Tanzanian bicolor sapphire 0.923ct loose stone
Sale price¥25,800
Tanzanian bicolor sapphire 0.571ct loose stone
Sale price¥15,800
Tanzanian bicolor sapphire 0.623ct loose stone
Sale price¥16,800
Brazilian alexandrite 0.145ct loose
Sale price¥35,800
Brazilian Alexandrite 2.9mm/0.123ct loose stone
Sale price¥29,800
Madagascar Purple Sapphire 0.311ct Loose Stone
Sale price¥9,800
Brazilian Paraiba Tourmaline in Quartz 0.295ct Loose Stone
Sale price¥14,800
Tanzanite from Tanzania 0.469ct loose stone
Sale price¥14,800
Madagascar Blue Sapphire 4.0mm/0.326ct Loose
Sale price¥11,000
Madagascar White Sapphire 0.485ct Loose
Sale price¥19,800
Madagascar pink sapphire 0.284ct loose stone
Sale price¥12,800
Brazilian Euclase 0.216ct Loose Stone
Sale price¥25,800
Tanzanite from Tanzania 0.269ct loose stone
Sale price¥9,800
Sri Lankan Blue Spinel 0.519ct Loose Stone
Sale price¥12,800
Tanzanian Kornerupine 0.392ct loose stone
Sale price¥35,800
Tanzanian Kornerupine 0.172ct loose stone
Sale price¥18,800
Sri Lankan White Sapphire 4.0mm/0.242ct Loose Stone
Sale price¥12,800
Sri Lankan Andalusite 0.750ct loose stone
Sale price¥12,800
American Red Beryl 0.140ct Loose
Sale price¥29,800
American Benitoite 0.083ct loose stone
Sale price¥22,800
American Benitoite 0.077ct loose stone
Sale price¥25,800
American Benitoite 0.067ct loose stone
Sale price¥19,800
Russian Demantoid Garnet (Horsetail Recognized) 5.2mm/0.661ct Loose Stone
Sale price¥198,000
Oregon Sunstone from the United States 0.554ct loose stone
Sale price¥7,980
Brazilian Rainbow Scapolite 0.938ct Loose Stone
Sale price¥8,800
Russian Demantoid Garnet 2.5mm/0.111ct Loose Stone
Sale price¥18,800
Nepalese Kyanite 0.793ct loose stone
Sale price¥6,980
American Benitoite 0.286ct loose stone
Sale price¥158,000
Bekiri Blue Garnet (Color Change Garnet) from Madagascar 0.170ct Loose
Sale price¥17,800
Bekiri Blue Garnet (Color Change Garnet) from Madagascar 0.160ct Loose
Sale price¥16,800
Madagascar Dumortierite 0.172ct loose stone (single crystal)
Sale price¥128,000
Afghanistan Bicolor Tourmaline 0.672ct Loose Stone
Sale price¥9,800
Afghanistan Bicolor Tourmaline 0.471ct Loose Stone
Sale price¥9,800
Afghanistan Bicolor Tourmaline 0.673ct Loose Stone
Sale price¥15,800
Pakistani Axinite (Green Tint) 0.880ct Loose Stone
Sale price¥19,800
Madagascar Pezzottaite 0.206ct loose stone
Sale price¥12,800
Pezzottite from Madagascar 0.158ct loose
Sale price¥9,800
Madagascar Pezzottaite 0.177ct loose stone
Sale price¥11,000
Tanzania Bicolor Zircon 0.801ct Loose Stone
Sale price¥9,800
Sri Lankan Star Sapphire 0.753ct Loose
Sale price¥8,800
Sri Lankan Star Sapphire 0.681ct Loose
Sale price¥8,800
Sri Lankan Star Sapphire 5.0mm/0.897ct Loose Stone
Sale price¥8,800
Sri Lankan Star Sapphire 0.796ct Loose
Sale price¥9,800
Ruby 4.0mm/0.305ct loose stone
Sale price¥45,800
Brazilian Alexandrite 0.135ct loose stone
Sale price¥35,800
Brazilian Alexandrite 2.7mm/0.090ct Loose Stone JTL Catalog
Sale price¥22,800
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.
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.