Star sapphire 0.768ct loose
Sale price¥3,980
Bicolor sapphire from Tanzania 1.680ct loose (Windsor sapphire)
Sale price¥9,800
Cornflower Blue Sapphire 4.9mm/0.55ct Loose AIGS
Sale price¥128,000
Bicolor sapphire 0.303ct loose
Sale price¥15,800
Pink sapphire 0.270ct loose
Sale price¥8,800
Kunzite 50.260ct loose
Sale price¥198,000
Kunzite 37.35ct loose
Sale price¥59,800
[E_27 Yurakucho Marui Take-out] Bicolor Sapphire 0.244ct Loose
Sale price¥15,800
Bicolor sapphire 0.193ct loose
Sale price¥9,800
Bicolor sapphire 0.148ct loose
Sale price¥15,800
Yellow Star Sapphire 22.023ct loose
Sale price¥59,800
Vietnam Pink Sapphire 1.690ct Loose GIA
Sale price¥88,000
Royal blue sapphire 2.22ct loose AIGS
Sale price¥398,000
Kunzite 69.735ct loose
Sale price¥198,000
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
Yellow sapphire 0.231ct loose
Sale price¥4,980
Bicolor sapphire 0.302ct loose
Sale price¥6,980
Yellow sapphire 1.110ct loose
Sale price¥19,800

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.