Oval Cut
Sillimanite from Sri Lanka 1.704ct loose stone
Sale price¥19,800
Sri Lankan Blue Sapphire (Ice Blue) 0.584ct Loose
Sale price¥9,800
0.165ct Unheated Silky Pink Sapphire from Vietnam
Sale price¥6,980
Tanzanian Chrome Tourmaline 0.728ct Loose Stone
Sale price¥7,980
Tanzanian Chrome Tourmaline 0.760ct Loose Stone
Sale price¥6,980
Paraiba Tourmaline from Mozambique 0.309ct loose stone
Sale price¥14,800
Brazilian Santa Maria Aquamarine 0.397ct loose stone
Sale price¥29,800
Myanmar Red Spinel 0.461ct Loose
Sale price¥19,800
Australian black opal 3.027ct loose stone
Sale price¥15,800
Mexican Opal 4.302ct Loose
Sale price¥19,800
Brazilian Flower Quartz 7.064ct Loose Stone
Sale price¥17,800
American Peridot 0.428ct Loose
Sale price¥6,980
American Peridot 0.339ct Loose Stone
Sale price¥6,980
[On sale at 10pm on 10/23] Royal blue sapphire 0.720ct loose stone
Sale price¥158,000
Brazilian Paraiba Tourmaline 0.177ct loose stone (CuO: 2.1%, MnO: 1.3%)
Sale price¥45,800
Tanzania Wurtzite 0.244ct loose stone by Nikkei
Sale price¥79,800
Unheated Brazilian Paraiba Tourmaline 0.025ct loose stone
Sale price¥39,800
Unheated Brazilian Paraiba Tourmaline 0.038ct loose stone
Sale price¥59,800
Australian black opal 0.650ct loose
Sale price¥18,800
Mexican Opal 1.666ct Loose
Sale price¥14,800
Brazilian Paraiba Tourmaline 0.216ct loose stone (CuO:1.2%, MnO:2.7%)
Sale price¥69,800
Blue sapphire 2.425ct loose stone with jewel
Sale price¥59,800
Unheated Brazilian Paraiba Tourmaline 0.110ct Loose Stone AIGS
Sale price¥258,000
Mexican Fire Opal 0.669ct Loose (Contralus Opal)
Sale price¥15,800
Zimbabwean Euclase 0.058ct loose stone
Sale price¥39,800
Benitoite 0.231ct loose
Sale price¥220,000
Benitoite 0.286ct loose
Sale price¥258,000
Ruby 0.110ct loose
Sale price¥9,800
Lavender quartz (scorolite) 1.130ct loose stone
Sale price¥6,980
Tanzanian Kornerupine 0.300ct Loose Stone
Sale price¥29,800
Tanzanian Kornerupine 0.210ct loose stone
Sale price¥18,800
Tanzanian Kornerupine 0.220ct loose stone
Sale price¥15,800
Tanzanian Kornerupine 0.229ct loose stone
Sale price¥25,800
Tanzanian Kornerupine 0.249ct loose stone
Sale price¥22,800
Tanzanian Kornerupine 0.201ct loose stone
Sale price¥25,800
Tanzanian Kornerupine 0.200ct Loose Stone
Sale price¥18,800
Sri Lankan Purple Spinel 1.638ct Loose Stone, Japan-Germany Exchange
Sale price¥69,800
Mozambique Pink Sapphire 0.377ct Loose (Hot Pink Sapphire)
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.
