Benitoite 0.286ct loose
Sale price¥178,000
Pt950 Benitoite 0.10ct Aquamarine Blue Diamond Ring
Sale price¥98,000
Paraiba tourmaline from Brazil 0.219ct loose (CuO:0.9%,MnO:0.2%)
Sale price¥88,800
Spanish bicolor sphalerite 6.230ct loose
Sale price¥79,800
Cambodian blue zircon (Ratanakiri blue) 3.449ct loose
Sale price¥69,800
FANCY VIVID ORANGY YELLOW, SI-2
Sale price¥59,800
Russian demantoid garnet (horsetail recognized) 0.310ct loose
Sale price¥59,800
Wurzite 0.224ct loose Japanese-German book
Sale price¥55,800
[Koshu Precious Stone Kiriko] Bicolor Fluorite 5.030ct Loose with Patch
Sale price¥49,800
Paraiba tourmaline from Brazil 0.157ct loose
Sale price¥47,800
Russian demantoid garnet (horsetail recognized) 0.378ct loose
Sale price¥39,800
[KEN] Fire opal from Mexico 1.150ct loose
Sale price¥39,800
Unheated Brazilian Paraiba tourmaline 0.040ct loose AIGS
Sale price¥39,800
Paraiba tourmaline from Brazil 0.066ct loose (CuO:1.7%,Mn0:2.1%)
Sale price¥35,800
[Dandelion cut] Rhodolite garnet 7mm/2.210ct loose with patch
Sale price¥35,800
Indigolite tourmaline 0.545ct loose Japanese and German
Sale price¥29,800
Unheated silky pink sapphire from Vietnam 0.439ct loose
Sale price¥25,800
Australian black opal 2.122ct loose
Sale price¥24,800
Paraiba tourmaline from Mozambique 0.130ct loose
Sale price¥22,800
Bekily Blue Garnet from Madagascar (color change garnet) 0.297ct loose
Sale price¥19,800
Paraiba tourmaline from Brazil 0.264ct loose
Sale price¥19,800
Brazilian dumortierite in quartz 3.901ct loose
Sale price¥19,800
Bicolor sapphire from Madagascar 0.231ct loose
Sale price¥18,800
Indigolite tourmaline 0.260ct loose Japanese-German book
Sale price¥18,800
《Yurakucho Marui 2024112 takeout》Kornerupine 0.843ct loose stone
Sale price¥18,800
Bicolor sapphire from Madagascar 0.200ct loose
Sale price¥16,800
Paraiba tourmaline from Brazil 3.5mm/0.194ct loose
Sale price¥14,800
Brazilian dumortierite in quartz 0.986ct loose (faceted cut)
Sale price¥12,800
[Mr. KEN] Oregon Sunstone 1.558ct Loose
Sale price¥12,800
Bicolor sapphire from Madagascar 0.198ct loose
Sale price¥9,800
Chrome tourmaline from Tanzania 0.279ct loose
Sale price¥9,800
Australian boulder opal 1.730ct loose
Sale price¥9,800
Brazilian Euclase 0.610ct loose
Sale price¥9,800
[Mr. KEN] Oregon Sunstone 1.157ct Ruth
Sale price¥9,800
Blue sapphire 4.3mm/0.307ct loose
Sale price¥9,800
Bicolor tourmaline 0.397ct loose
Sale price¥8,800
Madeira Citrine 6mm/0.965ct loose
Sale price¥6,980
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.