Vietnam unheated silky pink sapphire 0.256ct loose stone
Sale price¥8,800
Vietnam unheated silky pink sapphire 0.437ct loose stone
Sale price¥14,800
Ruby 0.106ct loose
Sale price¥12,800
Pink spinel 0.365ct loose stone
Sale price¥12,800
Tourmaline 0.237ct loose
Sale price¥6,980
Pink tourmaline 0.492ct loose stone
Sale price¥8,800
Bicolor tourmaline 0.423ct loose
Sale price¥12,800
Pink tourmaline 0.423ct loose
Sale price¥8,800
[E_27 Yurakucho Marui Take-out] Ruby 0.254ct Loose
Sale price¥9,800
Ruby 0.282ct loose
Sale price¥8,800
Myanmar Taaffeite 1.110ct Loose GIT
Sale price¥45,800
Conch pearl (with flame pattern) 3.212ct loose
Sale price¥29,800
Conch pearl (with flame pattern) 0.311ct loose
Sale price¥39,800
American Red Beryl 0.109ct Loose
Sale price¥29,800
American red beryl 0.143ct loose
Sale price¥35,800
[KEN] Pink spinel from Myanmar 0.604ct loose
Sale price¥9,800
Mozambique Pink Sapphire 0.267ct Loose (Hot Pink Sapphire)
Sale price¥11,000
Pink spinel 0.969ct loose
Sale price¥9,800
Pink tourmaline 6.1mm/1.031ct loose stone
Sale price¥9,800
Pink tourmaline 0.795ct loose
Sale price¥9,800
Pink tourmaline 0.466ct loose
Sale price¥8,800
Bicolor tourmaline 0.429ct loose
Sale price¥6,980
Bicolor Tourmaline 0.378ct Loose Stone (Hexagonal Cut)
Sale price¥8,800
Pink tourmaline 0.819ct loose
Sale price¥15,800
Pink tourmaline 0.539ct loose stone (heart shape)
Sale price¥12,800
Bicolor Tourmaline 0.792ct Loose (Heart Shape)
Sale price¥9,800
Unheated Bicolor Paraiba Tourmaline 0.092ct Loose GIA
Sale price¥188,000
Morganite 0.800ct loose
Sale price¥11,000
American red beryl 0.138ct loose
Sale price¥34,800
American red beryl 0.207ct loose
Sale price¥49,800
American Red Beryl 0.120ct Loose
Sale price¥29,800
American red beryl 0.116ct loose
Sale price¥29,800
American red beryl 0.184ct loose
Sale price¥46,800
American Red Beryl 0.100ct Loose
Sale price¥25,800
Watermelon tourmaline 3.403ct loose
Sale price¥5,980
Purple Spinel 4.8mm/0.422ct Loose Stone
Sale price¥6,980
Pink spinel 5.2mm/0.517ct loose stone
Sale price¥6,980
Pink spinel 5.2mm/0.573ct loose stone
Sale price¥6,580
Purple spinel 4.5mm/0.365ct loose
Sale price¥4,980
Spinel 0.323ct loose
Sale price¥3,980
Pink spinel 4.3mm/0.342ct loose
Sale price¥6,980
Pink spinel 3.8mm/0.192ct loose
Sale price¥5,980
Taaffeite from Myanmar 0.70ct loose GIT guide
Sale price¥59,800
Pink tourmaline 0.656ct loose
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.