American red beryl 0.092ct loose
Sale price¥19,800
[Koshu Precious Stone Cutting Pluethree] Yellow Beryl 0.880ct Loose
Sale price¥29,800
Nigerian Green Beryl 1.349ct Loose Stone
Sale price¥98,000
Colombian pyrite-mica emerald 0.244ct loose stone
Sale price¥12,800
Colombian pyrite-mica emerald 0.562ct loose stone
Sale price¥29,800
Colombian pyrite-mica emerald 0.739ct loose stone
Sale price¥36,800
Colombian pyrite-mica emerald 0.628ct loose stone
Sale price¥35,800
Colombian pyrite-mica emerald 0.649ct loose stone
Sale price¥29,800
Colombian pyrite-mica emerald 0.901ct loose stone
Sale price¥45,800
Colombian pyrite-mica emerald 0.983ct loose stone
Sale price¥49,800
Colombian emerald rough stone 1.707ct
Sale price¥18,800
Colombian emerald 0.191ct loose
Sale price¥22,800
Colombian emerald 0.231ct loose stone
Sale price¥28,800
Colombian emerald 0.215ct loose stone
Sale price¥25,800
Nigerian Aventurine Aquamarine 1.164ct Loose Stone
Sale price¥12,800
Nigerian Aventurine Aquamarine 0.803ct Loose Stone
Sale price¥8,800
Nigerian Aventurine Aquamarine 0.471ct Loose Stone
Sale price¥8,800
Vietnam Aquamarine 6.0mm/0.781ct Loose Stone
Sale price¥8,800
Colombian pyrite-mica emerald 3.208ct loose stone
Sale price¥228,000
Colombian Trapiche Emerald 0.291ct Loose
Sale price¥15,800
Colombian Mica in Emerald 4.6mm/0.210ct Loose Stone
Sale price¥12,800
Colombian Trapiche Emerald 0.147ct Loose
Sale price¥9,800
Colombian mint color emerald 0.178ct loose stone
Sale price¥6,980
Colombian Trapiche Emerald 0.416ct Loose
Sale price¥22,800
Colombian Trapiche Emerald 0.266ct Loose
Sale price¥14,800
Colombian emerald 1.435ct rough stone
Sale price¥18,800
Colombian emerald with pyrite 0.984ct rough
Sale price¥12,800
Colombian Trapiche Emerald 0.372ct Loose
Sale price¥19,800
Colombian Trapiche Emerald 0.299ct Loose
Sale price¥16,800
Colombian pyrite emerald 13.691ct loose stone
Sale price¥398,000
Colombian pyrite emerald 8.044ct loose stone
Sale price¥188,000
Colombian Trapiche Emerald 0.392ct Loose
Sale price¥19,800
American Red Beryl 0.106ct Loose
Sale price¥24,800
Colombian Trapiche Emerald 0.222ct Loose
Sale price¥18,800
Colombian Trapiche Emerald 0.260ct Loose
Sale price¥14,800
Nigerian Yellow Beryl (Heliodor) 4mm/0.188ct Loose Stone
Sale price¥3,980
Brazilian Yellow Beryl 11.411ct Loose Stone, Japan-Germany Exchange
Sale price¥25,800
Mozambique Aquamarine 4.9mm/0.463ct Loose Stone
Sale price¥9,800
Vietnam Aquamarine 0.626ct Loose
Sale price¥8,800
Vietnam Aquamarine 1.309ct Loose Stone
Sale price¥12,800
Vietnam Aquamarine 5.1mm/0.410ct Loose Stone
Sale price¥6,980
Vietnam Aquamarine 5.9mm/0.700ct Loose Stone
Sale price¥8,800
Vietnam Aquamarine 5.0mm/0.739ct Loose Stone
Sale price¥9,800
Vietnam Aquamarine 5.1mm/0.457ct Loose Stone
Sale price¥6,980
Colombian pyrite emerald 40.789ct rough stone
Sale price¥25,800

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.