Russian rough diamond (sawable) 0.101ct loose
Sale price¥25,800
South African diamond rough (sawable) 0.110ct rough
Sale price¥25,800
South African diamond rough (sawable) 0.091ct rough
Sale price¥22,800
South African diamond rough (sawable) 0.085ct rough
Sale price¥19,800
Madagascar Blue Sapphire 0.316ct Loose
Sale price¥18,800
Madagascar Blue Sapphire 0.401ct Loose
Sale price¥14,800
0.735ct Madagascar Purple Sapphire Loose Stone
Sale price¥35,800
Madagascar sapphire 0.448ct loose stone
Sale price¥19,800
Madagascar Purple Sapphire 0.349ct Loose Stone
Sale price¥18,800
Russian White Topaz 6.255ct Loose
Sale price¥12,800
Brazilian Indigolite Tourmaline 7.002ct Loose Stone, Japan-Germany Exchange
Sale price¥198,000
Diamond (cabochon cut) 0.206ct loose
Sale price¥55,800
Bekily Blue Garnet (color change garnet) 0.114ct loose
Sale price¥11,800
Bekiri Blue Garnet (Color Change Garnet) 0.106ct Loose Stone
Sale price¥9,800
Sky blue topaz 1.719ct loose stone
Sale price¥9,800
Ethiopian Opal 0.788ct Loose (Sphere)
Sale price¥7,980
Ethiopian Opal 0.629ct Loose (Sphere)
Sale price¥7,980
Spessartite Garnet from Madagascar 1.053ct loose stone
Sale price¥29,800
Brazilian Pink Tourmaline 0.862ct Loose Stone
Sale price¥15,800
Salt and pepper diamond 0.348ct loose
Sale price¥39,800
Vietnam Aquamarine 0.398ct Loose
Sale price¥6,980
Vietnam Aquamarine 0.461ct Loose Stone
Sale price¥5,980
Brazilian Pink Tourmaline 0.470ct Loose Stone
Sale price¥12,800
Brazilian Pink Tourmaline 0.561ct Loose Stone
Sale price¥9,800
Brazilian pink tourmaline 0.968ct loose stone
Sale price¥25,800
Vietnam Aquamarine 0.494ct Loose Stone
Sale price¥8,800
Mozambique Ruby 0.244ct Loose
Sale price¥9,800
Mozambique Ruby 0.483ct Loose
Sale price¥15,800
Mozambique Ruby 0.226ct Loose
Sale price¥8,800
Sky blue topaz 0.830ct loose stone
Sale price¥6,980
Brazilian Blue Tourmaline 0.196ct Loose
Sale price¥8,800
Sri Lankan Yellow Sapphire 0.312ct Loose
Sale price¥8,800
Brazilian Green Tourmaline 2.218ct Loose
Sale price¥29,800
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.