Color change sapphire 0.453ct loose
Sale price¥5,980
Bicolor sapphire from Tanzania 0.552ct loose
Sale price¥15,800
Bicolor sapphire from Tanzania 0.580ct loose
Sale price¥16,800
Tanzanian bicolor sapphire 0.394ct loose stone
Sale price¥9,800
Tanzanian bicolor sapphire 0.495ct loose stone
Sale price¥9,800
Unheated silky pink sapphire from Vietnam 0.339ct loose
Sale price¥11,800
Unheated silky pink sapphire from Vietnam 0.497ct loose
Sale price¥15,800
Unheated silky pink sapphire from Vietnam 0.301ct loose
Sale price¥11,000
Unheated silky pink sapphire from Vietnam 0.382ct loose
Sale price¥14,800
Unheated silky pink sapphire from Vietnam 0.338ct loose
Sale price¥12,800
[Mr. Sanjay] Copper rutilated quartz 1.065ct loose
Sale price¥5,980
[Mr. Sanjay] Copper rutilated quartz 1.135ct loose
Sale price¥5,980
[Mr. Sanjay] Copper rutilated quartz 1.165ct loose
Sale price¥5,980
[Mr. Sanjay] Copper rutilated quartz 1.747ct loose
Sale price¥6,980
Pt900K18 purple diamond 0.072ct ring (FANCY INTENSE PINK PURPLE)
Sale price¥228,000
Pt900 benitoite 0.152ct/diamond 0.58ct ring
Sale price¥188,000
Colombian trapiche emerald 13.466ct loose
Sale price¥398,000
Unheated silky pink sapphire from Vietnam 0.202ct loose
Sale price¥8,800
Benitoite 0.091ct loose (emerald cut)
Sale price¥29,800
Pt900 ice blue diamond 0.333ct/0.333ct earrings
Sale price¥98,000
Colombian oil-free emerald 0.220ct loose GIA
Sale price¥248,000
Rubellite 7.068ct loose Japanese-German book
Sale price¥498,000
Brazilian indigolite tourmaline 1.576ct loose Japanese-German book
Sale price¥98,000
Paraiba tourmaline from Mozambique 0.240ct loose
Sale price¥35,800
Paraiba tourmaline from Mozambique 0.414ct loose
Sale price¥55,800
Paraiba tourmaline from Mozambique 0.130ct loose
Sale price¥22,800
Paraiba tourmaline from Mozambique 0.246ct loose
Sale price¥39,800
Blue tourmaline 0.369ct loose Japanese-German book
Sale price¥8,800
Brazilian imperial topaz 0.359ct 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.
