Aquamarine cat's eye 3.929ct loose
Sale price¥5,980
Aquamarine cat's eye 3.528ct loose
Sale price¥5,980
Paraiba tourmaline from Mozambique 2.072ct loose
Sale price¥148,000
Unheated silky pink sapphire from Vietnam 0.197ct loose
Sale price¥12,800
Unheated silky pink sapphire from Vietnam 0.247ct loose
Sale price¥12,800
Star garnet 14.400ct loose
Sale price¥11,000
Star garnet 14.600ct loose
Sale price¥11,000
Russian demantoid garnet (horsetail recognized) 6.3mm/1.058ct loose
Sale price¥398,000
Russian demantoid garnet (horsetail recognized) 3.7mm/0.231ct loose
Sale price¥22,800
Russian demantoid garnet (horsetail recognized) 3.6mm/0.239ct loose
Sale price¥16,800
Russian demantoid garnet (horsetail recognized) 3.8mm/0.232ct loose
Sale price¥18,800
Pink tourmaline 9.954ct loose
Sale price¥49,800
Unheated silky pink sapphire from Vietnam 0.198ct loose
Sale price¥8,800
Unheated silky pink sapphire from Vietnam 0.175ct loose
Sale price¥7,980
[Rouge cut] Almandine garnet 4.632ct loose
Sale price¥15,800
[Rouge cut] Almandine garnet 3.214ct loose
Sale price¥15,800
[Rouge cut] Almandine garnet 2.661ct loose
Sale price¥12,800
[Rouge cut] Almandine garnet 1.668ct loose
Sale price¥9,800
Mexican cantera opal 11.663ct loose
Sale price¥39,800
Diamond 0.051ct loose (trapeze cut, VS class equivalent)
Sale price¥9,800
Diamond 0.777ct loose (butterfly cut)
Sale price¥77,777
Mexican cantera opal 12.610ct loose
Sale price¥29,800
Chrome tourmaline from Tanzania 0.279ct loose
Sale price¥9,800
Almandine garnet 2.964ct loose
Sale price¥15,800
Brazilian bicolor tourmaline 7.489ct loose
Sale price¥49,800
Bicolor sapphire 0.231ct loose
Sale price¥6,980
Bicolor sapphire 0.207ct loose
Sale price¥6,980
Bicolor sapphire 0.190ct loose
Sale price¥6,980
Bicolor grossular garnet from Tanzania 2.454ct loose
Sale price¥12,800
Mexican Hyalite Opal 98.026ct rough stone
Sale price¥19,800
Mexican Hyalite Opal 63.479ct rough stone
Sale price¥19,800
Mexican Hyalite Opal 44.148ct rough stone
Sale price¥19,800
Mexican Hyalite Opal 32.877ct rough stone
Sale price¥19,800
Mexican Hyalite Opal 25.298ct rough stone
Sale price¥19,800
Mexican Hyalite Opal 13.614ct rough stone
Sale price¥15,800
Pink tourmaline 1.690ct loose
Sale price¥39,800
Bicolor tanzanite 0.581ct loose
Sale price¥23,800
Tanzanite 2.120ct loose
Sale price¥33,800
Rough Diamond (Makeable) 0.941ct Rough (VS Equivalent/Trigon)
Sale price¥198,000
Rough diamond (sawable) 0.890ct rough stone (VS equivalent/GI color)
Sale price¥158,000
Aquamarine 27.390ct rough stone from Vietnam
Sale price¥41,800
Australian black opal 2.122ct loose
Sale price¥24,800
Mexican fire opal 4.342ct loose
Sale price¥19,800
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.
