Pink tourmaline 0.157ct loose
Sale price¥6,980
[KEN] Green tourmaline 0.840ct loose (pixel cut)
Sale price¥15,800
[KEN] Lavender tanzanite 1.620ct loose
Sale price¥15,800
[KEN] Topaz 1.680ct loose
Sale price¥22,800
[KEN] Topaz from Mexico 1.66ct loose
Sale price¥18,800
Bicolor sapphire 0.626ct loose
Sale price¥39,800
[KEN] Citrine 1.730ct loose
Sale price¥6,980
Pink Imperial Topaz 0.847ct Loose Stone (Yurakucho Marui 2024112)
Sale price¥39,800
Pink imperial topaz 0.581ct loose
Sale price¥25,800
Pink imperial topaz 0.501ct loose
Sale price¥19,800
[Confetti] Rose amethyst 3.431ct loose stone
Sale price¥22,800
Kenyan gold sheen sapphire 2.2mm/0.052ct loose
Sale price¥12,800
Paraiba tourmaline from Brazil 0.025ct loose (CuO:1.4%, MnO:1.3%)
Sale price¥12,800
Paraiba tourmaline from Brazil 0.019ct loose (CuO:1.6%, MnO:1.5%)
Sale price¥12,800
Brazilian Paraiba tourmaline 0.017ct loose (CuO:2.1%, MnO:0.9%)
Sale price¥14,800
Paraiba tourmaline from Brazil 0.217ct loose (CuO:1.5%, MnO:0.5%)
Sale price¥45,800
Pyrope spessartine garnet (color change garnet) 1.707ct loose
Sale price¥45,800
Pyrope spessartine garnet (color change garnet) 1.297ct loose
Sale price¥39,800
Pyrope spessartine garnet (color change garnet) 1.171ct loose
Sale price¥35,800
[Mr. KEN] African bicolor tourmaline 0.950ct loose (phantom cut)
Sale price¥12,800
Bancacha sapphire (star sapphire) 0.720ct loose
Sale price¥3,980
Pyrope spessartine garnet (color change garnet) 0.90ct loose
Sale price¥12,800
Pyrope spessartine garnet (color change garnet) 0.670ct loose
Sale price¥8,800
Paraiba tourmaline from Brazil 0.230ct loose (CuO:0.8%, MnO:3.3%)
Sale price¥35,800
Bicolor sapphire 1.703ct loose
Sale price¥59,800
{Yurakucho Marui 2024112 takeout} Bicolor sapphire 0.856ct loose stone
Sale price¥22,800
Russian demantoid garnet (horsetail recognized) 5.2mm/0.633ct loose
Sale price¥248,000
Conch pearl (with flame pattern) 0.862ct loose
Sale price¥15,800
Conch pearl 0.818ct loose
Sale price¥14,800
Conch pearl 0.648ct loose
Sale price¥12,800
Conch pearl (with flame pattern) 0.620ct loose
Sale price¥15,800
Conch pearl (with flame pattern) 0.432ct loose
Sale price¥15,800
Conch pearl (with flame pattern) 1.560ct loose
Sale price¥37,800
Conch pearl (with flame pattern) 0.960ct loose
Sale price¥25,800
Conch pearl (with flame pattern) 0.950ct loose
Sale price¥29,800
Conch pearl (with flame pattern) 0.840ct loose
Sale price¥19,800
Conch pearl 0.870ct loose
Sale price¥15,800
Conch pearl 0.970ct loose (with flame pattern)
Sale price¥19,800
Russian demantoid garnet (horsetail recognized) 4.6mm/0.425ct loose
Sale price¥98,000
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.