Diamond 0.129ct loose (F, SI-1)
Sale price¥29,800
Diamond 0.348ct loose (I, SI1)
Sale price¥59,800
Hollandite in quartz 7.640ct loose
Sale price¥18,800
Hollandite in quartz 4.840ct loose
Sale price¥15,800
Hollandite in quartz 3.060ct loose
Sale price¥12,800
Andalusite 5mm/0.480ct loose
Sale price¥5,980
Fire opal 1.290ct loose
Sale price¥8,800
Bicolor kyanite from Nepal 0.860ct loose
Sale price¥9,800
Bicolor kyanite from Nepal 1.070ct loose
Sale price¥15,800
Smoky quartz 2 stone set 12.940ct loose (checkerboard cut)
Sale price¥3,980
Smithsonite 5.590ct loose
Sale price¥22,800
Smithsonite 1.130ct loose
Sale price¥5,980
Smithsonite 2.650ct loose
Sale price¥12,800
Amazon green opal 1.120ct loose
Sale price¥4,980
Amazon green opal 1.040ct loose
Sale price¥4,980
Medusa Quartz (Paraiba Quartz) 2.310ct loose
Sale price¥12,800
Pink diamond 0.191ct loose (VERY LIGHT ORANGY PINK, SI2)
Sale price¥59,800
Red beryl 0.109ct loose
Sale price¥24,800
Red beryl 0.102ct loose
Sale price¥19,800
Red beryl 0.098ct loose
Sale price¥22,800
Red beryl 0.059ct loose
Sale price¥12,800
Red beryl 0.054ct loose
Sale price¥13,800
Red beryl 0.166ct loose
Sale price¥59,800
Red beryl 0.318ct loose
Sale price¥35,800
Kyanite 5.960ct loose (royal blue color)
Sale price¥69,800
Kunzite 10.560ct loose
Sale price¥14,800
Kunzite 10.01ct loose
Sale price¥15,800
Kunzite 5.490ct loose
Sale price¥8,800
Bicolor tanzanite 2.270ct loose
Sale price¥55,800
Bicolor Zoisite 2.110ct loose
Sale price¥45,800
Bicolor Zoisite 1.680ct loose
Sale price¥39,800
Cantera opal 6.126ct loose
Sale price¥8,800
Bicolor kyanite 0.810ct loose
Sale price¥9,800
Bicolor kyanite 0.870ct loose
Sale price¥14,800
《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
Russian demantoid garnet (horsetail recognized) 0.291ct loose
Sale price¥79,800
Montebrasite 0.370ct loose (green)
Sale price¥5,980
Montebrasite 4.1mm 2 stone pair loose (green)
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.