Australian black opal 9.709ct loose stone
Sale price¥158,000
Tanzanian bicolor sapphire 0.818ct loose stone (tricolor sapphire)
Sale price¥198,000
Diamond 3.6mm/0.189ct loose (cabochon cut, bicolor fluorescent)
Sale price¥49,800
Diamond 0.128ct loose stone (cabochon cut, maroon cut)
Sale price¥39,800
Madagascar pink sapphire 0.307ct loose stone
Sale price¥12,800
Colombian pyrite-mica emerald 0.244ct loose stone
Sale price¥12,800
Colombian Mica in Emerald 0.341ct Loose Stone
Sale price¥18,800
Colombian pyrite-mica emerald 0.562ct loose stone
Sale price¥29,800
Colombian pyrite-mica emerald 0.594ct 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 pyrite-mica emerald 1.054ct loose stone
Sale price¥55,800
Colombian emerald rough stone 1.707ct
Sale price¥18,800
Australian Boulder Opal 23.164ct Loose
Sale price¥128,000
Madagascar Padparadscha Sapphire 0.208ct Loose DGL
Sale price¥33,800
Madagascar Padparadscha Sapphire 0.215ct Loose DGL
Sale price¥34,800
Madagascar Padparadscha Sapphire 0.205ct Loose DGL
Sale price¥32,800
Madagascar Padparadscha Sapphire 4.3mm/0.345ct Loose DGL
Sale price¥55,800
Madagascar Padparadscha Sapphire 3.4mm/0.214ct Loose DGL
Sale price¥35,800
Colombian emerald 0.191ct loose
Sale price¥22,800
《Yurakucho Marui 2024112 takeout》Colombian emerald 0.258ct loose stone
Sale price¥29,800
《Yurakucho Marui 2024112 takeout》Colombian emerald 0.222ct loose stone
Sale price¥28,800
Colombian emerald 0.231ct loose stone
Sale price¥28,800
Colombian emerald 0.215ct loose stone
Sale price¥25,800
Mexican Fire Opal 0.576ct Loose (Faceted Cut)
Sale price¥9,800
Mexican Opal 0.492ct Loose (Faceted Cut)
Sale price¥9,800
Mexican Fire Opal 0.212ct Loose (Faceted Cut)
Sale price¥8,800
Mexican Fire Opal 1.222ct Loose (Faceted Cut)
Sale price¥12,800
Sri Lankan White Sapphire 4mm/0.309ct Loose
Sale price¥12,800
Australian White Opal 0.562ct Loose
Sale price¥8,800
《Yurakucho Marui 2024112 takeout》Australian opal 0.744ct loose
Sale price¥12,800
Mexican Fire Opal 0.213ct Loose (Faceted Cut)
Sale price¥9,800
Mexican Fire Opal 0.356ct Loose (Faceted Cut)
Sale price¥9,800
Mexican Fire Opal 6.9mm/0.792ct Loose (Faceted Cut)
Sale price¥19,800
Silky pink sapphire from Madagascar 0.310ct loose stone
Sale price¥9,800
Silky pink sapphire from Madagascar 0.672ct loose stone
Sale price¥15,800
Mexican Fire Opal 2.587ct Loose
Sale price¥18,800
Sri Lankan Silky Sapphire 6.4mm/1.036ct Loose Stone
Sale price¥12,800
Silky Sapphire from Sri Lanka 1.716ct loose stone
Sale price¥14,800
Blue sapphire 0.697ct loose
Sale price¥24,800
Madagascar Yellow Sapphire 0.863ct Loose
Sale price¥18,800
Cornflower Blue Sapphire 1.210ct Loose AIGS
Sale price¥198,000
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.
