Bangkacha sapphire (star sapphire) 69.655ct loose
Sale price¥198,000
Bancacha sapphire (star sapphire) 0.720ct loose
Sale price¥3,980
[E_27 Yurakucho Marui Take-out] Star Sapphire 2.580ct Loose
Sale price¥14,800
Bangkacha sapphire (star sapphire) 3.840ct loose
Sale price¥19,800
Bangkacha sapphire (star sapphire) 3.620ct loose
Sale price¥12,800
Bangkacha sapphire (star sapphire) 2.410ct loose
Sale price¥15,800
Bangkacha sapphire (star sapphire) 1.990ct loose
Sale price¥6,980
Black Star Sapphire 1.410ct loose
Sale price¥14,800
Black star sapphire 0.930ct loose
Sale price¥8,800
Star sapphire 0.768ct loose
Sale price¥3,980
Yellow Star Sapphire 22.023ct loose
Sale price¥59,800
Black Star Sapphire 3.870ct loose
Sale price¥19,800
Black Star Sapphire 2.060ct loose
Sale price¥8,800
Black Star Sapphire 1.250ct loose
Sale price¥8,800
[E_27 Yurakucho Marui Take-out] Black Star Sapphire 1.090ct Loose
Sale price¥8,800

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.