Diamond 0.131ct loose (G, VS-1, EXCELLENT heart & cupid)
Sale price¥32,800
Hessonite garnet 1.920ct loose
Sale price¥5,980
FANCY VIVID ORANGY YELLOW, SI-1
Sale price¥22,800
Rough diamond (makeable) 0.284ct loose
Sale price¥29,800
Rough diamond (makeable) 0.279ct loose
Sale price¥29,800
Rough diamond (makeable) 0.353ct loose
Sale price¥33,800
Hyalite Opal 2 stones 5.8mm/1.180ct loose
Sale price¥9,800
Hyalite Opal 3 stone set 1.320ct loose
Sale price¥12,800
Dendritic quartz 4.420ct loose
Sale price¥6,980
Dendritic quartz 4.520ct loose
Sale price¥5,980
Pink tourmaline 0.530ct loose
Sale price¥3,980
Dendritic agate 1.800ct loose
Sale price¥3,980
Paraiba tourmaline from Brazil 0.200ct loose (CuO: 0.7%, MnO: 4.0%)
Sale price¥39,800
Paraiba tourmaline from Brazil 0.203ct loose (CuO: 0.9%, MnO: 2.6%)
Sale price¥35,800
Paraiba tourmaline from Brazil 0.224ct loose (CuO:0.8%, MnO:1.7%)
Sale price¥39,800
Euclase from Colombia 5.223ct Ruth Japanese German edition
Sale price¥228,000
Colombian emerald 0.922ct rough stone
Sale price¥9,800
[E_27 Yurakucho Marui take-out] Colombian emerald 2.680ct rough stone
Sale price¥19,800
Colombian emerald 0.350ct rough stone
Sale price¥12,800
Russian demantoid garnet (horsetail recognized) 0.664ct loose
Sale price¥198,000
[Sakura Incut] Lemon Quartz 20mm/21.540ct《Collaboration》Loose with emblem
Sale price¥118,000
[Sakura Incut] Green Quartz 20mm/22.840ct《Collaboration》Loose with emblem
Sale price¥118,000
Peach benitoite 0.135ct loose Japanese-German book (orange/blue)
Sale price¥178,000
Ethiopian oil-free emerald 0.32ct loose GIA
Sale price¥148,000
Colombian pyrite emerald 2.380ct rough stone
Sale price¥39,800
Bicolor sapphire 0.374ct loose
Sale price¥9,800
Bicolor sapphire 0.562ct loose
Sale price¥14,800
Goethite in quartz 1.020ct loose
Sale price¥3,980
Goethite in Amethyst 1.380ct loose
Sale price¥4,980
Goethite in quartz 2.550ct loose
Sale price¥6,980
Bicolor kyanite 0.820ct loose
Sale price¥14,800
Kyanite 0.840ct loose
Sale price¥11,800
Kyanite 0.670ct loose
Sale price¥9,800
Kyanite 1.180ct loose
Sale price¥15,800
Kyanite 1.580ct loose
Sale price¥22,800
Bicolor tourmaline cat's eye 2.640ct loose
Sale price¥19,800
Bicolor tourmaline cat's eye 4.730ct loose
Sale price¥22,800
Green tourmaline cat's eye 5.210ct loose
Sale price¥29,800
Tourmaline cat's eye 3.310ct loose
Sale price¥8,800
Pink tourmaline cat's eye 3.800ct loose
Sale price¥15,800
Tourmaline cat's eye 4.370ct loose
Sale price¥9,800
Tourmaline cat's eye 4.590ct loose
Sale price¥15,800

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.