Sri Lankan Yellow Sapphire 0.344ct Loose
Sale price¥8,800
Sri Lankan Yellow Sapphire 0.300ct Loose
Sale price¥8,800
Madagascar sphene 0.483ct loose stone
Sale price¥8,800
Mexican Yellow Opal 0.673ct Loose
Sale price¥8,800
Mexican Yellow Opal 0.428ct Loose
Sale price¥8,800
Sri Lankan Yellow Sapphire 0.593ct Loose
Sale price¥15,800
Sri Lankan Yellow Sapphire 0.299ct Loose
Sale price¥12,800
Sri Lankan Yellow Sapphire 0.261ct Loose
Sale price¥12,800
Afghanistan Stibiotantalite 0.334ct Loose Stone, Japan-Germany Mirror
Sale price¥98,000
Diamond (cabochon cut) 0.183ct loose
Sale price¥24,800
Myanmar Taaffeite 0.650ct Loose GIT
Sale price¥39,800
Synthetic Moissanite 12.5mm/6.579ct Loose Stone
Sale price¥29,800
Sri Lankan Goethite Topaz 4.992ct Loose Stone
Sale price¥14,800
Umba Sapphire (Tanzania) 0.182ct loose stone
Sale price¥7,980
[Koshu Precious Stone Cutting Pluethree] Yellow Beryl 0.880ct Loose
Sale price¥29,800
Madagascar sphene 2.791ct loose stone
Sale price¥98,000
Czech Aragonite 8.0mm/2.082ct Loose Stone
Sale price¥69,800
Japanese style twin crystal 4.715ct raw stone
Sale price¥15,800
Spanish bicolor sphalerite 3.504ct loose stone
Sale price¥38,800
1.953ct Bicolor Sphalerite from Spain
Sale price¥25,800
Madagascar sphene 0.423ct loose stone
Sale price¥6,980
Madagascar sphene 0.266ct loose stone
Sale price¥3,980
Mexican Fire Opal 0.213ct Loose (Faceted Cut)
Sale price¥9,800
Mexican Fire Opal 0.356ct Loose (Faceted Cut)
Sale price¥9,800
Madagascar Yellow Sapphire 0.863ct Loose
Sale price¥18,800
Yellow Sapphire 4.0mm/0.266ct Loose
Sale price¥12,800
Golden sapphire 0.269ct loose stone
Sale price¥16,800
Montana Sapphire 0.405ct Loose (Green Sapphire)
Sale price¥9,800
Canary Yellow Tourmaline from Mozambique 0.223ct loose stone
Sale price¥8,800
Sri Lankan glass body (sapphire crystal) 6.939ct rough stone
Sale price¥15,800
Sri Lankan glass body (sapphire crystal) 8.654ct rough stone
Sale price¥19,800
Sri Lankan glass body (sapphire crystal) 11.126ct rough stone
Sale price¥29,800
Sri Lankan glass body (sapphire crystal) 5.355ct rough stone
Sale price¥9,800
Nigerian Yellow Beryl (Heliodor) 4mm/0.188ct Loose Stone
Sale price¥3,980
Ethiopian honeycomb opal 2.056ct loose stone
Sale price¥17,800
Brazilian Yellow Beryl 11.411ct Loose Stone, Japan-Germany Exchange
Sale price¥25,800
Madagascar Yellow Sapphire 0.283ct Loose
Sale price¥6,980
Bicolor sapphire 0.825ct loose stone
Sale price¥49,800
Sri Lankan Chrysoberyl Cat's Eye 1.514ct Loose Stone
Sale price¥6,980
Sri Lankan Chrysoberyl Cat's Eye 1.074ct Loose Stone
Sale price¥5,980
Sri Lankan Chrysoberyl Cat's Eye 1.355ct Loose Stone
Sale price¥6,980
Spanish Sphalerite 7.0mm/1.753ct loose stone
Sale price¥35,800
Sri Lankan Yellow Sapphire 0.349ct Loose
Sale price¥12,800
Sri Lankan Yellow Sapphire 0.406ct Loose
Sale price¥9,800
Synthetic Moissanite 5.8mm/0.678ct Loose Stone
Sale price¥9,800

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.