Pyrite in quartz 34.864ct loose
Sale price¥29,800
Triphyllite in quartz 13.378ct loose
Sale price¥14,800
Garden quartz 23.495ct loose
Sale price¥5,980
Pyrite in quartz 15.971ct loose
Sale price¥15,800
Demantoid garnet 15.468ct rough stone from Madagascar
Sale price¥12,800
Demantoid garnet 20.693ct rough stone from Madagascar
Sale price¥12,800
Demantoid garnet 22.069ct rough stone from Madagascar
Sale price¥12,800
Star magnetite 26.827ct loose Japanese-German book
Sale price¥29,800
Rutile (single crystal) from Sri Lanka 10.697ct rough
Sale price¥19,800
[Koshu precious stone Kiriko plusthree] Swiss blue topaz 26.821ct loose
Sale price¥59,800
Brazilian kyanite in quartz 13.740ct loose
Sale price¥45,800
Chinese aragonite 36.409ct loose with patch
Sale price¥7,980
Brazilian Trapichea Amethyst 24.772ct loose with patch
Sale price¥8,800
Labradorite from Finland 25.485ct loose (spectralite) with patch
Sale price¥8,800
Star garnet 14.400ct loose
Sale price¥11,000
Star garnet 14.600ct loose
Sale price¥11,000
Brazilian Medusa Quartz (Paraiba Quartz) 10.298ct loose
Sale price¥14,800
Mexican cantera opal 11.663ct loose
Sale price¥39,800
Mexican cantera opal 12.610ct loose
Sale price¥29,800
Dendritic agate 92.383ct loose
Sale price¥6,980
[Mr. Takeshi Yamamoto] Rock crystal 43.123ct loose
Sale price¥25,800
Kunzite from Afghanistan 26.784ct loose
Sale price¥69,800
Mexican Hyalite Opal 98.026ct rough stone
Sale price¥19,800
Mexican Hyalite Opal 63.479ct rough stone
Sale price¥19,800
Mexican Hyalite Opal 44.148ct rough stone
Sale price¥19,800
Mexican Hyalite Opal 13.614ct rough stone
Sale price¥15,800
Kunzite from Afghanistan 12.718ct loose
Sale price¥19,800
Aquamarine 27.390ct rough stone from Vietnam
Sale price¥41,800
Dendritic Agate 31.019ct Ruth Japanese/German
Sale price¥9,800
Mexican cantera opal 15.542ct loose
Sale price¥19,800
Sri Lankan star sapphire 21.730ct loose
Sale price¥69,800
Kunzite from Afghanistan 32.795ct loose
Sale price¥65,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 21.667ct loose
Sale price¥49,800
Yellow opal 17.283ct loose
Sale price¥34,800
Prehnite from the Republic of Mali 33.297ct loose
Sale price¥39,800
Colombian Euclase 11.410ct rough stone
Sale price¥29,800
Colombian Euclase 10.641ct rough stone
Sale price¥19,800
Felspar 29.851ct rough stone Japanese-German edition
Sale price¥12,800
Brazilian bicolor tourmaline 12.842ct loose
Sale price¥358,000
Quartz 96.732ct loose (explosion crystal)
Sale price¥4,980
Hemimorphite 34.490ct loose
Sale price¥69,800
Bicolor tourmaline 22.088ct loose
Sale price¥288,000
South Sea Pearl 16.5mm/26.946ct Loose
Sale price¥19,800
South Sea Pearl 15mm/22.988ct Loose
Sale price¥19,800
《Yurakucho Marui 2024112》South Sea pearl 13mm/14.808ct loose
Sale price¥12,800
Wood opal 24.319ct loose
Sale price¥59,800
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.