[On sale from 10pm on 5/5] Australian opal 0.423ct loose
Sale price¥6,980
[On sale from 10pm on 5/5] Australian opal 0.706ct loose stone
Sale price¥8,800
[12558827] Yellow sapphire 0.349ct loose stone
Sale price¥15,800
[On sale at 22:00 on 5/13] Bolivian Ametrine 3.751ct loose stone
Sale price¥9,800
[On sale 4/13 at 10pm] Brazilian Golden Beryl 7.3mm/1.391ct Loose
Sale price¥8,800
Sri Lankan Dunilite 0.142ct loose stone with certificate
Sale price¥25,800
Brazilian Ametrine 11.843ct loose stone
Sale price¥22,800
Bicolor sapphire 0.244ct loose
Sale price¥15,800
Bicolor sapphire 0.180ct loose
Sale price¥12,800
Bicolor sapphire 0.246ct loose stone
Sale price¥15,800
Bicolor sapphire 0.225ct loose
Sale price¥15,800
Bicolor sapphire 0.140ct loose
Sale price¥8,800
Spanish Sphalerite 5.3mm/1.009ct loose stone
Sale price¥6,980
Spanish Sphalerite 5.1mm/0.928ct loose stone
Sale price¥5,980
Spanish Sphalerite 5.9mm/1.132ct loose stone
Sale price¥6,980
Spanish Sphalerite 5.9mm/1.498ct loose stone
Sale price¥8,800
Spanish Sphalerite 6.3mm/1.771ct loose stone
Sale price¥8,800
Spanish Sphalerite 0.990ct loose stone
Sale price¥19,800
Spanish Sphalerite 0.949ct loose stone
Sale price¥18,800
Sri Lankan Yellow Sapphire 1.103ct Loose
Sale price¥19,800
Yellow sapphire from Sri Lanka 0.375ct loose
Sale price¥12,800
Madagascar Yellow Sapphire 0.493ct Loose
Sale price¥9,800
Canadian Shortite 0.423ct Loose Stone, Japan-Germany Mirror
Sale price¥69,800
Sri Lankan Yellow Sapphire 0.297ct Loose
Sale price¥8,800
Sri Lankan Yellow Sapphire 0.557ct Loose
Sale price¥12,800
Yellow Diamond 0.551ct Loose (Cabochon Cut)
Sale price¥49,800
Madagascar White Sapphire 0.485ct Loose
Sale price¥19,800
Madagascar sphene 1.751ct loose stone
Sale price¥19,800
Madagascar sphene 1.003ct loose stone
Sale price¥35,800
Diamond (cabochon cut) 0.247ct loose (VS-SI class equivalent)
Sale price¥39,800
Sillimanite from Sri Lanka 0.183ct loose stone
Sale price¥6,980
Sri Lankan Yellow Sapphire 0.324ct Loose
Sale price¥9,800
Sri Lankan Yellow Sapphire 0.124ct Loose
Sale price¥4,980
Sri Lankan Yellow Sapphire 0.189ct Loose
Sale price¥5,980
Sri Lankan Yellow Sapphire 0.392ct Loose
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.