Paraiba tourmaline from Brazil 0.144ct loose (CuO:0.9%,MnO:2.8%)
Sale price¥55,800
Cobalt spinel from Vietnam 2mm/0.031ct loose Japanese-German edition
Sale price¥59,800
Brazilian bicolor tourmaline 4.497ct loose stone
Sale price¥69,800
Brazilian Yellow Beryl 9.747ct Loose Stone
Sale price¥98,000
Madagascar Dumortierite (single crystal) 0.195ct loose stone
Sale price¥89,800
Pink spinel 3.208ct loose
Sale price¥98,000
Russian Demantoid Garnet 0.192ct Loose Stone
Sale price¥79,800
Illusion Bicolor Tourmaline 3.202ct Loose Stone
Sale price¥69,800
Afghanistan Green Tourmaline 7.8mm/1.738ct Loose Stone
Sale price¥59,800
Brazilian pink tourmaline 2.765ct loose stone
Sale price¥69,800
Colombian emerald 0.176ct loose stone
Sale price¥59,800
Brazilian bicolor tourmaline 2.341ct loose stone
Sale price¥79,800
Brazilian pink tourmaline 1.515ct loose stone
Sale price¥98,000
Sri Lankan purple spinel 1.060ct loose stone
Sale price¥98,000
Russian Demantoid Garnet (Horsetail) 0.256ct Loose Stone
Sale price¥79,800
Greenland Ruby 0.360ct Loose Stone with Certificate
Sale price¥69,800
0.167ct loose alexandrite from Russia
Sale price¥98,000
Russian Alexandrite 0.083ct loose stone
Sale price¥69,800
Russian Alexandrite 2/5mm/0.070ct Loose Stone
Sale price¥59,800
Bicolor Euclase from Zimbabwe 0.084ct loose
Sale price¥98,000
18KPG pink sapphire 0.32ct brown diamond ring
Sale price¥69,800
American Benitoite 0.165ct loose stone
Sale price¥59,800
Australian Crystal & White Opal 13-Stone Half Eternity Ring Set (2.0mm)
Sale price¥98,000
Parasitic Peridot 0.292ct Loose Stone
Sale price¥98,000
Pigeon Blood Ruby 4.0mm/0.290ct Loose Stone AIGS
Sale price¥59,800
[Posted 12549094] Sri Lankan sapphire cat's eye 3.739ct loose
Sale price¥59,800
Bicolor sapphire 1.030ct loose from Windsor, Tanzania
Sale price¥89,800
[Posted 12543727] Hemimorphite 11.133ct loose
Sale price¥59,800
[Posted 12543726] Hemimorphite 9.282ct loose
Sale price¥59,800
[Posted 12543725] Hemimorphite 16.864ct loose
Sale price¥79,800
[Posted 12543724] Hemimorphite 9.286ct loose
Sale price¥59,800
Bicolor Zoisite 2.481ct loose
Sale price¥69,800
Celestite from Madagascar 7.080ct loose Japanese and German
Sale price¥98,000
Brazilian Rubellite 4.078ct Loose Stone
Sale price¥98,000
Cambodian Blue Zircon (Ratanakiri Blue) 2.822ct Loose Stone
Sale price¥98,000
American Benitoite 2.2mm/0.270ct Loose Stone (Gradation Set)
Sale price¥69,800
Set of 2 rutile stones, 6.213ct (rough stone + loose stone)
Sale price¥59,800
Malawi Bicolor Zircon 1.661ct Loose Stone
Sale price¥59,800
Australian boulder opal 28.880ct loose
Sale price¥59,800
Blue zircon 3.283ct loose
Sale price¥75,800
[Camellia cut] Mexican fire opal 1.270ct loose with patch
Sale price¥98,000
Tanzanian Bicolor Zoisite 1.006ct Loose Stone
Sale price¥55,800
Tanzanian bicolor zoisite 1.327ct loose stone
Sale price¥59,800
Australian boulder opal 9.120ct loose
Sale price¥98,000
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.
So that more people can feel closer to jewellery and enjoy it easily.
We will introduce KARATZ's thoughts on products, the attention to detail and efforts in selecting gemstones and creating jewelry.
KARATZ's Initiatives and Social Contributions
We will introduce KARATZ's efforts, including nurturing the next generation and business collaboration to develop the industry, and supporting children in Sri Lanka, the land of jewels.
KARATZ Books
These are books that KARATZ has been involved in writing, supervising, and planning. They are all books that allow you to enjoy gemstones from various angles. You can also purchase them directly.
jeweler's tools
For those who want to enjoy jewelry more but don't know what tools to use, we will introduce tools that are also used by KARATZ staff. You can also purchase them directly.