price¥9,800
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.
