Montana Sapphire 0.515ct loose (bicolor sapphire)
Sale price¥19,800
Montana Sapphire 0.561ct loose (bicolor sapphire)
Sale price¥22,800
Montana Sapphire 0.308ct loose (bicolor sapphire)
Sale price¥14,800
Montana Sapphire 0.449ct loose (bicolor sapphire)
Sale price¥17,800
Bicolor sapphire from Tanzania 0.628ct loose
Sale price¥15,800
Bicolor sapphire from Tanzania 0.540ct loose
Sale price¥14,800
Bicolor sapphire from Tanzania 0.552ct loose
Sale price¥15,800
Tanzanian bicolor sapphire 0.495ct loose stone
Sale price¥9,800
Bicolor sapphire from Tanzania 0.184ct loose
Sale price¥6,980
Bicolor sapphire from Madagascar 0.259ct loose
Sale price¥9,800
Bicolor sapphire from Madagascar 0.249ct loose
Sale price¥12,800
Bicolor sapphire from Madagascar 0.293ct loose
Sale price¥18,800
Bicolor sapphire from Madagascar 0.198ct loose
Sale price¥9,800
Bicolor sapphire from Madagascar 0.231ct loose
Sale price¥18,800
Bicolor sapphire from Madagascar 0.212ct loose
Sale price¥9,800
Bicolor sapphire 0.335ct loose
Sale price¥9,800
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 sapphire 0.478ct loose (color shift)
Sale price¥19,800
Bicolor sapphire 0.368ct loose
Sale price¥29,800
Bicolor sapphire 1.030ct loose from Windsor, Tanzania
Sale price¥98,000
Bicolor sapphire 0.853ct loose stone
Sale price¥15,800
K18 bicolor sapphire 0.129ct/blue sapphire ring
Sale price¥69,800
Bicolor sapphire 1.020ct loose
Sale price¥69,800
Bicolor sapphire 0.292ct loose
Sale price¥25,800
Bicolor sapphire 0.626ct loose
Sale price¥39,800
[E_27 Yurakucho Marui Take-out] Bicolor Sapphire 0.856ct Loose
Sale price¥22,800
Bicolor sapphire 0.334ct loose
Sale price¥12,800
Bicolor sapphire 0.304ct loose
Sale price¥19,800
Bicolor sapphire 0.301ct loose
Sale price¥12,800
Bicolor sapphire 0.149ct loose
Sale price¥8,800
Bicolor sapphire 0.323ct loose
Sale price¥12,800
Bicolor sapphire 0.960ct loose
Sale price¥24,800
Bicolor sapphire 0.800ct loose
Sale price¥19,800
Bicolor sapphire 0.333ct loose
Sale price¥39,800
Bicolor sapphire 0.303ct loose
Sale price¥35,800
Bicolor sapphire 0.262ct loose
Sale price¥25,800
Bicolor sapphire 0.298ct loose
Sale price¥44,800
[E_27 Yurakucho Marui Take-out] Bicolor Sapphire 0.263ct Loose
Sale price¥39,800
Bicolor sapphire 0.562ct loose
Sale price¥14,800
Bicolor sapphire 0.374ct loose
Sale price¥9,800
Bicolor sapphire from Tanzania 0.970ct loose (Windsor sapphire)
Sale price¥6,980
Bicolor sapphire 0.380ct loose
Sale price¥15,800

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.