Round Cut
Diamond 3.8mm/0.200 loose (E, VVS1, VeryGood)
Sale price¥39,800
Diamond 3.8mm/0.220 Loose (H, VS1, 3Excellent H&C)
Sale price¥45,800
Diamond 3.8mm/0.209 Loose (G, VVS1, 3Excellent H&C)
Sale price¥59,800
Synthetic Moissanite 5.9mm/0.648ct Loose Stone
Sale price¥9,800
Synthetic Moissanite 6.0mm/0.672ct Loose Stone
Sale price¥9,800
Synthetic Moissanite 5.9mm/0.651ct Loose Stone
Sale price¥9,800
Hackmanite from Afghanistan 4.0mm/0.181ct loose stone
Sale price¥9,800
Mexican Hyalite Opal 6.1mm/0.810ct Loose
Sale price¥15,800
Mexican Hyalite Opal 6.0mm/0.676ct Loose Stone
Sale price¥15,800
Mexican Hyalite Opal 5.0mm/0.449ct Loose Stone
Sale price¥9,800
Tanzanian grey spinel 5.1mm/0.605ct loose stone
Sale price¥12,800
Indian Moonstone 10mm/3.336ct Loose
Sale price¥9,800
Indian Moonstone 10mm/2.720ct Loose
Sale price¥9,800
Mexican Fire Opal 1.135ct Loose
Sale price¥9,800
Burmese Red Spinel 3.6mm/0.216ct Loose Stone
Sale price¥8,800
Brazilian rutilated quartz (rutilated quartz) 8.0mm/1.335ct loose stone
Sale price¥12,800
Brazilian rutilated quartz (rutilated quartz) 7.8mm/1.320ct loose stone
Sale price¥12,800
Brazilian rutilated quartz (rutilated quartz) 8.1mm/1.619ct loose stone
Sale price¥12,800
Brazilian rutilated quartz (rutilated quartz) 7.8mm/1.307ct loose stone
Sale price¥12,800
Brazilian Paraiba Tourmaline in Quartz 6.0mm/0.441ct Loose Stone
Sale price¥22,800
Brazilian Paraiba Tourmaline in Quartz 6.0mm/0.568ct Loose Stone
Sale price¥22,800
Blue sapphire 3.9mm/0.279ct loose stone
Sale price¥9,800
Blue sapphire 3.9mm/0.260ct loose stone
Sale price¥8,800
Blue sapphire 4.0mm/0.269ct loose stone
Sale price¥8,800
Indian Iolite Sunstone 4.1mm/0.230ct Loose Stone
Sale price¥8,800
Mexican Fire Opal (Faceted) 6.1mm/0.450ct Loose
Sale price¥12,800
Myanmar spinel 4.0mm/0.263ct loose stone
Sale price¥7,980
Blue beryl (Macis beryl) 3.5mm/0.152ct loose stone
Sale price¥8,800
Blue Beryl (Macisi Beryl) 3.6mm/0.176ct loose stone
Sale price¥8,800
Indian Moonstone 6.2mm/0.749ct Loose
Sale price¥7,980
Brazilian rutilated quartz (rutile quartz) 12mm/7.140ct loose stone
Sale price¥9,800
Brazilian rutilated quartz (rutile quartz) 12mm/6.709ct loose stone
Sale price¥9,800
Colombian emerald 3.5mm/0.150ct loose stone
Sale price¥22,800
American Red Beryl 3.0mm/0.080ct Loose Stone
Sale price¥39,800
Madagascar sapphire 3.0mm/0.126ct loose stone
Sale price¥8,800
Madagascar Sphene 6.2mm/0.906ct Loose Stone
Sale price¥12,800
Tanzanite from Tanzania 4.6mm/0.429ct loose stone
Sale price¥12,800
Tanzania Bicolor Zoisite 4.6mm/0.401ct Loose Stone
Sale price¥12,800
Tanzania Bicolor Zoisite 0.450ct Loose Stone
Sale price¥9,800
Tanzania Bicolor Zoisite 4.7mm/0.415ct Loose Stone
Sale price¥12,800
Tanzanite from Tanzania 0.478ct loose stone
Sale price¥9,800
Spanish Sphalerite 7mm/1.676ct loose stone
Sale price¥35,800
Montana Sapphire 3.0mm/0.119ct Loose (Blue Sapphire)
Sale price¥6,980
Montana Sapphire 3.7mm/0.272ct Loose Stone (Blue Sapphire)
Sale price¥9,800
American Neptunite 2.9mm/0.109ct loose stone
Sale price¥12,800
Celestite from Madagascar 11.5mm/7.246ct loose stone
Sale price¥18,800
Celestite from Madagascar 11.0mm/7.556ct loose stone
Sale price¥18,800
Celestite from Madagascar 8.7mm/4.425ct 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.
