Mexican Cantera Opal 5.238ct Loose
Sale price¥15,800
Mexican Cantera Opal 9.909ct Loose
Sale price¥39,800
Mexican Cantera Opal 1.842ct Loose
Sale price¥39,800
Mexican Cantera Opal 4.602ct Loose
Sale price¥29,800
Mexican Cantera Opal 5.126ct Loose
Sale price¥25,800
Zambian emerald 0.181ct loose stone
Sale price¥8,800
Tanzania Purple Spinel 0.346ct Loose Stone
Sale price¥8,800
Tanzania Purple Spinel 0.307ct Loose Stone
Sale price¥9,800
Tanzania Purple Spinel 0.356ct Loose Stone
Sale price¥8,800
Tanzania Purple Spinel 0.333ct Loose Stone
Sale price¥9,800
Tanzania Purple Spinel 0.236ct Loose Stone
Sale price¥9,800
Tanzania Blue Spinel 0.244ct Loose Stone
Sale price¥9,800
Tanzanian Blue Spinel 0.165ct Loose Stone
Sale price¥8,800
Brazilian Dendritic Agate 1.155ct Loose Stone
Sale price¥6,980
Brazilian Dendritic Agate 2.163ct Loose Stone
Sale price¥8,800
Diamond (cabochon cut) 0.247ct loose (VS-SI class equivalent)
Sale price¥39,800
South African diamond rough (sawable) 0.096ct rough (with trigon)
Sale price¥39,800
Tanzania Peristerite 0.805ct loose stone
Sale price¥6,980
Brazilian Alexandrite 0.135ct loose stone
Sale price¥35,800
Tanzania Bicolor Zoisite 2.665ct Loose Stone
Sale price¥98,000
Sri Lankan Star Sapphire 0.796ct Loose
Sale price¥9,800
Sri Lankan Star Sapphire 5.0mm/0.897ct Loose Stone
Sale price¥8,800
Sri Lankan Star Sapphire 0.681ct Loose
Sale price¥8,800
Sri Lankan Star Sapphire 0.753ct Loose
Sale price¥8,800
Tanzania Bicolor Zircon 0.801ct Loose Stone
Sale price¥9,800
Brazilian Indigolite Tourmaline in Quartz 2.036ct Loose Stone
Sale price¥12,800
Madagascar Pezzottaite 0.177ct loose stone
Sale price¥11,000
Madagascar Pezzottaite 0.206ct loose stone
Sale price¥12,800
Pakistani Axinite (Green Tint) 1.003ct Loose Stone
Sale price¥35,800
Pakistani Axinite (Green Tint) 0.880ct Loose Stone
Sale price¥19,800
Afghanistan Bicolor Tourmaline 0.673ct Loose Stone
Sale price¥15,800
Afghanistan Bicolor Tourmaline 0.471ct Loose Stone
Sale price¥9,800
Afghanistan Bicolor Tourmaline 0.672ct Loose Stone
Sale price¥9,800
Madagascar Dumortierite 0.172ct loose stone (single crystal)
Sale price¥128,000
Bekiri Blue Garnet (Color Change Garnet) from Madagascar 0.160ct Loose
Sale price¥16,800
Bekiri Blue Garnet (Color Change Garnet) from Madagascar 0.170ct Loose
Sale price¥17,800
American Benitoite 0.286ct loose stone
Sale price¥158,000
Oregon Sunstone from the United States 1.198ct loose stone
Sale price¥8,800
Madagascar sphene 1.751ct loose stone
Sale price¥19,800
Nepalese Kyanite 0.793ct loose stone
Sale price¥6,980
Russian Demantoid Garnet 2.5mm/0.111ct Loose Stone
Sale price¥18,800
Oregon Sunstone from the United States 0.554ct loose stone
Sale price¥7,980
Brazilian Swiss Blue Topaz 10.958ct Loose
Sale price¥14,800
Brazilian Swiss Blue Topaz 11.536ct Loose
Sale price¥14,800
Brazilian Swiss Blue Topaz 17.410ct Loose
Sale price¥27,800
Russian Demantoid Garnet (Horsetail Recognized) 5.2mm/0.661ct Loose Stone
Sale price¥198,000
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.