Bicolor tourmaline 6.258ct loose (tricolor tourmaline)
Sale price¥148,000
Bicolor tourmaline 0.431ct loose
Sale price¥6,980
[KEN] Fire opal 1.360ct loose
Sale price¥25,800
[Mr. KEN] Parti-color tourmaline from Africa 1.121ct loose (tricolor)
Sale price¥29,800
[Cat cut] Blue green tourmaline 5.5mm loose
Sale price¥12,800
[Mr. NOBU] Green Opal from Amazon [Collaboration] 7mm Loose
Sale price¥9,800
Mexican fire opal 0.980ct loose
Sale price¥25,800
[KEN] Mint color tourmaline 0.777ct loose
Sale price¥8,800
Pink tourmaline 0.530ct loose
Sale price¥7,980
Pink tourmaline 0.391ct loose
Sale price¥5,980
Pink tourmaline 0.326ct loose
Sale price¥4,980
Pink tourmaline 0.271ct loose
Sale price¥4,980
Pink tourmaline 0.158ct loose
Sale price¥8,800
[Mr. Sanjay] Bicolor tourmaline 1.410ct loose
Sale price¥29,800
[Mr. Sanjay] Bicolor tourmaline 0.980ct loose
Sale price¥19,800
[On sale from 10/2 at 10pm] Bicolor tourmaline 0.980ct loose stone
Sale price¥14,800
Bicolor tourmaline 0.750ct loose
Sale price¥15,800
[Mr. Sanjay] Bicolor tourmaline 0.710ct loose
Sale price¥11,000
Bicolor tourmaline 0.610ct loose
Sale price¥14,800
Pink tourmaline 0.780ct loose
Sale price¥8,800
Pink tourmaline 0.920ct loose
Sale price¥9,800
[On sale 10/2 at 10pm] Pink tourmaline 1.040ct loose stone
Sale price¥9,800
[Mr. Sanjay] Bicolor tourmaline 0.460ct loose
Sale price¥9,800
[On sale from 10/2 at 10pm] Bicolor tourmaline 1.010ct loose stone
Sale price¥29,800
[Mr. NOBU] Green Opal from Amazon [Collaboration] 6.8mm loose
Sale price¥9,800
[Cat cut] Amazon green opal 6.5mm/0.580ct loose
Sale price¥9,800
Pink tourmaline 0.157ct loose
Sale price¥6,980
[KEN] Green tourmaline 0.840ct loose (pixel cut)
Sale price¥15,800
Paraiba tourmaline from Brazil 0.025ct loose (CuO:1.4%, MnO:1.3%)
Sale price¥12,800
Paraiba tourmaline from Brazil 0.019ct loose (CuO:1.6%, MnO:1.5%)
Sale price¥12,800
Brazilian Paraiba tourmaline 0.017ct loose (CuO:2.1%, MnO:0.9%)
Sale price¥14,800
Paraiba tourmaline from Brazil 0.217ct loose (CuO:1.5%, MnO:0.5%)
Sale price¥45,800
[Mr. KEN] African bicolor tourmaline 0.950ct loose (phantom cut)
Sale price¥12,800
Paraiba tourmaline from Brazil 0.230ct loose (CuO:0.8%, MnO:3.3%)
Sale price¥35,800
Opal 1.014ct loose
Sale price¥8,800
Opal 1.521ct loose
Sale price¥8,800
Opal 1.382ct loose
Sale price¥8,800
[Mr. KEN] Indigolite tourmaline 0.105ct loose
Sale price¥6,980
Watermelon tourmaline 14.780ct loose
Sale price¥128,000
Watermelon tourmaline 4.040ct loose
Sale price¥6,980
Pink tourmaline 0.620ct loose (Asscher cut)
Sale price¥8,800
[Mr. KEN] Mexican fire opal 1.580ct loose
Sale price¥35,800
[Mr. KEN] Mexican fire opal 1.330ct loose
Sale price¥35,800
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.