Russian demantoid garnet (horsetail recognized) 4.6mm/0.425ct loose
Sale price¥98,000
Russian demantoid garnet (horsetail recognized) 4.4mm/0.382ct loose
Sale price¥88,800
Russian demantoid garnet (horsetail recognized) 3.2mm/0.175ct loose
Sale price¥18,800
Opal 1.014ct loose
Sale price¥8,800
Opal 1.521ct loose
Sale price¥8,800
Opal 1.382ct loose
Sale price¥8,800
Yellow sapphire 0.474ct loose stone
Sale price¥6,980
Oregon sunstone 0.620ct loose
Sale price¥8,800
California Axinite 2.10ct loose stone (phantom cut)
Sale price¥19,800
California Axinite 1.630ct loose stone (phantom cut)
Sale price¥12,800
Spanish Sphalerite 1.320ct loose stone
Sale price¥29,800
Apatite 1.120ct loose stone
Sale price¥9,800
Apatite 0.960ct loose stone
Sale price¥8,800
Hemimorphite 9.849ct loose
Sale price¥69,800
Burmese musgravite 0.214ct loose Japanese-German book
Sale price¥298,000
Taaffeite from Myanmar 0.216ct Ruth Japanese and German
Sale price¥45,800
Emerald 0.111ct loose
Sale price¥14,800
Emerald cat's eye 4.070ct loose
Sale price¥198,000
Watermelon tourmaline 14.780ct loose
Sale price¥128,000
Musgravite/Spinel 8.005ct loose Japanese/Germany
Sale price¥128,000
Oregon sunstone 0.940ct loose
Sale price¥12,800
Oregon sunstone 0.560ct loose
Sale price¥8,800
Oregon Sunstone 0.570ct loose
Sale price¥8,800
Danburite 6.780ct loose (light pink)
Sale price¥39,800
Danburite 7.540ct loose (berry light pink)
Sale price¥39,800
Aquamarine 15mm/10.190ct loose
Sale price¥69,800
Pink tourmaline 0.620ct loose (Asscher cut)
Sale price¥8,800
Unheated sapphire 2.430ct loose GIA
Sale price¥298,000
Synthetic alexandrite 1.680ct loose
Sale price¥25,800
Pink sapphire 0.934ct loose
Sale price¥19,800
Scapolite 1.780ct loose stone
Sale price¥12,800
Oregon Sunstone 0.980ct loose
Sale price¥15,800
Oregon Sunstone 0.950ct loose
Sale price¥9,800
Prehnite 5.550ct loose stone
Sale price¥8,800
Mexican Fire Opal 1.580ct Loose
Sale price¥35,800
Mexican Fire Opal 1.330ct Loose
Sale price¥35,800
Mexican Fire Opal 1.610ct Loose
Sale price¥35,800
Blue Zircon 1.280ct Loose
Sale price¥8,800
Blue zircon 1.340ct loose stone
Sale price¥9,800
Cambodian Blue Zircon 1.410ct Loose
Sale price¥12,800
Cambodian Blue Zircon 1.380ct Loose
Sale price¥8,800
Burmese Purple Spinel 0.60ct Loose
Sale price¥9,800
Violet spinel 0.580ct loose stone
Sale price¥6,980
Purple spinel 0.710ct loose
Sale price¥9,800
[Sakura Incut] Citrine 10mm《Collaboration》Loose with emblem
Sale price¥25,800
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.
