Diamond 0.320ct loose (D, VS2)
Sale price¥79,800
Australian black opal 2.407ct loose
Sale price¥59,800
Mexican Fire Opal 0.829ct Loose
Sale price¥9,800
Mexican Fire Opal 0.599ct Loose
Sale price¥5,980
Mexican Fire Opal 2.235ct Loose
Sale price¥26,800
Mexican Fire Opal 1.743ct Loose
Sale price¥24,800
Mexican Fire Opal 2.599ct Loose
Sale price¥31,800
Mexican Fire Opal 3.425ct Loose
Sale price¥29,800
Mexican Fire Opal 0.960ct Loose
Sale price¥39,800
Mexican Fire Opal 1.138ct Loose
Sale price¥15,800
Mexican Fire Opal 0.832ct Loose
Sale price¥9,800
Australian Opal 0.760ct Loose
Sale price¥12,800
Australian Opal 0.315ct Loose
Sale price¥5,980
Australian Opal 0.440ct Loose
Sale price¥8,800
Australian Opal 1.047ct Loose
Sale price¥14,800
Australian Opal 1.203ct Loose
Sale price¥12,800
《Yurakucho Marui 2024112 takeout》Royal Blue Sapphire 0.730ct Loose AIGS
Sale price¥158,000
Australian black opal 1.744ct loose
Sale price¥39,800
Australian black opal 0.959ct loose stone
Sale price¥18,800
0.372ct loose purple sapphire from Windsor, Tanzania
Sale price¥14,800
Australian black opal 0.296ct loose stone
Sale price¥8,800
Australian black opal 0.357ct loose stone
Sale price¥12,800
Vietnam unheated silky pink sapphire 0.354ct loose stone
Sale price¥9,800
Vietnam unheated silky pink sapphire 0.178ct loose stone
Sale price¥5,980
Vietnam unheated silky pink sapphire 0.256ct loose stone
Sale price¥8,800
Vietnam unheated silky pink sapphire 0.437ct loose stone
Sale price¥14,800
Mint green diamond (treated) 0.101ct loose (SI class equivalent)
Sale price¥15,800
Ruby 0.106ct loose
Sale price¥12,800
[Dandelion Cut] K18PG Yellow Sapphire 1.927 Ring Japanese-German Edition
Sale price¥298,000
K18 Orange Sapphire 1.980ct Pink Diamond Ring DGL Appraisal
Sale price¥198,000
Green Sapphire 0.299ct Loose (Silky Sapphire)
Sale price¥3,980
Mexican Cantera Opal 15.195ct Loose
Sale price¥18,800
Mexican Cantera Opal 11.325ct Loose
Sale price¥15,800
Mexican Fire Opal 1.891ct Loose
Sale price¥24,800
Mexican Fire Opal 1.450ct Loose
Sale price¥39,800
《Yurakucho Marui 2024112 takeout》Mexican fire opal 1.348ct loose
Sale price¥19,800
Mexican Fire Opal 1.104ct Loose
Sale price¥9,800
Mexican Fire Opal 0.403ct Loose
Sale price¥9,800
Australian black opal 2.277ct loose stone (play of color on both sides)
Sale price¥34,800
《Yurakucho Marui 2024112 takeout》Australian black opal 0.676ct loose
Sale price¥15,800
Mexican egg-in-opal 1.582ct loose stone
Sale price¥18,800
Mexican egg-in-opal 1.243ct loose stone
Sale price¥14,800
Mexican egg-in-opal 0.865ct loose stone
Sale price¥14,800
Mexican egg-in-opal 0.672ct loose stone
Sale price¥12,800
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.
