Tanzanian Kornerupine 0.201ct loose stone
Sale price¥25,800
Tanzanian Kornerupine 0.200ct Loose Stone
Sale price¥18,800
Sri Lankan Tourmaline in Quartz 5.192ct Loose Stone
Sale price¥12,800
Sri Lankan Twin Star Sapphire 2.895ct Loose
Sale price¥69,800
Sri Lankan Ilmenite in Star Sapphire 3.426ct loose stone (Ratnapura)
Sale price¥49,800
Sri Lankan Purple Spinel 1.638ct Loose Stone, Japan-Germany Exchange
Sale price¥69,800
Rhodochrosite from Detroit City, USA 3.1mm/0.154ct loose stone
Sale price¥29,800
Rhodochrosite from Detroit City, USA 3.2mm/0.150ct loose stone
Sale price¥29,800
Paraiba tourmaline from Mozambique 0.252ct loose
Sale price¥15,800
Paraiba Tourmaline from Mozambique 0.234ct loose stone
Sale price¥12,800
White sapphire 0.263ct loose stone
Sale price¥15,800
Violet sapphire 0.267ct loose stone
Sale price¥14,800
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
Green Spodumene 6.419ct loose stone
Sale price¥29,800
Tanzanian Sunstone (Illusion Sunstone) 1.109ct Loose
Sale price¥9,800
Sapphire 0.461ct loose stone
Sale price¥15,800
Madagascar sphene 1.380ct loose stone
Sale price¥49,800
Nepalese Kyanite 0.609ct loose stone
Sale price¥12,800
Spodumene 9.001ct loose stone
Sale price¥29,800
Spodumene 9.730ct loose stone
Sale price¥29,800
Andalusite 0.672ct loose
Sale price¥12,800
Spanish Andalusite 0.435ct loose stone
Sale price¥8,800
Almandine Garnet 1.255ct Loose Stone
Sale price¥14,800
Tibetan bicolor andesine 2.657ct loose stone
Sale price¥25,800
《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
German Awinite 0.070ct loose stone
Sale price¥32,800
German Awinite 0.056ct loose stone
Sale price¥25,800
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
Brazilian Romanesite in Amethyst 7.083ct Loose Stone
Sale price¥18,800
Aventurine Aquamarine 2.820ct Loose
Sale price¥6,980
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.