Mozambique Aquamarine 1.676ct Loose Stone
Sale price¥6,980
Mozambique Aquamarine 1.131ct Loose Stone
Sale price¥6,980
Cornflower Blue Sapphire 1.080ct Loose AIGS
Sale price¥158,000
Russian Diamond Rough (Sawable) 0.103ct Loose (Trigon)
Sale price¥25,800
Ethiopian Opal 4.9mm/0.625ct Loose (Sphere)
Sale price¥5,980
Ethiopian Opal 5.2mm/0.752ct Loose (Sphere)
Sale price¥6,980
Tanzanian Rhodolite Garnet 0.448ct Loose Stone
Sale price¥6,980
Tanzanian Rhodolite Garnet 0.775ct Loose Stone
Sale price¥9,800
Tanzanian Rhodolite Garnet 0.810ct Loose Stone
Sale price¥9,800
Madagascar Padparadscha Sapphire 0.545ct Loose DGL
Sale price¥69,800
Montana Sapphire 0.207ct Loose (Blue Sapphire)
Sale price¥8,800
Brazilian Medusa Quartz (Paraiba Quartz) 1.622ct Loose Stone
Sale price¥19,800
Tanzanian Kornerupine Cat's Eye 1.608ct Loose Stone
Sale price¥6,980
American Herkimer Diamond (Rock Crystal) 5.5mm/0.528ct Loose
Sale price¥8,800
Goshenite 5.7mm/0.572ct loose stone
Sale price¥5,980
Tanzanite 0.760ct loose stone (sugarloaf cut)
Sale price¥9,800
Sri Lankan Yellow Sapphire 0.556ct Loose
Sale price¥9,800
Oregon Sunstone 0.713ct loose
Sale price¥6,980
Mexican Fire Opal 0.923ct Loose
Sale price¥12,800
Synthetic Moissanite 6.0mm/0.688ct Loose Stone
Sale price¥9,800
Zimbabwean Blue Apatite (UV Type) 0.650ct Loose
Sale price¥9,800
Brazilian Alexandrite 3mm/0.134ct loose stone (rose cut)
Sale price¥24,800
Brazilian Alexandrite 3.1mm/0.131ct Loose Stone (Rose Cut)
Sale price¥23,800
Brazilian Alexandrite 3.1mm/0.124ct loose stone (rose cut)
Sale price¥22,800
YAG (Yttrium Aluminum Garnet) 3.9mm/0.317ct loose stone
Sale price¥6,980
YAG (Yttrium Aluminum Garnet) 4.9mm/0.574ct loose stone
Sale price¥8,800
YAG (Yttrium Aluminum Garnet) 5.0mm/0.672ct loose stone
Sale price¥9,800
Synthetic rutile 0.942ct loose stone
Sale price¥14,800
《Yurakucho Marui 2024112 takeout》Synthetic opal 1.139ct loose
Sale price¥12,800
Synthetic Opal 1.804ct Loose
Sale price¥14,800
YAG (Yttrium Aluminum Garnet) 4.1mm/0.346ct Loose Stone (Rose Cut)
Sale price¥8,800
YAG (Yttrium Aluminum Garnet) 3.3mm/0.208ct Loose Stone (Rose Cut)
Sale price¥5,980
Mexican Fire Opal 0.718ct Loose
Sale price¥9,800
Mexican Fire Opal 0.593ct Loose (Faceted Cut)
Sale price¥9,800
Copper rutilated quartz 1.315ct loose stone
Sale price¥6,980
Almandine Garnet 0.660ct Loose
Sale price¥6,980
Indian Moonstone 8mm/1.879ct Loose
Sale price¥6,980
Moonstone 8.3mm/1.558ct loose stone
Sale price¥8,800
Emerald 0.310ct loose
Sale price¥12,800
Emerald 0.286ct loose
Sale price¥12,800
Nigerian bicolor tourmaline 0.379ct loose stone
Sale price¥8,800
Canary Yellow Tourmaline from Mozambique 0.142ct loose stone
Sale price¥8,800
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.