Hollandite in quartz 8.690ct loose
Sale price¥29,800
Oregon Sunstone 7.100ct loose (carved)
Sale price¥19,800
Rose quartz 33.630ct loose
Sale price¥15,800
Zircon 8.12ct raw stone《New birthstone for December》
Sale price¥12,800
Boulder opal 15.020ct loose
Sale price¥29,800
Larimar 3.230ct loose
Sale price¥12,800
Colombian emerald cat's eye 0.108ct loose
Sale price¥12,800
Sunstone Scapolite 1.780ct loose
Sale price¥15,800
Sunstone Scapolite 1.510ct loose
Sale price¥15,800
Russian demantoid garnet cat's eye (horsetail recognized) 0.128ct loose
Sale price¥21,800
Brazilian alexandrite 0.102ct loose
Sale price¥18,800
Rainbow Scapolite 0.960ct loose
Sale price¥14,800
Brazilian Paraiba tourmaline 0.156ct raw stone (CuO:2.5%, MnO:0.5%)
Sale price¥22,800
Brazilian Paraiba tourmaline 0.285ct raw stone (CuO:1.7%, MnO:2.7%)
Sale price¥19,800
Boulder opal 7.680ct loose
Sale price¥29,800
Brazilian alexandrite 0.091ct loose
Sale price¥18,800
Brazilian Paraiba tourmaline 0.184ct raw stone (CuO:1.5%, MnO:0.6%)
Sale price¥14,800
Brazilian Paraiba tourmaline 0.448ct raw stone (CuO:2.7%, MnO:2.0%)
Sale price¥29,800
Brazilian Paraiba tourmaline 0.252ct raw stone (CuO:2.3%, MnO:2.8%)
Sale price¥14,800
FANCY VIVID ORANGY YELLOW, SI-1
Sale price¥22,800
Rough diamond (makeable) 0.284ct loose
Sale price¥29,800
Rough diamond (makeable) 0.279ct loose
Sale price¥29,800
Dumortierite in quartz 2.880ct loose
Sale price¥22,800
Medusa Quartz (Paraiba Quartz) 6.970ct loose
Sale price¥14,800
Pair of 2 yellow diamonds 2.5mm/0.162ct loose (TLC/VS class equivalent)
Sale price¥18,800
Boulder opal 17.450ct loose
Sale price¥29,800
Larimar 3.280ct loose
Sale price¥12,800
Brazilian Paraiba tourmaline 0.180ct raw stone (CuO:1.8%, MnO:0.1%)
Sale price¥12,800
Brazilian Paraiba tourmaline 0.225ct raw stone (CuO:2.1%, MnO:0.9%)
Sale price¥12,800
Hyalite Opal 3 stone set 1.320ct loose
Sale price¥12,800
《Yurakucho Marui 2024112 takeout》Colombian emerald 2.680ct rough stone
Sale price¥19,800
Colombian emerald 0.350ct rough stone
Sale price¥12,800
Bicolor tourmaline 0.830ct loose
Sale price¥14,800
Bicolor tourmaline 1.310ct loose
Sale price¥15,800
[On sale from 10pm on 11/14] Peruvian blue opal 1.420ct loose
Sale price¥11,000
Colombian emerald 3.1mm/0.117ct loose stone from Yurakucho Marui 2024112
Sale price¥29,800
Hyalite Opal 2.920ct loose (fluorescent even in sunlight)
Sale price¥29,800
Kyanite 1.580ct loose
Sale price¥22,800
Bicolor tourmaline 1.260ct loose
Sale price¥15,800
Bicolor tanzanite 1.250ct loose
Sale price¥19,800
British Rogerley Fluorite 2.147ct loose
Sale price¥12,800
British Rosary Fluorite 2.304ct loose
Sale price¥12,800
British Rosary Fluorite 3.806ct loose
Sale price¥18,800
Grandidierite 0.178ct loose stone from Yurakucho Marui 2024112
Sale price¥18,800
Grandidierite 0.180ct loose
Sale price¥16,800
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.
