Lapis lazuli 28mm/171.543ct loose
Sale price¥8,800
Tanzanite 1.180ct loose
Sale price¥24,800
Tanzanite 2.675ct loose
Sale price¥32,800
Cambodian blue zircon 3.322ct loose
Sale price¥29,800
Cambodian blue zircon 4.203ct loose
Sale price¥39,800
Blue zircon 3.283ct loose
Sale price¥75,800
Tanzanite 2.726ct loose
Sale price¥118,000
Sri Lankan zircon 2.307ct loose
Sale price¥12,800
Lavender tanzanite 2.219ct loose
Sale price¥79,800
[E_27 Yurakucho Marui Take-out] Bicolor Tanzanite 2.304ct Loose
Sale price¥59,800
Tanzanite 2.418ct loose
Sale price¥59,800
Blue zircon 0.232ct loose
Sale price¥5,980
Lavender tanzanite 0.644ct loose
Sale price¥8,800
Cambodian Blue Zircon 0.521ct Loose Stone
Sale price¥6,980
Cambodian Blue Zircon 0.540ct Loose
Sale price¥6,980
Tanzanite 1.024ct loose
Sale price¥15,800
Colorless zircon 1.831ct loose
Sale price¥12,800
Zircon 1.519ct loose stone
Sale price¥12,800
Zircon 0.991ct loose stone
Sale price¥8,800
Zircon 0.848ct loose stone
Sale price¥8,800
Tanzanian zircon 0.942ct loose stone
Sale price¥8,800
[E_27 Yurakucho Marui] Zircon 0.371ct loose stone
Sale price¥3,980
Zircon 1.320ct loose stone
Sale price¥12,800
Zircon 1.249ct loose stone
Sale price¥14,800
1.008ct Tanzanian orange zircon loose stone
Sale price¥12,800
Tanzanian orange zircon 0.813ct loose stone
Sale price¥6,980
Zircon Cat's Eye from Sri Lanka 2.087ct Ruth Japanese-German Edition
Sale price¥39,800
[E_27 Yurakucho Marui take-out] Tanzanite 2.358ct loose stone
Sale price¥69,800
Tanzanite 0.810ct loose stone
Sale price¥12,800
Zircon 1.430ct loose
Sale price¥6,980
Tanzanite 1.360ct loose stone
Sale price¥49,800
Orange zircon 3.543ct loose
Sale price¥39,800
Orange zircon 2.801ct loose
Sale price¥28,800
Orange zircon 2.081ct loose
Sale price¥19,800
Orange zircon 1.50ct loose
Sale price¥17,800
Zircon 2.219ct loose (with crystals) Japanese-German edition
Sale price¥25,800
Lavender Tanzanite 1.620ct Loose
Sale price¥15,800
[E_27 Yurakucho Marui] Pink zircon 0.930ct loose stone
Sale price¥14,800
[E_27 Yurakucho Marui Take-out] Cambodian Zircon 1.860ct Loose
Sale price¥12,800
Blue Zircon (Ratanakiri Blue) 0.785ct loose
Sale price¥19,800
Blue Zircon (Ratanakiri Blue) 0.691ct loose
Sale price¥16,800
Blue Zircon 1.280ct Loose
Sale price¥8,800
Blue zircon 1.340ct loose stone
Sale price¥9,800
[E_27 Yurakucho Marui Take-out] Cambodian Blue Zircon 1.410ct Loose
Sale price¥12,800
Cambodian Blue Zircon 1.380ct Loose
Sale price¥8,800
Tanzanite 41.690ct loose
Sale price¥2,480,000
Zircon 0.592ct loose stone
Sale price¥4,980
Zircon 0.426ct loose stone
Sale price¥5,980

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.