Brazilian Golden Beryl 9mm/2.438ct Loose Stone
Sale price¥12,800
Brazilian Golden Beryl 6.8mm/1.061ct Loose Stone
Sale price¥7,980
Sri Lankan Yellow Sapphire 0.282ct Loose
Sale price¥12,800
Sri Lankan Yellow Sapphire 0.826ct Loose
Sale price¥25,800
Sri Lankan Yellow Sapphire 0.275ct Loose
Sale price¥8,800
Yellow Diamond (Cabochon Cut) 0.185ct Loose
Sale price¥25,800
Brazilian Limonite in Topaz 20.777ct loose stone
Sale price¥39,800
Synthetic Moissanite 10mm/3.855ct Loose Stone
Sale price¥18,800
Ethiopian Opal 41.967ct Rough Stone
Sale price¥33,800
Ethiopian Opal 24.319ct Rough Stone
Sale price¥19,800
Ethiopian Opal 15.845ct Rough Stone
Sale price¥15,800
Ethiopian Opal 14.344ct Rough Stone
Sale price¥14,800
Ethiopian Opal 12.442ct Rough Stone
Sale price¥12,800
Madagascar sapphire 0.157ct loose stone
Sale price¥6,980
Ethiopian honeycomb opal 2.414ct loose stone
Sale price¥24,800
Zambian Canary Yellow Tourmaline 1.483ct loose stone
Sale price¥39,800
Montana Sapphire 0.228ct loose
Sale price¥6,980
Montana sapphire 0.128ct loose stone
Sale price¥12,800
Montana sapphire 0.124ct loose stone
Sale price¥12,800
Bicolor sapphire 0.143ct loose
Sale price¥8,800
Bicolor sapphire 0.481ct loose
Sale price¥25,800
Madagascar sphene 0.991ct loose stone
Sale price¥12,800
Madagascar sphene 1.080ct loose stone
Sale price¥12,800
Montana Sapphire 0.296ct loose
Sale price¥5,980
Montana Sapphire 0.241ct loose
Sale price¥5,980
Brazilian rutilated quartz (rutilated quartz) 8.0mm/1.335ct loose stone
Sale price¥12,800
Brazilian rutilated quartz (rutilated quartz) 7.8mm/1.320ct loose stone
Sale price¥12,800
Brazilian rutilated quartz (rutilated quartz) 8.1mm/1.619ct loose stone
Sale price¥12,800
Brazilian rutilated quartz (rutilated quartz) 7.8mm/1.307ct loose stone
Sale price¥12,800
Afghanistan Lapis Lazuli 5.085ct Loose Stone
Sale price¥9,800
Sri Lankan Yellow Sapphire 0.221ct Loose
Sale price¥9,800
Spanish bicolor sphalerite 5.289ct loose stone
Sale price¥59,800
Mexican Opal (Faceted Cut) 1.052ct Loose
Sale price¥19,800
Mexican Opal (Faceted Cut) 0.640ct Loose
Sale price¥14,800
Mexican Opal (Faceted Cut) 0.550ct Loose
Sale price¥25,800
Mexican Opal 1.639ct Loose (Contralus Opal)
Sale price¥29,800
[Takeshi Yamamoto] Ametrine 20.856ct loose stone
Sale price¥98,000
Cambodian Yellow Zircon 4.8mm/0.662ct Loose Stone
Sale price¥8,800
Sri Lankan Yellow Sapphire 0.253ct Loose
Sale price¥8,800
Sri Lankan Yellow Sapphire 0.226ct Loose
Sale price¥8,800
Sri Lankan Yellow Sapphire 0.272ct Loose (Bicolor)
Sale price¥12,800
Sri Lankan Yellow Sapphire 0.543ct Loose
Sale price¥29,800
Sri Lankan Chrysoberyl Cat's Eye 0.532ct Loose Stone
Sale price¥5,980
Madagascar sphene 1.386ct loose stone
Sale price¥12,800
Madagascar sphene 0.673ct loose stone
Sale price¥15,800
Spanish Sphalerite 7mm/1.676ct loose stone
Sale price¥35,800
Sri Lankan Chrysoberyl Cat's Eye 0.519ct 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.