Tanzanite from Tanzania 1.295ct loose stone
Sale price¥29,800
Tanzanite from Tanzania 0.789ct loose stone
Sale price¥18,800
Brazilian Green Tourmaline 0.757ct Loose Stone
Sale price¥39,800
Brazilian Green Tourmaline 1.333ct Loose Stone
Sale price¥49,800
Brazilian Green Tourmaline 0.935ct Loose Stone
Sale price¥45,800
Brazilian Green Tourmaline 1.193ct Loose Stone
Sale price¥49,800
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.365ct Loose Stone
Sale price¥18,800
Cobalt spinel from Tanzania 0.284ct loose Japanese and German
Sale price¥49,800
Oregon Sunstone from the United States 1.625ct loose stone
Sale price¥29,800
Oregon Sunstone from the United States 0.941ct loose stone
Sale price¥29,800
Oregon Sunstone from the United States 0.976ct loose stone
Sale price¥12,800
Pink spinel 3.8mm/0.276ct loose stone
Sale price¥6,980
Vietnam unheated silky pink sapphire 0.421ct loose stone
Sale price¥29,800
Paraiba tourmaline from Brazil 0.134ct loose (CuO:0.9%,MnO:0.2%)
Sale price¥49,800
Bicolor Benitoite 0.601ct Loose Japanese-German Edition
Sale price¥458,000
Nigerian Green Beryl 1.349ct Loose Stone
Sale price¥98,000
Australian black opal 0.675ct loose stone
Sale price¥24,800
Madagascar Purple Sapphire 0.232ct Loose
Sale price¥12,800
Australian Boulder Opal 0.768ct Loose
Sale price¥12,800
Colombian emerald cat's eye 0.690ct loose stone
Sale price¥39,800
Brazilian Paraiba Tourmaline 0.208ct loose stone
Sale price¥49,800
Brazilian Paraiba Tourmaline 0.211ct loose stone
Sale price¥49,800
Indian Rainbow Quartz (Iridescent Quartz) 0.940ct Loose Stone
Sale price¥158,000
Tanzanian bicolor sapphire 0.818ct loose stone (tricolor sapphire)
Sale price¥198,000
Diamond 3.6mm/0.189ct loose (cabochon cut, bicolor fluorescent)
Sale price¥49,800
Diamond 0.128ct loose stone (cabochon cut, maroon cut)
Sale price¥39,800
Madagascar pink sapphire 0.307ct loose stone
Sale price¥12,800
Spanish Andalusite 0.776ct loose stone
Sale price¥11,800
Russian Phenakite 5mm/0.448ct Loose Stone Japan-Germany
Sale price¥18,800
Russian Phenakite 5mm/0.477ct Loose Stone
Sale price¥18,800
Colombian pyrite-mica emerald 0.244ct loose stone
Sale price¥12,800
Colombian Mica in Emerald 0.341ct Loose Stone
Sale price¥18,800
Colombian pyrite-mica emerald 0.562ct loose stone
Sale price¥29,800
Colombian pyrite-mica emerald 0.594ct loose stone
Sale price¥29,800
Colombian pyrite-mica emerald 0.739ct loose stone
Sale price¥36,800
Colombian pyrite-mica emerald 0.628ct loose stone
Sale price¥35,800
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.