Mexican Fire Opal 0.356ct Loose (Faceted Cut)
Sale price¥9,800
Green tourmaline 0.512ct loose stone
Sale price¥9,800
Myanmar Blue Spinel 0.650ct Loose
Sale price¥12,800
Paraiba Tourmaline from Mozambique 0.248ct loose stone
Sale price¥12,800
Paraiba Tourmaline from Mozambique 0.223ct loose stone
Sale price¥12,800
Synthetic rutile 5.8mm/0.915ct loose stone
Sale price¥18,800
Brazilian bicolor tourmaline 0.502ct loose stone
Sale price¥12,800
Madagascar Yellow Sapphire 0.863ct Loose
Sale price¥18,800
Nigerian Aventurine Aquamarine 0.471ct Loose Stone
Sale price¥8,800
Vietnam Aquamarine 6.0mm/0.730ct Loose Stone
Sale price¥12,800
Vietnam Aquamarine 6.0mm/0.781ct Loose Stone
Sale price¥8,800
Golden sapphire 0.269ct loose stone
Sale price¥16,800
Pink sapphire 0.271ct loose stone
Sale price¥8,800
Montana Sapphire 0.405ct Loose (Green Sapphire)
Sale price¥9,800
Brazilian Paraiba Tourmaline 0.759ct rough stone
Sale price¥45,800
Cassiterite 1.658ct loose stone (bicolor cassiterite) Japan-Germany exchange
Sale price¥128,000
Colombian Trapiche Emerald 0.291ct Loose
Sale price¥15,800
Colombian Trapiche Emerald 0.147ct Loose
Sale price¥9,800
Ethiopian Opal 5.2mm/0.688ct Loose (Sphere)
Sale price¥6,980
Colombian Trapiche Emerald 0.266ct Loose
Sale price¥14,800
Montana Sapphire 0.325ct Loose (Orange Sapphire)
Sale price¥8,800
American Herkimer Diamond 5.6mm/0.516ct Loose
Sale price¥9,800
Brazilian Paraiba Tourmaline 0.821ct rough stone
Sale price¥39,800
Colombian Trapiche Emerald 0.299ct Loose
Sale price¥16,800
Tanzania Bicolor Zoisite 0.397ct Loose Stone
Sale price¥8,800
[On sale 7/27 at 10pm] Colombian Trapiche Emerald 0.392ct loose stone
Sale price¥19,800
Ethiopian Opal 5.4mm/0.818ct Loose (Sphere Cut)
Sale price¥9,800
Colombian Trapiche Emerald 0.260ct Loose
Sale price¥14,800
Amazonian green opal 0.517ct loose stone (faceted cut)
Sale price¥8,800
Amazon Green Opal 0.285ct Loose (Faceted Cut)
Sale price¥6,980
Oregon Sunstone from the United States 0.292ct loose stone
Sale price¥8,800
Synthetic Alexandrite 0.841ct loose stone
Sale price¥15,800
Unheated Padparadscha Sapphire 0.520ct Loose GIA
Sale price¥98,000
Tanzania Bicolor Zoisite 0.357ct Loose Stone
Sale price¥6,980
Spanish Andalusite 5.7mm/0.706ct loose stone
Sale price¥9,800
Tanzanian Grape Garnet 0.657ct Loose Stone
Sale price¥8,800
Tanzanian Grape Garnet 5.4mm/0.625ct Loose Stone
Sale price¥8,800
Chinese bicolor fluorite 1.192ct loose stone
Sale price¥7,980
Chinese bicolor fluorite 1.088ct loose stone
Sale price¥7,980
Chinese bicolor fluorite 0.990ct loose stone
Sale price¥6,980
Chinese bicolor fluorite 0.908ct loose stone
Sale price¥6,980
Vietnam Aquamarine 5.1mm/0.410ct Loose Stone
Sale price¥6,980
Vietnam Aquamarine 5.9mm/0.700ct Loose Stone
Sale price¥8,800
Vietnam Aquamarine 5.1mm/0.457ct Loose Stone
Sale price¥6,980
Pigeon Blood Ruby 0.40ct Loose AIGS
Sale price¥59,800
American Bicolor Benitoite 0.358ct Loose Stone by Nikkei
Sale price¥298,000
[Sakura Incut] Purple Spinel 5.5mm/0.609ct {Collaboration} Loose Patch
Sale price¥55,800
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.