Opal 1.382ct loose
Sale price¥8,800
[Mr. KEN] Yellow sapphire 0.474ct loose
Sale price¥6,980
Emerald 0.111ct loose
Sale price¥14,800
《Yurakucho Marui 2024112 takeout》Emerald cat's eye 4.070ct loose stone
Sale price¥198,000
Unheated sapphire 2.430ct loose GIA
Sale price¥298,000
Pink sapphire 0.934ct loose
Sale price¥19,800
[Mr. KEN] Mexican fire opal 1.580ct loose
Sale price¥35,800
[Mr. KEN] Mexican fire opal 1.330ct loose
Sale price¥35,800
[Mr. KEN] Mexican fire opal 1.610ct loose
Sale price¥35,800
[KEN] Montana Sapphire 4mm/0.330ct loose
Sale price¥7,980
Fire opal 3.160ct loose
Sale price¥39,800
Ruby from Burma 3.72ct loose GIA
Sale price¥198,000
Purple sapphire 0.313ct loose
Sale price¥8,800
Purple sapphire 0.220ct loose
Sale price¥4,980
Purple sapphire 0.240ct loose
Sale price¥5,980
Pink sapphire 0.278ct loose
Sale price¥8,800
Star sapphire 2.580ct loose
Sale price¥14,800
Bicolor sapphire 0.334ct loose
Sale price¥12,800
Bicolor sapphire 0.304ct loose
Sale price¥19,800
Bicolor sapphire 0.301ct loose
Sale price¥12,800
Pink sapphire 0.301ct loose (silky pink)
Sale price¥15,800
Bicolor sapphire 0.149ct loose
Sale price¥8,800
Bicolor sapphire 0.323ct loose
Sale price¥12,800
Bicolor sapphire 0.960ct loose
Sale price¥24,800
Bicolor sapphire 0.800ct loose
Sale price¥19,800
Padparadscha Sapphire 6.4mm/1.208ct Loose Medium Treasure Guide
Sale price¥328,000
Bangkacha sapphire (star sapphire) 3.840ct loose
Sale price¥19,800
Bangkacha sapphire (star sapphire) 3.620ct loose
Sale price¥12,800
Bangkacha sapphire (star sapphire) 2.410ct loose
Sale price¥15,800
Bangkacha sapphire (star sapphire) 1.990ct loose
Sale price¥6,980
Bicolor sapphire 0.468ct loose
Sale price¥12,800
Bicolor sapphire 0.386ct loose
Sale price¥49,800
Bicolor sapphire 0.216ct loose
Sale price¥25,800
Bicolor sapphire 0.333ct loose
Sale price¥39,800
Bicolor sapphire 0.303ct loose
Sale price¥35,800
Bicolor sapphire 0.262ct loose
Sale price¥25,800
Diamond 0.065ct loose (equivalent to VS class)
Sale price¥12,800
Diamond 0.054ct loose (VS class equivalent, emerald cut)
Sale price¥12,800
Diamond 0.054ct loose (SI class equivalent, emerald cut)
Sale price¥7,980
Diamond 0.049ct loose (VS class equivalent, emerald cut)
Sale price¥9,800
Diamond 0.046ct loose (VS class equivalent, emerald cut)
Sale price¥11,000
Colombian emerald cat's eye 0.112ct loose
Sale price¥12,800
Colombian emerald cat's eye 0.094ct loose
Sale price¥11,800
Colombian emerald cat's eye 0.093ct loose
Sale price¥12,800
Colombian emerald cat's eye 0.087ct loose
Sale price¥9,800
Colombian emerald cat's eye 0.084ct loose
Sale price¥11,000
Colombian emerald cat's eye 0.065ct loose
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.