Zimbabwe Bicolor Euclase 0.152ct Loose Stone by Nikkei
Sale price¥158,000
Italian Leucite 0.374ct loose stone (play of color)
Sale price¥14,800
Pigeon Blood Ruby 0.40ct Loose AIGS
Sale price¥59,800
Myanmar Pink Taaffeite 0.243ct Loose Stone by Nikkei
Sale price¥49,800
Pakistani Clinohumite 2.057ct Loose Stone, Japan-Germany Exchange
Sale price¥39,800
Pakistani Clinohumite 1.440ct Loose Stone, Japan-Germany Exchange
Sale price¥29,800
Italian Leucite 0.346ct loose stone (play of color)
Sale price¥12,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 3.865ct Loose Stone
Sale price¥19,800
Purple spinel 0.955ct loose stone
Sale price¥19,800
Myanmar pink spinel 1.165ct loose stone
Sale price¥19,800
Paraiba tourmaline from Brazil 0.154ct loose
Sale price¥29,800
Brazilian Alexandrite 0.111ct loose stone
Sale price¥24,800
Tanzania gray spinel 0.889ct loose stone
Sale price¥19,800
Synthetic Alexandrite 0.287ct loose stone
Sale price¥8,800
Montana Agate 9.528ct Loose
Sale price¥9,800
Brazilian copper rutilated quartz 1.937ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 1.991ct loose stone
Sale price¥6,980
Brazilian copper rutilated quartz 2.101ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 1.889ct loose stone
Sale price¥8,800
Nigerian Cobalt Garnite 0.883ct Loose Stone
Sale price¥49,800
Mexican Cantera Opal 7.720ct Loose
Sale price¥22,800
Mexican Cantera Opal 4.158ct Loose
Sale price¥15,800
Brazilian Paraiba Tourmaline 0.360ct Loose GIA
Sale price¥298,000
Tanzanian Kornerupine Cat's Eye 1.608ct Loose Stone
Sale price¥6,980
Mexican Fire Opal 0.923ct Loose
Sale price¥12,800
Zimbabwean Blue Apatite (UV Type) 0.650ct Loose
Sale price¥9,800
Indian Alexandrite Cat's Eye 0.206ct Loose Stone
Sale price¥6,980
[12551312] Zimbabwean Blue Apatite (UV Type) 1.312ct Loose Stone
Sale price¥9,800
[12551529] Australian black opal 2.233ct loose stone
Sale price¥69,800
American barite 2.073ct loose stone
Sale price¥18,800
[12551148] Australian black opal 3.890ct loose stone
Sale price¥69,800
[12550887] Paraiba Tourmaline from Mozambique 0.784ct loose stone
Sale price¥128,000
[E_27 Yurakucho Marui Take-out] Opal 0.459ct loose (egg-in opal)
Sale price¥8,800
Madagascar Blue Sapphire 0.401ct Loose
Sale price¥14,800
Madagascar Purple Sapphire 0.349ct Loose Stone
Sale price¥18,800
Brazilian alexandrite 0.120ct loose
Sale price¥15,800
Brazilian Alexandrite 0.106ct Loose Stone (Silky Alexandrite)
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.