Bicolor sapphire 1.020ct loose
Sale price¥69,800
Colombian trapiche emerald (reverse trapiche) 0.101ct rough stone
Sale price¥14,800
Colombian trapiche emerald (reverse trapiche) 0.252ct rough stone
Sale price¥27,800
Colombian trapiche emerald (reverse trapiche) 0.178ct rough stone
Sale price¥18,800
Colombian trapiche emerald (reverse trapiche) 0.147ct rough stone
Sale price¥18,800
Colombian trapiche emerald (reverse trapiche) 0.134ct rough stone
Sale price¥15,800
Ice ruby from Greenland 3.4mm/ 0.217ct loose with certificate
Sale price¥15,800
[Koshu Precious Stone Kiriko] Mexican Fire Opal 1.571ct Loose with Patch
Sale price¥79,800
[Sakura Incut] Mexican water opal 6mm loose with patch
Sale price¥29,800
[Sakura Incut] Opal from Mexico 6mm/0.481ct loose
Sale price¥35,800
[Camellia cut] Mexican fire opal 1.270ct loose with patch
Sale price¥98,000
Opal from Mexico 1.139ct loose
Sale price¥69,800
{Yurakucho Marui 2024112 takeout} Bicolor sapphire 0.292ct loose stone
Sale price¥25,800
Cantera Opal 2.661ct loose
Sale price¥12,800
Bicolor pink star sapphire from Mogok 0.360ct loose
Sale price¥24,800
Bicolor star sapphire from Mogok 0.830ct loose
Sale price¥39,800
Pt950 Benitoite 0.10ct Aquamarine Blue Diamond Ring
Sale price¥98,000
《Yurakucho Marui 2024112 takeout》Ruby 0.194ct loose stone
Sale price¥8,800
Ruby 0.472ct loose
Sale price¥6,980
Bicolor star sapphire from Myanmar 1.190ct loose (pink sapphire)
Sale price¥29,800
Sierra Leone sapphire 1.210ct loose
Sale price¥9,800
Sierra Leone sapphire 1.470ct loose
Sale price¥14,800
Diamond 0.119ct loose (G, SI1)
Sale price¥24,800
Colombian mica in emerald 1.940ct loose
Sale price¥49,800
Colombian mica in emerald 1.314ct loose
Sale price¥39,800
Blue sapphire from Sri Lanka 1.702ct loose (sugar loaf cut)
Sale price¥59,800
[KEN] Opal from Mexico 8mm/1.430ct loose
Sale price¥39,800
[KEN] Mexican fire opal 1.30ct loose
Sale price¥6,980
Australian opal 14.837ct loose
Sale price¥118,000
Colombian emerald 10.708ct rough stone
Sale price¥14,800
Trapiche emerald 0.650ct loose (reverse trapiche)
Sale price¥8,800
Star sapphire 0.973ct loose
Sale price¥5,980
Burmese unheated ruby 1.354ct loose
Sale price¥59,800
[KEN] Fire opal from Mexico 1.190ct loose
Sale price¥25,800
Ice blue sapphire 3.813ct loose
Sale price¥49,800
Cantera opal 12.211ct loose
Sale price¥8,800
Cantera Opal 46.175ct loose
Sale price¥19,800
Colombian emerald 4.205ct rough stone
Sale price¥15,800
Sri Lankan star sapphire 1.773ct loose
Sale price¥12,800
Green sapphire 7.545ct loose (spade cut)
Sale price¥69,800
Kenyan gold sheen sapphire 0.257ct loose
Sale price¥29,800
[KEN] Fire opal 0.448ct loose
Sale price¥6,980
Cantera opal 17.284ct loose
Sale price¥39,800
Cantera Opal 8.678ct loose
Sale price¥35,800
[Camellia cut] Opal 14mm loose with patch
Sale price¥128,000
Bicolor sapphire 2.394ct loose (sugar loaf cut)
Sale price¥88,000
Conch pearl 0.800ct loose
Sale price¥28,800
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.
