Brazilian Paraiba Tourmaline 0.216ct loose stone (CuO:1.2%, MnO:2.7%)
Sale price¥69,800
Blue sapphire 2.425ct loose stone with jewel
Sale price¥59,800
Unheated color change sapphire 1.070ct loose stone
Sale price¥158,000
Unheated Brazilian Paraiba Tourmaline 0.110ct Loose Stone AIGS
Sale price¥258,000
Mexican Fire Opal 0.669ct Loose (Contralus Opal)
Sale price¥15,800
Sri Lankan Purple Twin Star Sapphire 2.423ct Loose
Sale price¥128,000
Sri Lankan Twin Star Sapphire 2.443ct Loose
Sale price¥128,000
Australian Shell Opal (Shell Opal) 74.153ct Rough Stone
Sale price¥29,800
《Yurakucho Marui 2024112 takeout》Ukrainian bicolor topaz 5.622ct loose stone
Sale price¥198,000
Zimbabwean Euclase 0.058ct loose stone
Sale price¥39,800
Zimbabwean Euclase 0.088ct loose stone
Sale price¥69,800
Benitoite 0.231ct loose
Sale price¥220,000
Benitoite 0.286ct loose
Sale price¥258,000
Benitoite 0.272ct loose stone (emerald cut)
Sale price¥248,000
K18/Pt950 Afghanistan Green Apatite 0.162ct Ring
Sale price¥198,000
Benitoite 2.0mm/0.050ct loose stone (cabochon cut)
Sale price¥6,980
Oregon Sunstone 0.575ct loose
Sale price¥12,800
Oregon sunstone 0.390ct loose
Sale price¥14,800
Pink diaspore 0.351ct loose stone
Sale price¥9,800
《Yurakucho Marui 2024112 takeout》Ruby 0.242ct loose stone
Sale price¥14,800
Ruby 0.110ct loose
Sale price¥9,800
London Blue Topaz 4.254ct Loose
Sale price¥12,800
Aquamarine 0.327ct loose stone
Sale price¥9,800
Pink amethyst 3.275ct loose stone
Sale price¥9,800
Lavender quartz (scorolite) 1.130ct loose stone
Sale price¥6,980
Lavender quartz (scorolite) 2.181ct loose stone
Sale price¥9,800
Lavender quartz (scorolite) 2.740ct loose stone
Sale price¥9,800
Sunstone (Illusion Sunstone) 1.927ct Loose
Sale price¥12,800
South African Sugilite 7.3mm/1.034ct loose stone
Sale price¥18,800
South African Sugilite 0.814ct loose stone
Sale price¥14,800
Namibian Jeremejevite 0.261ct loose stone
Sale price¥69,800
Jeremejevite 0.201ct loose stone
Sale price¥45,800
Brazilian Bicolor Euclase 2.4mm/0.051ct Loose Stone
Sale price¥22,800
Tanzanian Kornerupine 0.300ct Loose Stone
Sale price¥29,800
Tanzanian Kornerupine 0.210ct loose stone
Sale price¥18,800
Tanzanian Kornerupine 0.220ct loose stone
Sale price¥15,800
Tanzanian Kornerupine 0.229ct loose stone
Sale price¥25,800
Tanzanian Kornerupine 0.249ct loose stone
Sale price¥22,800
Tanzanian Kornerupine 0.303ct loose stone
Sale price¥12,800
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.