Aventurine aquamarine 1.450ct loose
Sale price¥6,980
Purple spinel 0.800ct loose
Sale price¥5,980
Black Star Sapphire 1.410ct loose
Sale price¥14,800
Sunstone Scapolite 1.510ct loose
Sale price¥15,800
Bloodshot Iolite Sunstone 7.630ct Loose
Sale price¥59,800
[E_27 Yurakucho Marui Take-out] Bloodshot Iolite Sunstone 3.740ct Loose
Sale price¥34,800
Color change sphene from Pakistan 0.300ct loose
Sale price¥14,800
Star enstatite 0.870ct loose
Sale price¥15,800
Iron Opal 20.328ct Ruth Japanese-German Dictionary
Sale price¥15,800
Larimar 33.829ct loose Japanese-German book
Sale price¥49,800
Lepidocrocite in quartz 1.540ct loose
Sale price¥8,800
Rough diamond (makeable) 0.480ct loose VS class equivalent
Sale price¥98,000
Fire Opal 2 Stone Pair 4mm/0.336ct Loose
Sale price¥6,980
Bicolor sapphire 0.380ct loose
Sale price¥15,800
Bicolor Beryl 9.100ct loose
Sale price¥34,800
Bicolor Beryl 9.490ct loose
Sale price¥35,800
[Koshu Precious Stone Kiriko] Scapolite 2.01ct loose with patch
Sale price¥59,800
Dendritic quartz 1.547ct loose
Sale price¥8,800
Onyx 2 stone pair 2.320ct loose (double checkerboard cut)
Sale price¥3,980
Garden quartz 6.760ct loose
Sale price¥6,980
Garden quartz 12.860ct loose
Sale price¥8,800
Madeira Citrine 6.8mm/1.150ct Loose
Sale price¥5,980
Andesine Labradorite (commonly known as Rainbow Moonstone) 1.090ct loose
Sale price¥17,800
Andesine Labradorite (commonly known as Rainbow Moonstone) 1.260ct loose
Sale price¥19,800
Cobalt Garnite 0.087ct loose (sugar loaf cut)
Sale price¥6,980
Russian demantoid garnet cat's eye (horsetail recognized) 0.128ct loose
Sale price¥21,800
Brazilian alexandrite 0.091ct loose
Sale price¥18,800
Brazilian alexandrite 0.102ct loose
Sale price¥18,800
Rose quartz 15mm/10.850ct loose
Sale price¥6,980
Rose quartz 15mm/10.950ct loose
Sale price¥5,980
Opal from Mexico 1.810ct loose
Sale price¥14,800
Rainbow Scapolite 0.670ct loose
Sale price¥8,800
Rainbow Scapolite 0.70ct loose
Sale price¥8,800
Rainbow Scapolite 0.960ct loose
Sale price¥14,800
[Sakura Incut] Sky Blue Topaz 12mm Loose with Patch
Sale price¥49,800
Bicolor sapphire from Tanzania 0.970ct loose (Windsor sapphire)
Sale price¥6,980
Brazilian Paraiba tourmaline 0.156ct raw stone (CuO:2.5%, MnO:0.5%)
Sale price¥22,800
Brazilian Paraiba tourmaline 0.285ct raw stone (CuO:1.7%, MnO:2.7%)
Sale price¥19,800
Brazilian Paraiba tourmaline 0.180ct raw stone (CuO:1.8%, MnO:0.1%)
Sale price¥12,800
Brazilian Paraiba tourmaline 0.184ct raw stone (CuO:1.5%, MnO:0.6%)
Sale price¥14,800
Brazilian Paraiba tourmaline 0.225ct raw stone (CuO:2.1%, MnO:0.9%)
Sale price¥12,800
Brazilian Paraiba tourmaline 0.448ct raw stone (CuO:2.7%, MnO:2.0%)
Sale price¥29,800
Brazilian Paraiba tourmaline 0.455ct raw stone (CuO: 0.9%, MnO: 2.2%)
Sale price¥19,800
Brazilian Paraiba tourmaline 0.213ct raw stone (CuO:1.4%, MnO:1.2%)
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.
