American Herkimer Diamond (Rock Crystal) 5.5mm/0.534ct Loose
Sale price¥8,800
American Herkimer Diamond (Rock Crystal) 5.3mm/0.594ct Loose
Sale price¥8,800
Brazilian Paraiba tourmaline in quartz 0.819ct loose
Sale price¥15,800
Pt900 Benitoite (Ice Blue) 0.17ct Pink Diamond Ring
Sale price¥148,000
Watermelon tourmaline 3.403ct loose
Sale price¥5,980
Watermelon tourmaline 3.250ct loose
Sale price¥5,980
Australian shell opal (shell opal) 96.177ct rough stone
Sale price¥69,800
Russian emerald 0.712ct loose
Sale price¥59,800
Montana Sapphire 0.305ct loose (green sapphire)
Sale price¥9,800
Montana Sapphire 0.235ct loose (yellow sapphire)
Sale price¥8,800
Montana Sapphire 0.259ct loose (bicolor sapphire)
Sale price¥9,800
Montana Sapphire 0.304ct loose (yellow sapphire)
Sale price¥9,800
Montana Sapphire 0.291ct loose (green sapphire)
Sale price¥11,800
Montana Sapphire 0.290ct loose (yellow sapphire)
Sale price¥9,800
Montana Sapphire 0.242ct Loose (Yellow Sapphire)
Sale price¥8,800
Montana Sapphire (Montana Sapphire) 0.210ct Loose
Sale price¥8,800
Montana Sapphire 0.458ct Loose (Bi-Color Sapphire)
Sale price¥14,800
Montana Sapphire 0.416ct Loose (Bi-Color Sapphire)
Sale price¥12,800
Pink diamond 0.021 loose (FANCY INTENSE PURPLE PINK, SI2)
Sale price¥49,800
Pink Diamond 0.073 Loose (FANCY DEEP PURPLISH PINK, SI1)
Sale price¥88,800
Madeira citrine 0.170ct loose stone from Yurakucho Marui 2024112
Sale price¥5,980
Montana Sapphire 0.515ct loose (bicolor sapphire)
Sale price¥19,800
Montana Sapphire 0.361ct loose (yellow sapphire)
Sale price¥14,800
Montana Sapphire 0.561ct loose (bicolor sapphire)
Sale price¥22,800
Montana Sapphire 0.443ct loose (green sapphire)
Sale price¥15,800
Montana Sapphire 0.397ct loose (bicolor sapphire)
Sale price¥15,800
Montana Sapphire 0.308ct loose (bicolor sapphire)
Sale price¥14,800
Montana sapphire 0.359ct loose (blue sapphire)
Sale price¥15,800
Montana Sapphire 0.449ct loose (bicolor sapphire)
Sale price¥17,800
Montana Sapphire 0.518ct loose (blue sapphire)
Sale price¥22,800
Pink tourmaline 0.656ct loose
Sale price¥8,800
Tourmaline 0.946ct loose
Sale price¥7,980
Tourmaline 0.731ct loose
Sale price¥6,980
Mexican Fire Opal 0.277ct Loose (Faceted Cut)
Sale price¥5,980
Mexican Fire Opal 0.102ct Loose (Faceted Cut)
Sale price¥6,980
Mexican Fire Opal 0.472ct Loose (Star Cut, Faceted Cut)
Sale price¥9,800
Mexican Fire Opal 0.564ct Loose (Faceted Cut)
Sale price¥15,800
Colombian trapiche emerald (reverse trapiche) 0.457ct rough stone
Sale price¥36,800
Pt900 Alexandrite 0.354ct Diamond Ring
Sale price¥198,000
[Mr. Sanje] Mexican fire opal 0.290ct loose (faceted cut)
Sale price¥8,800
[Mr. Sanje] Mexican Opal 0.180ct Loose (Contrarus Opal, Faceted Cut)
Sale price¥12,800
[Mr. Sanjay] Yellow sapphire from Sri Lanka 0.459ct loose
Sale price¥12,800
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.