Sphene 0.680ct loose
Sale price¥8,800
Sphene 0.570ct loose
Sale price¥9,800
Madeira Citrine 6.8mm/1.110ct Loose
Sale price¥5,980
Bicolor sapphire 0.333ct loose
Sale price¥39,800
Bicolor sapphire 0.303ct loose
Sale price¥35,800
Tinker Bell Quartz (Pink Fire Quartz) 4.977ct loose
Sale price¥25,800
Tinker Bell Quartz (Pink Fire Quartz) 4.670ct loose
Sale price¥29,800
Tinker Bell Quartz (Pink Fire Quartz) 5.011ct loose
Sale price¥29,800
Tinker Bell Quartz (Pink Fire Quartz) 3.207ct loose
Sale price¥19,800
Dumortierite in quartz 1.410ct loose
Sale price¥11,800
Dumortierite in quartz 1.270ct loose
Sale price¥8,800
Dumortierite in quartz 0.620ct loose
Sale price¥4,980
Morganite 0.670ct loose
Sale price¥5,980
Morganite 0.610ct loose
Sale price¥4,980
Morganite 0.560ct loose
Sale price¥3,980
Morganite 1.950ct loose
Sale price¥14,800
Morganite 0.520ct loose
Sale price¥3,980
Diamond 0.054ct loose (VS class equivalent, emerald cut)
Sale price¥12,800
Diamond 0.054ct loose (SI class equivalent, emerald cut)
Sale price¥7,980
Diamond 0.049ct loose (VS class equivalent, emerald cut)
Sale price¥9,800
Tinker Bell Quartz (Pink Fire Quartz) 4.631ct loose
Sale price¥24,800
Tinker Bell Quartz (Pink Fire Quartz) 2.765ct loose
Sale price¥14,800
Hessonite Garnet 0.309ct Loose Stone
Sale price¥5,980
Malaya garnet 0.972ct loose
Sale price¥14,800
Tinker Bell Quartz (Pink Fire Quartz) 2.528ct loose
Sale price¥14,800
Colombian emerald cat's eye 0.112ct loose
Sale price¥12,800
Colombian emerald cat's eye 0.094ct loose
Sale price¥11,800
Colombian emerald cat's eye 0.093ct loose
Sale price¥12,800
Colombian emerald cat's eye 0.084ct loose
Sale price¥11,000
Andesine Labradorite (commonly known as Rainbow Moonstone) 1.652ct loose
Sale price¥29,800
Andesine Labradorite (commonly known as Rainbow Moonstone) 1.030ct loose
Sale price¥19,800
Amazon green opal 2.790ct loose
Sale price¥12,800
Amazon green opal 3.220ct loose
Sale price¥8,800
Amazon green opal 2.580ct loose
Sale price¥9,800
Amazon green opal 2.480ct loose
Sale price¥9,800
Amazon green opal 1.750ct loose
Sale price¥8,800
Amazon green opal 1.680ct loose
Sale price¥6,980
Amazon green opal 1.660ct loose
Sale price¥8,800
Amazon green opal 1.620ct loose
Sale price¥6,980
Amazon green opal 1.490ct loose
Sale price¥6,980
Amazon green opal 1.490ct loose
Sale price¥5,980
Amazon green opal 1.140ct loose
Sale price¥5,980
Russian demantoid garnet (horsetail recognized) 2mm/0.055ct loose
Sale price¥9,800
Burmese Purple Spinel 0.730ct Loose Stone
Sale price¥14,800

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.