Black opal 2.293ct loose
Sale price¥98,000
Pt950 benitoite 0.10ct/diamond ring
Sale price¥69,800
K18 bicolor sapphire 0.129ct/blue sapphire ring
Sale price¥69,800
Colombian emerald cat's eye 0.834ct loose
Sale price¥59,800
Rhodochrosite from South Africa 5.2mm/0.645ct loose
Sale price¥59,800
[Dandelion cut] YAG (yttrium aluminum garnet) 8mm/2.752ct loose
Sale price¥55,800
Bicolor sapphire 1.020ct loose
Sale price¥69,800
[Koshu Precious Stone Kiriko] Mexican Fire Opal 1.571ct Loose with Patch
Sale price¥79,800
[Camellia cut] Mexican fire opal 1.270ct loose with patch
Sale price¥98,000
Opal from Mexico 1.139ct loose
Sale price¥69,800
Orange Celestite 0.848ct Loose Japanese-German Edition
Sale price¥69,800
Pt950 Benitoite 0.10ct Aquamarine Blue Diamond Ring
Sale price¥98,000
[Ice Bar] Labradorite x Tiger Eye Pendant Top (Necklace Top)
Sale price¥55,800
Pt950 Oregon Sunstone 1.24ct Indigo Tourmaline Blue Diamond Ring
Sale price¥98,000
[Mr. Sanjay] Synthetic moissanite 8.950ct loose
Sale price¥59,800
Paraiba tourmaline from Brazil 0.239ct loose
Sale price¥59,800
Paraiba tourmaline from Brazil 0.232ct loose
Sale price¥58,800
Paraiba tourmaline from Brazil 0.240ct loose (CuO:0.7%, MnO:3.8%)
Sale price¥59,800
Hemimorphite 29.778ct loose
Sale price¥98,000
Mandarin Garnet 2.040ct loose
Sale price¥55,800
Russian demantoid garnet (horsetail recognized) 4.4mm/0.394ct loose
Sale price¥88,800
Russian demantoid garnet (horsetail recognized) 4.6mm/0.423ct loose
Sale price¥98,000
Cobalt spinel from Vietnam 2mm/0.031ct loose Japanese-German edition
Sale price¥59,800
Green sapphire 7.545ct loose (spade cut)
Sale price¥69,800
Spessartine garnet 8.592ct loose
Sale price¥98,000
Sphalerite 6.392ct loose (bicolor)
Sale price¥98,000
Veilinite from Pakistan (Vailinite) 0.168ct loose
Sale price¥55,800
Emerald 0.716ct loose Japanese and German
Sale price¥88,000
Pigeon Blood Ruby 0.590ct Loose AIGS
Sale price¥55,800
Russian demantoid garnet (horsetail recognized) 4.2mm/0.319ct loose
Sale price¥69,800
《Yurakucho Marui 2024112 takeout》Benitoite 0.200ct loose stone
Sale price¥79,800
Cobalt Garnite 0.216ct Loose Japanese-German Edition
Sale price¥64,800
Russian demantoid garnet (horsetail recognized) 4.6mm/0.425ct loose
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.