Brazilian Dendritic Quartz 3.376ct Loose Stone
Sale price¥8,800
Brazilian dendritic quartz 2.381ct loose stone
Sale price¥7,980
Brazilian dendritic quartz 2.174ct loose stone
Sale price¥6,980
Cambodian colorless zircon 0.676ct loose stone (orange fluorescence)
Sale price¥6,980
Cambodian colorless zircon 1.149ct loose stone (orange fluorescence)
Sale price¥12,800
Cambodian colorless zircon 1.218ct loose stone (orange fluorescence)
Sale price¥12,800
Afghanistan Lapis Lazuli 5.085ct Loose Stone
Sale price¥9,800
Brazilian Petalite 0.615ct loose stone
Sale price¥6,980
Brazilian Dalmatian Quartz 2.041ct Loose Stone
Sale price¥12,800
Spodumene 1.844ct loose stone
Sale price¥12,800
Blue beryl (Macis beryl) 0.162ct loose stone
Sale price¥8,800
Sri Lankan Yellow Sapphire 0.221ct Loose
Sale price¥9,800
Indian Moonstone 1.105ct Loose
Sale price¥8,800
Mexican Opal (Faceted Cut) 0.550ct Loose
Sale price¥25,800
Madagascar Padparadscha Sapphire 0.310ct Loose GIA
Sale price¥49,800
Synthetic Moissanite 10mm/4.147ct Loose Stone
Sale price¥16,800
Sri Lankan purple spinel 0.864ct loose stone
Sale price¥29,800
Blue sapphire 0.217ct loose stone
Sale price¥15,800
Brazilian bicolor tourmaline 1.953ct loose stone
Sale price¥18,800
Oregon Sunstone from the United States 1.331ct loose stone
Sale price¥12,800
[Sakura Shape] Mexican Opal 2.551ct Loose Patch
Sale price¥59,800
[Takeshi Yamamoto] Bicolor fluorite 15.624ct loose stone
Sale price¥45,800
[Takeshi Yamamoto] Rose quartz 25.017ct loose stone
Sale price¥59,800
[Takeshi Yamamoto] Ametrine 20.856ct loose stone
Sale price¥98,000
[Takeshi Yamamoto] Rock crystal 78.580ct loose stone
Sale price¥98,000
Cambodian Yellow Zircon 4.8mm/0.662ct Loose Stone
Sale price¥8,800
Synthetic Opal (Synthetic Black Opal) 0.651ct Loose
Sale price¥15,800
Mexican Cantera Opal 3.604ct Loose
Sale price¥7,980
Sri Lankan Yellow Sapphire 0.226ct Loose
Sale price¥8,800
Blue Beryl (Macisi Beryl) 3.5mm/0.158ct loose stone
Sale price¥8,800
Indian Moonstone 8.2mm/1.823ct Loose
Sale price¥14,800
Australian Prehnite 5.398ct loose stone
Sale price¥12,800
Tanzanian Blue Spinel 1.028ct Loose Stone
Sale price¥39,800
Emerald 0.484ct loose
Sale price¥18,800
Emerald 0.156ct loose stone
Sale price¥8,800
Color shift amethyst 4.191ct loose stone
Sale price¥14,800
Tanzanite from Tanzania 0.351ct loose stone
Sale price¥9,800
Tanzania Green Zoisite 0.335ct Loose Stone
Sale price¥12,800
Tanzanite from Tanzania 0.298ct loose stone
Sale price¥9,800
Tanzanite from Tanzania 0.250ct loose stone
Sale price¥7,980
Tanzanite from Tanzania 0.326ct loose stone
Sale price¥8,800
Tanzania Bicolor Zoisite 0.320ct Loose Stone
Sale price¥7,980
Ruby 0.245ct loose
Sale price¥11,800
Ruby 0.254ct loose stone
Sale price¥8,800

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.