Colombian emerald with pyrite 0.248ct rough stone
Sale price¥12,800
Chrysoberyl cat's eye 1.156ct loose stone
Sale price¥18,800
Chrysoberyl cat's eye 1.105ct loose stone
Sale price¥7,980
Chrysoberyl Cat's Eye 0.371ct Loose Stone
Sale price¥6,980
Chrysoberyl cat's eye 0.495ct loose stone
Sale price¥8,800
Benitoite 0.207ct loose stone
Sale price¥39,800
Pigeon Blood Ruby 0.441ct Loose Stone
Sale price¥69,800
[10/2 22:00 Sale] Ruby 0.289ct Loose by Takakikyo
Sale price¥12,800
Pigeon Blood Ruby 0.295ct Loose AIGS
Sale price¥49,800
[On sale at 10pm on 10/23] Royal Blue Sapphire 1.010ct Loose AIGS
Sale price¥198,000
Non-Oil Emerald 0.555ct Loose Stone by Nikkei
Sale price¥288,000
Colombian oil-free emerald 0.310ct loose stone
Sale price¥298,000
Brazilian Dumortierite in Quartz 0.676ct loose stone
Sale price¥8,800
Brazilian Dumortierite in Quartz 0.495ct loose stone
Sale price¥5,980
Brazilian Dumortierite in Quartz 0.387ct loose stone
Sale price¥5,980
Brazilian Dumortierite in Quartz 0.432ct Loose Stone
Sale price¥6,980
Golden Iolite (Cordierite) 0.402ct loose stone
Sale price¥8,800
Golden Iolite (Cordierite) 0.341ct loose stone
Sale price¥6,980
Madagascar Pezzottaite 0.229ct loose stone
Sale price¥19,800
Madagascar Pezzottaite 0.554ct loose stone
Sale price¥19,800
Madagascar Pezzottaite 0.386ct loose stone
Sale price¥9,800
Madagascar Pezzottaite 0.243ct loose stone
Sale price¥8,800
Sri Lankan Star Sapphire 1.339ct Loose
Sale price¥15,800
Sri Lankan Star Sapphire 1.682ct Loose
Sale price¥15,800
Sri Lankan Star Sapphire 1.225ct Loose
Sale price¥15,800
Windsor Sapphire 0.405ct loose stone from Windsor, Tanzania
Sale price¥16,800
Brazilian Santa Maria Aquamarine 0.228ct loose stone
Sale price¥6,980
Russian Demantoid Garnet (Horsetail) 2.9mm/0.194ct Loose Stone
Sale price¥29,800
Kenyan Tsavorite 0.379ct loose stone
Sale price¥35,800
{Yurakucho Marui 2024112 takeout} Bicolor tourmaline 1.074ct loose stone
Sale price¥15,800
Brazilian bicolor tourmaline 1.675ct loose stone
Sale price¥39,800
[Mr. KEN] Iolite 0.970ct loose stone
Sale price¥12,800
Tanzanite 1.004ct loose stone
Sale price¥22,800
Tanzanite 4.8mm/0.494ct loose stone
Sale price¥15,800
Bicolor Zoisite 0.450ct Loose Stone (Bicolor Tanzanite)
Sale price¥18,800
Green Zoisite 0.998ct Loose Stone
Sale price¥22,800
Lavender Tanzanite 0.784ct loose stone
Sale price¥14,800
[Mr. KEN] Topaz 0.950ct loose stone
Sale price¥8,800
Australian black opal 0.146ct loose stone (faceted cut)
Sale price¥8,800
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.