Brazilian Alexandrite 2.8mm/0.100ct Loose Stone
Sale price¥19,800
South African diamond rough (sawable) 0.083ct rough
Sale price¥32,800
South African diamond rough (sawable) 0.087ct rough
Sale price¥34,800
Pink Diamond 0.075ct Loose (Fancy Purplish PINK, SI2)
Sale price¥98,000
Colombian emerald 0.126ct 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
Tanzanian Kornerupine 0.172ct loose stone
Sale price¥18,800
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 2.5mm/0.111ct Loose Stone
Sale price¥18,800
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
Afghanistan Bicolor Tourmaline 0.471ct Loose Stone
Sale price¥9,800
Madagascar Pezzottaite 0.206ct loose stone
Sale price¥12,800
Pezzottite from Madagascar 0.158ct loose
Sale price¥9,800
Brazilian Alexandrite 0.135ct loose stone
Sale price¥35,800
Brazilian Alexandrite 2.7mm/0.090ct Loose Stone JTL Catalog
Sale price¥22,800
Brazilian Alexandrite 0.072ct Loose Stone JTL Catalog
Sale price¥12,800
South African diamond rough (sawable) 0.096ct rough (with trigon)
Sale price¥39,800
Tanzanian Blue Spinel 0.165ct Loose Stone
Sale price¥8,800
Tanzania Blue Spinel 0.244ct Loose Stone
Sale price¥9,800
Tanzanian grey spinel 0.291ct loose stone
Sale price¥9,800
Tanzania Purple Spinel 0.236ct Loose Stone
Sale price¥9,800
Tanzania Purple Spinel 0.333ct Loose Stone
Sale price¥9,800
Zambian emerald 0.181ct loose stone
Sale price¥8,800
Namibian Jeremejevite 2.3mm/0.063ct loose stone
Sale price¥12,800
Grandidierite from Madagascar 2.7mm/0.102ct loose stone
Sale price¥25,800
Tanzania Bicolor Zoisite 0.147ct Loose Stone
Sale price¥3,980
Sillimanite from Sri Lanka 0.183ct loose stone
Sale price¥6,980
Sri Lankan sapphire 0.211ct loose stone
Sale price¥8,800
Zambian emerald 0.099ct loose stone
Sale price¥9,800
Alexandrite 0.201ct loose stone
Sale price¥39,800
South African diamond rough (sawable) 0.112ct rough
Sale price¥44,800
South African diamond rough (sawable) 0.091ct rough (trigon)
Sale price¥35,800
Bekily Blue Garnet from Madagascar (color change garnet) 0.149ct loose
Sale price¥14,800
Zimbabwe Bicolor Euclase 2.6mm/0.087ct Loose Stone
Sale price¥55,800
Zimbabwean Euclase 0.063ct loose stone
Sale price¥39,800
Yellow Diamond (Cabochon Cut) 0.185ct Loose
Sale price¥25,800
Afghanistan Awinite 0.103ct loose stone JTL catalog
Sale price¥49,800
Afghanistan Awinite 0.075ct loose stone JTL catalog
Sale price¥35,800
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.