Blue Zircon (Ratanakiri Blue) 23.12ct loose
Sale price¥498,000
Pakistani Bicolor Sphene 3.980ct Ruth (July Birthstone)
Sale price¥248,000
Bicolor pink euclase from Brazil 0.310ct loose Japanese-German edition
Sale price¥198,000
Kunzite 50.260ct loose
Sale price¥198,000
Hackmanite 1.060ct loose
Sale price¥198,000
Aquamarine 9.00ct loose
Sale price¥148,000
[Koshu Precious Stone Kiriko] Oregon Sunstone 2.650ct Loose with Patch
Sale price¥69,800
Fire opal 52.470ct loose
Sale price¥69,800
[Koshu Precious Stone Kiriko] Scapolite 2.01ct loose with patch
Sale price¥59,800
[Koshu Precious Stone Kiriko] Tinkerbell Quartz 3.790ct loose with patch
Sale price¥49,800
Rough diamond (makeable) 0.353ct loose
Sale price¥33,800
Boulder opal 4.720ct loose
Sale price¥29,800
Morganite 3.220ct loose
Sale price¥19,800
White sapphire 0.418ct loose
Sale price¥16,800
[KEN] Aquamarine 0.940ct loose
Sale price¥12,800
[Camellia cut] Yellow agate 10mm loose with autograph and patch
Sale price¥9,800
[KEN] Zircon 0.654ct loose
Sale price¥9,800
Afghanite 0.210ct loose
Sale price¥8,800
Inventory Investigation: Set of 2 White Topaz, 4.240ct Loose
Sale price¥8,800
[KEN] Fluorite 1.420ct loose
Sale price¥6,980
Dumortierite in quartz 0.930ct loose
Sale price¥5,980
Cornerpine 0.890ct rough stone
Sale price¥5,980
Morganite 0.670ct loose
Sale price¥5,980
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.