Grandidierite 0.180ct loose
Sale price¥16,800
Grandidierite 0.178ct loose stone from Yurakucho Marui 2024112
Sale price¥18,800
Fancy Yellow Diamond 0.227ct Loose (FANCY YELLOW, I-2)
Sale price¥49,800
Sweet Home rhodochrosite 2 stone set 2.6mm/0.228ct loose
Sale price¥12,800
Rhodochrosite from Sweet Home 2.6mm/0.104ct loose
Sale price¥8,800
Rhodochrosite from Sweet Home 2.6mm/0.108ct loose
Sale price¥14,800
Rhodochrosite from Sweet Home 2.6mm/0.100ct loose
Sale price¥13,800
《Yurakucho Marui 2024112 takeout》Ruby 0.213ct loose stone
Sale price¥8,800
[KEN] Tourmaline 0.360ct loose
Sale price¥3,980
Bicolor sapphire 0.298ct loose
Sale price¥44,800
{Yurakucho Marui 2024112 takeout} Bicolor sapphire 0.263ct loose stone
Sale price¥39,800
Bicolor sapphire 0.374ct loose
Sale price¥9,800
Ethiopian oil-free emerald 0.32ct loose GIA
Sale price¥148,000
Peach benitoite 0.135ct loose Japanese-German book (orange/blue)
Sale price¥178,000
Colombian emerald 0.350ct rough stone
Sale price¥12,800
Paraiba tourmaline from Brazil 0.224ct loose (CuO:0.8%, MnO:1.7%)
Sale price¥39,800
Paraiba tourmaline from Brazil 0.203ct loose (CuO: 0.9%, MnO: 2.6%)
Sale price¥35,800
Paraiba tourmaline from Brazil 0.200ct loose (CuO: 0.7%, MnO: 4.0%)
Sale price¥39,800
Rough diamond (makeable) 0.353ct loose
Sale price¥33,800
Rough diamond (makeable) 0.279ct loose
Sale price¥29,800
Rough diamond (makeable) 0.284ct loose
Sale price¥29,800
FANCY VIVID ORANGY YELLOW, SI-1
Sale price¥22,800
Diamond 0.131ct loose (G, VS-1, EXCELLENT heart & cupid)
Sale price¥32,800
Brazilian Paraiba tourmaline 0.252ct raw stone (CuO:2.3%, MnO:2.8%)
Sale price¥14,800
Brazilian Paraiba tourmaline 0.213ct raw stone (CuO:1.4%, MnO:1.2%)
Sale price¥15,800
Brazilian Paraiba tourmaline 0.455ct raw stone (CuO: 0.9%, MnO: 2.2%)
Sale price¥19,800
Brazilian Paraiba tourmaline 0.448ct raw stone (CuO:2.7%, MnO:2.0%)
Sale price¥29,800
Brazilian Paraiba tourmaline 0.225ct raw stone (CuO:2.1%, MnO:0.9%)
Sale price¥12,800
Brazilian Paraiba tourmaline 0.184ct raw stone (CuO:1.5%, MnO:0.6%)
Sale price¥14,800
Brazilian Paraiba tourmaline 0.180ct raw stone (CuO:1.8%, MnO:0.1%)
Sale price¥12,800
Russian demantoid garnet cat's eye (horsetail recognized) 0.147ct loose
Sale price¥39,800
Brazilian Paraiba tourmaline 0.285ct raw stone (CuO:1.7%, MnO:2.7%)
Sale price¥19,800
Brazilian Paraiba tourmaline 0.156ct raw stone (CuO:2.5%, MnO:0.5%)
Sale price¥22,800
Brazilian alexandrite 0.102ct loose
Sale price¥18,800
Brazilian alexandrite 0.091ct loose
Sale price¥18,800
Russian demantoid garnet cat's eye (horsetail recognized) 0.128ct loose
Sale price¥21,800
Cobalt Garnite 0.154ct Loose (Sugar Loaf)
Sale price¥8,800
Cobalt Garnite 0.087ct loose (sugar loaf cut)
Sale price¥6,980
FANCY INTENSE YELLOW, VS-2
Sale price¥34,800
Bicolor sapphire 0.380ct loose
Sale price¥15,800
[KEN] Fire opal 2 stone pair 4mm/0.336ct loose
Sale price¥6,980
Rough diamond (makeable) 0.480ct loose VS class equivalent
Sale price¥98,000
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.
