Brazilian bicolor euclase 0.157ct loose stone
Sale price¥14,800
Brazilian bicolor euclase 0.291ct loose stone
Sale price¥15,800
Brazilian bicolor euclase 0.572ct loose stone
Sale price¥24,800
Brazilian bicolor euclase 0.286ct loose stone
Sale price¥8,800
Cobalt spinel from Tanzania 0.284ct loose Japanese and German
Sale price¥49,800
Nigerian Green Beryl 1.349ct Loose Stone
Sale price¥98,000
Colombian pyrite-mica emerald 0.244ct loose stone
Sale price¥12,800
Colombian pyrite-mica emerald 0.562ct loose stone
Sale price¥29,800
Bulgarian Green Sphalerite 0.403ct Loose Stone
Sale price¥69,800
Namibian Jeremejevite 0.206ct loose stone
Sale price¥55,800
Namibian Jeremejevite 0.158ct loose stone
Sale price¥45,800
Namibian Jeremejevite 0.405ct loose stone
Sale price¥128,000
[E_27 Yurakucho Marui Take-out] Namibian Jeremejevite 0.394ct Loose Stone
Sale price¥128,000
Colombian emerald 0.191ct loose
Sale price¥22,800
[E_27 Yurakucho Marui Take-out] Colombian emerald 0.258ct loose
Sale price¥29,800
Colombian emerald 0.231ct loose stone
Sale price¥28,800
Colombian emerald 0.215ct loose stone
Sale price¥25,800
Mexican Fire Opal 0.576ct Loose (Faceted Cut)
Sale price¥9,800
Mexican Opal 0.492ct Loose (Faceted Cut)
Sale price¥9,800
Mexican Fire Opal 0.212ct Loose (Faceted Cut)
Sale price¥8,800
Mexican Fire Opal 1.222ct Loose (Faceted Cut)
Sale price¥12,800
Madagascar sphene 0.665ct loose stone
Sale price¥12,800
Madagascar sphene 0.266ct loose stone
Sale price¥3,980
Tanzanian Dragon Garnet 0.194ct Loose Stone
Sale price¥5,980
Mexican Fire Opal 0.213ct Loose (Faceted Cut)
Sale price¥9,800
Mexican Fire Opal 0.356ct Loose (Faceted Cut)
Sale price¥9,800
Silky pink sapphire from Madagascar 0.310ct loose stone
Sale price¥9,800
Chinese bicolor fluorite 6.274ct loose stone
Sale price¥8,800
Argentine bicolor fluorite 11.226ct loose stone
Sale price¥6,980
Colombian mint color emerald 0.178ct loose stone
Sale price¥6,980
Colombian mint color emerald 0.198ct loose stone
Sale price¥6,980
Colombian pyrite emerald 13.691ct loose stone
Sale price¥398,000
Brazilian Euclase 0.224ct Loose Stone (Bicolor Euclase)
Sale price¥18,800
Tanzanian bicolor sapphire 0.181ct loose stone
Sale price¥6,980
Namibian Jeremejevite 0.307ct loose stone by Nikkei
Sale price¥22,800
Purple zoisite from Tanzania 1.103ct loose Japanese German edition
Sale price¥98,000
Madagascar Yellow Sapphire 0.283ct Loose
Sale price¥6,980
Brazilian Euclase 0.289ct loose stone
Sale price¥12,800
Brazilian Euclase 0.263ct Loose Stone (Colorless Euclase)
Sale price¥9,800
Brazilian Euclase 0.695ct Loose Stone
Sale price¥18,800

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.