Spodumene 1.844ct loose stone
Sale price¥12,800
Indian Moonstone 1.105ct Loose
Sale price¥8,800
Synthetic Opal (Synthetic Black Opal) 1.467ct Loose
Sale price¥12,800
Synthetic Opal (Synthetic Black Opal) 1.532ct Loose
Sale price¥15,800
[E_27 Yurakucho Marui Take-out] Spanish Sphalerite 1.609ct Loose
Sale price¥19,800
Mexican Opal (Faceted Cut) 1.052ct Loose
Sale price¥19,800
Mexican Fire Opal 1.670ct Loose
Sale price¥29,800
Tanzanian Purple Tourmaline 1.230ct Loose Stone
Sale price¥8,800
Brazilian bicolor tourmaline 1.953ct loose stone
Sale price¥18,800
Mexican Opal 1.028ct Loose
Sale price¥15,800
Oregon Sunstone from the United States 1.331ct loose stone
Sale price¥12,800
Mexican Opal 1.639ct Loose (Contralus Opal)
Sale price¥29,800
Tibetan bicolor andesine 1.431ct loose stone
Sale price¥12,800
Brazilian bicolor tourmaline 1.660ct loose stone
Sale price¥29,800
Oregon Sunstone from the United States 1.100ct loose stone
Sale price¥12,800
Tanzanian bicolor tanzanite 1.644ct rough and loose stone set of 2
Sale price¥8,800
[Dandelion Cut] Brazilian Pink Tourmaline 7mm Loose Patch
Sale price¥55,800
Mexican Opal 8.8mm/1.640ct Loose
Sale price¥29,800
Brazilian bicolor tourmaline 1.020ct loose stone
Sale price¥19,800
Brazilian bicolor tourmaline 1.020ct loose stone
Sale price¥15,800
Brazilian bicolor tourmaline 1.010ct loose stone
Sale price¥12,800
Mexican Fire Opal 8.0mm/1.270ct Loose
Sale price¥29,800
Tanzanian Yellow Beryl 1.750ct Loose Stone
Sale price¥15,800
Mexican Fire Opal (Faceted) 1.961ct Loose
Sale price¥29,800
Mexican Fire Opal 1.755ct Loose
Sale price¥29,800
Mexican Fire Opal 1.341ct Loose
Sale price¥39,800
Indian Moonstone 8.2mm/1.823ct Loose
Sale price¥14,800
Brazilian bicolor tourmaline 1.177ct loose stone
Sale price¥12,800
Colombian Trapiche Emerald 1.341ct Loose
Sale price¥6,980
Tanzanian Blue Spinel 1.028ct Loose Stone
Sale price¥39,800
Tanzanite from Tanzania 1.36ct loose stone
Sale price¥49,800
Color shift amethyst 1.216ct loose stone
Sale price¥8,800
Madagascar Apatite 1.038ct Loose
Sale price¥12,800
Madagascar sphene 1.386ct loose stone
Sale price¥12,800
Spanish Sphalerite 7mm/1.676ct loose stone
Sale price¥35,800
Brazilian Morganite 1.296ct loose stone
Sale price¥8,800
Sri Lankan Hessonite Garnet 1.048ct Loose Stone
Sale price¥8,800
Pakistan Ruby in Quartz 1.429ct Loose Stone
Sale price¥12,800
YAG (Yttrium Aluminum Garnet) 7.0mm/1.772ct loose stone
Sale price¥9,800
Brazilian bicolor tourmaline 1.242ct loose stone
Sale price¥15,800
Brazilian bicolor tourmaline 1.209ct loose stone
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.