Goethite in Amethyst 1.380ct loose
Sale price¥4,980
Goethite in quartz 1.020ct loose
Sale price¥3,980
Bicolor sapphire 0.562ct loose
Sale price¥14,800
Bicolor sapphire 0.374ct loose
Sale price¥9,800
Ethiopian oil-free emerald 0.32ct loose GIA
Sale price¥148,000
Peach benitoite 0.135ct loose Japanese-German book (orange/blue)
Sale price¥178,000
[Sakura Incut] Green Quartz 20mm/22.840ct《Collaboration》Loose with emblem
Sale price¥118,000
[Sakura Incut] Lemon Quartz 20mm/21.540ct《Collaboration》Loose with emblem
Sale price¥118,000
Hyalite Opal 2.920ct loose (fluorescent even in sunlight)
Sale price¥29,800
Russian demantoid garnet (horsetail recognized) 0.664ct loose
Sale price¥198,000
Euclase from Colombia 5.223ct Ruth Japanese German edition
Sale price¥228,000
Paraiba tourmaline from Brazil 0.224ct loose (CuO:0.8%, MnO:1.7%)
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 0.200ct loose (CuO: 0.7%, MnO: 4.0%)
Sale price¥39,800
Dendritic agate 1.800ct loose
Sale price¥3,980
[KEN] Pink tourmaline 0.530ct loose
Sale price¥3,980
Dendritic quartz 4.520ct loose
Sale price¥5,980
Dendritic quartz 4.420ct loose
Sale price¥6,980
Hyalite Opal 3 stone set 1.320ct loose
Sale price¥12,800
Hyalite Opal 2 stones 5.8mm/1.180ct loose
Sale price¥9,800
Hessonite garnet 1.920ct loose
Sale price¥5,980
Russian demantoid garnet cat's eye (horsetail recognized) 0.147ct loose
Sale price¥39,800
[Sakura Incut] Sky Blue Topaz 12mm Loose with Patch
Sale price¥49,800
Rainbow Scapolite 0.960ct loose
Sale price¥14,800
Rainbow Scapolite 0.70ct loose
Sale price¥8,800
Rainbow Scapolite 0.670ct loose
Sale price¥8,800
Opal from Mexico 1.810ct loose
Sale price¥14,800
Rose quartz 15mm/11.250ct loose stone from Yurakucho Marui 2024112
Sale price¥6,980
Rose quartz 15mm/10.950ct loose
Sale price¥5,980
Rose quartz 15mm/10.850ct loose
Sale price¥6,980
Rose quartz 15mm/10.760ct loose stone from Yurakucho Marui 2024112
Sale price¥6,980
Brazilian alexandrite 0.102ct loose
Sale price¥18,800
Brazilian alexandrite 0.091ct loose
Sale price¥18,800
Russian demantoid garnet cat's eye (horsetail recognized) 0.128ct loose
Sale price¥21,800
Cobalt Garnite 0.154ct Loose (Sugar Loaf)
Sale price¥8,800
Cobalt Garnite 0.087ct loose (sugar loaf cut)
Sale price¥6,980
Andesine Labradorite (commonly known as Rainbow Moonstone) 1.090ct loose
Sale price¥17,800
Madeira Citrine 6.8mm/1.150ct Loose
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.
