Purple sapphire 0.364ct loose stone
Sale price¥16,800
Yellow sapphire 0.287ct loose stone
Sale price¥9,800
Pink sapphire 0.202ct loose stone
Sale price¥9,800
Pink sapphire 0.202ct loose stone
Sale price¥8,800
Purple sapphire 0.199ct loose stone
Sale price¥8,800
Yellow sapphire 0.229ct loose stone
Sale price¥9,800
Mozambique Pink Sapphire 0.377ct Loose (Hot Pink Sapphire)
Sale price¥15,800
Sapphire 0.461ct loose stone
Sale price¥15,800
Nepalese Kyanite 0.609ct loose stone
Sale price¥12,800
Almandine Garnet 1.255ct Loose Stone
Sale price¥14,800
《Yurakucho Marui 2024112 takeout》Mexican water opal 1.794ct loose
Sale price¥39,800
《Yurakucho Marui 2024112 takeout》Mexican water opal 0.906ct loose
Sale price¥14,800
Vietnam unheated silky pink sapphire 0.580ct loose stone
Sale price¥18,800
White Conch Pearl (with flame pattern) 0.627ct loose stone with jewel
Sale price¥69,800
Diamond 0.042ct loose (VS class equivalent, emerald cut)
Sale price¥8,800
Colombian emerald 0.512ct loose stone (silky type)
Sale price¥14,800
Diamond 3.4mm/0.144ct loose stone (I, VS1, Good)
Sale price¥16,800
Colombian pyrite-mica emerald 0.844ct loose stone
Sale price¥35,800
Aventurine Aquamarine 2.820ct Loose
Sale price¥6,980
Brazilian Romanesite in Amethyst 7.083ct Loose Stone
Sale price¥18,800
Tanzanian Chrome Tourmaline 0.988ct Loose Stone
Sale price¥6,980
Tanzanian Chrome Tourmaline 0.772ct Loose Stone
Sale price¥6,980
Tanzanian Chrome Tourmaline 0.798ct Loose Stone
Sale price¥6,980
Tanzanian Chrome Tourmaline 0.546ct Loose Stone
Sale price¥4,980
Tanzanian Chrome Tourmaline 0.522ct Loose Stone
Sale price¥5,980
Tanzanian Chrome Tourmaline 0.859ct Loose Stone
Sale price¥8,800
Ethiopian honeycomb opal 3.566ct loose stone
Sale price¥46,800
Mexican Opal 9.6mm/1.803ct Loose (Contralus Opal)
Sale price¥69,800
Ethiopian Opal 0.961ct Loose (Sphere)
Sale price¥7,980
Tanzanian Mandarin Garnet 0.449ct Loose Stone
Sale price¥39,800
Tanzanian Mandarin Garnet 0.361ct Loose Stone
Sale price¥14,800
[Koshu Precious Stones plusthree] Citrine 5.121ct Loose
Sale price¥39,800
Unheated Mozambique ruby 2.7mm/0.135ct loose stone
Sale price¥19,800
Colombian pyrite-mica emerald 0.815ct loose stone
Sale price¥39,800
Colombian Trapiche Emerald 0.317ct Rough Stone
Sale price¥19,800
Colombian Trapiche emerald 0.424ct rough stone
Sale price¥39,800
[Mr. KEN] Brazilian aquamarine 1.071ct loose stone (phantom cut)
Sale price¥9,800
[Mr. KEN] Brazilian aquamarine 0.874ct loose stone (phantom cut)
Sale price¥8,800
《Yurakucho Marui 2024112 takeout》Non-oil emerald 1.370ct loose GIA
Sale price¥1,580,000
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.
