[On sale at 22:00 on 5/13] Brazilian aquamarine 0.362ct loose stone
Sale price¥8,800
[On sale 5/3 at 22:00] Brazilian pink tourmaline 0.361ct loose stone
Sale price¥9,800
[On sale at 10pm on 4/23] Tibetan Red Andesine 1.080ct Loose Stone
Sale price¥8,800
Tanzanite from Tanzania 0.725ct loose stone
Sale price¥9,800
Tanzanite from Tanzania 0.338ct loose stone
Sale price¥8,800
Russian Phenakite 0.416ct Loose Stone
Sale price¥16,800
Brazilian White Chalcedony 0.925ct Loose Stone
Sale price¥5,980
Nigerian Morganite 0.916ct loose stone
Sale price¥9,800
Sri Lankan Blue Spinel 0.153ct Loose Stone
Sale price¥8,800
Tanzanite from Tanzania 0.539ct loose stone
Sale price¥12,800
Tanzanite from Tanzania 0.580ct loose stone
Sale price¥14,800
Oregon Sunstone from the United States 1.198ct loose stone
Sale price¥8,800
Tanzania Bicolor Zoisite 2.603ct Loose Stone
Sale price¥88,800
Sri Lankan bicolor sapphire 0.390ct loose stone
Sale price¥12,800
Madagascar Andalusite 0.542ct loose stone
Sale price¥8,800
South African Rhodochrosite 0.325ct Loose Stone
Sale price¥29,800
Paraiba Tourmaline from Mozambique 0.507ct loose stone
Sale price¥22,800
Synthetic Opal (Synthetic Black Opal) 0.723ct Loose
Sale price¥15,800
Sri Lankan Yellow Sapphire 0.253ct Loose
Sale price¥8,800
Sri Lankan Yellow Sapphire 0.543ct Loose
Sale price¥29,800
Bekiri Blue Garnet (Color Change Garnet) from Madagascar 0.170ct Loose
Sale price¥18,800
Afghanistan Stibiotantalite 0.334ct Loose Stone, Japan-Germany Mirror
Sale price¥98,000
Oregon Sunstone from the United States 0.941ct loose stone
Sale price¥29,800
Madagascar pink sapphire 0.307ct loose stone
Sale price¥12,800
Nigerian Cobalt Garnite 0.536ct Loose Stone JTL Catalog
Sale price¥29,800
Zimbabwean Apatite (UV type) 0.209ct loose stone
Sale price¥4,980
Madagascar Yellow Sapphire 0.863ct Loose
Sale price¥18,800
Cassiterite 1.658ct loose stone (bicolor cassiterite) Japan-Germany exchange
Sale price¥128,000
Brazilian Dolomite 4.070ct Loose Stone, Japan-Germany Mirror
Sale price¥98,000
Brazilian Dendritic Agate 1.679ct Loose Stone
Sale price¥8,800
Madagascar sapphire 0.448ct loose stone
Sale price¥19,800
Bekily Blue Garnet (color change garnet) 0.114ct loose
Sale price¥11,800
Bekiri Blue Garnet (Color Change Garnet) 0.106ct Loose Stone
Sale price¥9,800
Paraiba Tourmaline from Mozambique 0.171ct loose stone
Sale price¥8,980
Myanmar orange spinel 0.377ct loose stone
Sale price¥15,800
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.352ct Loose Stone
Sale price¥39,800
Brazilian Paraiba Tourmaline 0.062ct loose stone (CuO: 2.2%, MnO: 4.4%)
Sale price¥29,800
Benitoite 0.154ct loose
Sale price¥118,000

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.