Madagascar sphene 0.665ct loose stone
Sale price¥12,800
Tanzanian Kornerupine 0.233ct loose stone
Sale price¥14,800
Tanzanian Kornerupine 0.202ct loose stone
Sale price¥18,800
[10/2 22:00 Sale] Nigerian Cobalt Garnite 0.707ct Loose Stone JTL Grade
Sale price¥29,800
[10/2 22:00 Sale] Nigerian Cobalt Garnite 0.179ct Loose Stone JTL Grade
Sale price¥15,800
Paraiba tourmaline from Brazil 0.048ct loose
Sale price¥29,800
Paraiba tourmaline from Brazil 0.051ct loose
Sale price¥29,800
Paraiba tourmaline from Brazil 0.052ct loose
Sale price¥29,800
Paraiba tourmaline from Brazil 0.047ct loose
Sale price¥29,800
Pakistani Lazurite (Azurite) 0.061ct Loose Stone
Sale price¥12,800
Colombian emerald rough stone 1.707ct
Sale price¥18,800
Colombian pyrite-mica emerald 0.594ct loose stone
Sale price¥29,800
Colombian pyrite-mica emerald 0.562ct loose stone
Sale price¥29,800
Colombian pyrite-mica emerald 0.244ct loose stone
Sale price¥12,800
Russian Phenakite 5mm/0.477ct Loose Stone
Sale price¥18,800
Spanish Andalusite 0.776ct loose stone
Sale price¥11,800
Madagascar pink sapphire 0.307ct loose stone
Sale price¥12,800
Australian Boulder Opal 0.768ct Loose
Sale price¥12,800
Australian black opal 0.675ct loose stone
Sale price¥24,800
Cornelpine from Tanzania 1.010ct loose
Sale price¥29,800
Vietnam unheated silky pink sapphire 0.421ct loose stone
Sale price¥29,800
Peruvian Blue Opal 2.530ct Loose
Sale price¥19,800
Oregon Sunstone from the United States 0.976ct loose stone
Sale price¥12,800
Oregon Sunstone from the United States 0.941ct loose stone
Sale price¥29,800
Oregon Sunstone from the United States 1.625ct loose stone
Sale price¥29,800
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.365ct Loose Stone
Sale price¥18,800
Tanzanite from Tanzania 0.789ct loose stone
Sale price¥18,800
Tanzanite from Tanzania 0.567ct loose stone
Sale price¥14,800
Tanzanite from Tanzania 0.767ct loose stone
Sale price¥29,800
Chameleon Diamond 0.057ct Loose (FANCY LIGHT GRAY GREEN, SI2)
Sale price¥29,800
[Koshu Precious Stone Cutting Pluethree] Yellow Beryl 0.880ct Loose
Sale price¥29,800
[Koshu Precious Stones plusthree] Amethyst 4.306ct Loose Stone Patch
Sale price¥25,800
Tanzanite from Tanzania 0.800ct loose stone
Sale price¥25,800
Sri Lankan Goethite Topaz 4.992ct Loose Stone
Sale price¥14,800
Brazilian bicolor euclase 0.572ct loose stone
Sale price¥24,800
Brazilian bicolor euclase 0.291ct loose stone
Sale price¥15,800
Brazilian bicolor euclase 0.157ct loose stone
Sale price¥14,800
Brazilian bicolor euclase 0.168ct loose stone
Sale price¥25,800
Brazilian Pompon Quartz (Radiated Crystal in Quartz) 7.686ct Loose
Sale price¥15,800
Brazilian Alexandrite 0.052ct loose stone
Sale price¥13,800
Brazilian bicolor euclase 0.233ct loose stone
Sale price¥24,800
Brazilian bicolor euclase 0.212ct loose stone
Sale price¥15,800
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.