Cantera opal 6.126ct loose
Sale price¥8,800
Diamond 2.810ct rough stone
Sale price¥12,800
《Yurakucho Marui 2024112 takeout》 Trapiche emerald 2.730ct loose
Sale price¥98,000
Colombian emerald cat's eye 0.417ct loose
Sale price¥59,800
Fire opal 2 stone set 1.440ct loose
Sale price¥8,800
Colombian emerald 3mm/0.126ct loose
Sale price¥32,800
Colombian emerald 3.1mm/0.117ct loose stone from Yurakucho Marui 2024112
Sale price¥29,800
Yellow diamond 2.6mm loose (equivalent to VS class)
Sale price¥15,800
Emerald 0.295ct loose
Sale price¥19,800
{Yurakucho Marui 2024112 takeout} Bicolor sapphire 0.417ct loose stone
Sale price¥45,800
Bicolor sapphire 0.279ct loose
Sale price¥25,800
《Yurakucho Marui 2024112 takeout》Colombian emerald 0.225ct loose stone
Sale price¥15,800
《Yurakucho Marui 2024112 takeout》Colombian emerald 0.495ct loose stone
Sale price¥39,800
Emerald 0.208ct loose
Sale price¥15,800
《Yurakucho Marui 2024112 takeout》 Emerald 0.153ct loose stone
Sale price¥14,800
《Yurakucho Marui 2024112 takeout》Colombian emerald 0.156ct loose stone
Sale price¥19,800
Bicolor sapphire 0.311ct loose
Sale price¥19,800
Bicolor sapphire 0.202ct loose
Sale price¥22,800
[KEN] Fire opal 1.381ct loose
Sale price¥6,980
[Mr. KEN] Fire Opal 0.937ct Loose
Sale price¥4,980
Emerald 15.219ct loose Japanese-German book
Sale price¥298,000
Bicolor sapphire from Tanzania 1.20ct loose (Windsor sapphire)
Sale price¥9,800
Diamond 0.334ct loose (F, SI1)
Sale price¥55,800
Diamond 0.169ct loose (F, VS2)
Sale price¥25,800
Yellow diamond 2.8mm/0.102ct loose (TLC/VS class equivalent)
Sale price¥12,800
Pair of 2 yellow diamonds 2.5mm/0.162ct loose (TLC/VS class equivalent)
Sale price¥18,800
Cantera Opal 18.00ct loose
Sale price¥39,800
Fire opal 9.430ct loose
Sale price¥49,800
Fire opal 2.250ct loose
Sale price¥14,800
Fire opal 1.110ct loose
Sale price¥6,980
Fire opal 0.780ct loose
Sale price¥6,980
Fire opal 0.640ct loose
Sale price¥5,980
Fire opal 0.390ct loose
Sale price¥4,980
Fire opal 0.330ct loose
Sale price¥3,980
Conch pearl 0.775ct loose《June birthstone》
Sale price¥49,800
Amazon green opal 1.530ct loose
Sale price¥5,980
Amazon green opal 1.330ct loose
Sale price¥5,980
Star sapphire 0.768ct loose
Sale price¥3,980
Mexican fire opal 0.740ct loose
Sale price¥11,800
Bicolor sapphire 0.730ct loose
Sale price¥19,800
Bicolor sapphire from Tanzania 1.680ct loose (Windsor sapphire)
Sale price¥9,800
Bicolor kyanite from Nepal 0.910ct loose
Sale price¥12,800
Amazon green opal 1.670ct loose
Sale price¥5,980
Amazon green opal 2.610ct loose
Sale price¥8,800
Amazon green opal 1.460ct loose
Sale price¥4,980
Trapiche emerald 1.319ct loose
Sale price¥12,800
Trapiche emerald 1.284ct loose
Sale price¥15,800
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.
