Madagascar White Sapphire 0.485ct Loose
Sale price¥19,800
Brazilian Euclase 0.216ct Loose Stone
Sale price¥25,800
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
Russian Demantoid Garnet 2.5mm/0.111ct Loose Stone
Sale price¥18,800
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
Madagascar Dumortierite 0.172ct loose stone (single crystal)
Sale price¥128,000
Afghanistan Bicolor Tourmaline 0.471ct Loose Stone
Sale price¥9,800
Madagascar Pezzottaite 0.177ct loose stone
Sale price¥11,000
Brazilian Alexandrite 0.135ct loose stone
Sale price¥35,800
Diamond (cabochon cut) 0.247ct loose (VS-SI class equivalent)
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
Tanzania Purple Spinel 0.236ct Loose Stone
Sale price¥9,800
Tanzania Purple Spinel 0.333ct Loose Stone
Sale price¥9,800
Tanzania Purple Spinel 0.356ct Loose Stone
Sale price¥8,800
Tanzania Purple Spinel 0.307ct Loose Stone
Sale price¥9,800
Tanzania Purple Spinel 0.346ct Loose Stone
Sale price¥8,800
Zambian emerald 0.181ct loose stone
Sale price¥8,800
Pink tourmaline 0.333ct loose stone
Sale price¥9,800
Australian Prehnite 5.4mm/0.475ct loose stone
Sale price¥6,980
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 3.7mm/0.215ct Loose (Silky Emerald)
Sale price¥9,800
Mexican Fire Opal 0.343ct Loose
Sale price¥15,800
Colombian Euclase 0.315ct loose stone
Sale price¥39,800
Sillimanite from Sri Lanka 0.372ct loose stone
Sale price¥7,980
Sillimanite from Sri Lanka 0.409ct loose stone
Sale price¥7,980
Sillimanite from Sri Lanka 0.185ct loose stone
Sale price¥7,980
Sillimanite from Sri Lanka 0.186ct loose stone
Sale price¥7,980
Sillimanite from Sri Lanka 0.376ct loose stone
Sale price¥9,800
Alexandrite 0.201ct loose stone
Sale price¥39,800
Brazilian Green Tourmaline 0.457ct Loose Stone
Sale price¥15,800
Sri Lankan White Sapphire 4.0mm/0.275ct Loose
Sale price¥12,800
Zambian Canary Yellow Tourmaline 4.0mm/0.277ct Loose Stone
Sale price¥12,800
Mexican Opal 3.8mm/0.157ct Loose
Sale price¥6,980
Sri Lankan Blue Sapphire 0.344ct Loose
Sale price¥12,800
Brazilian Lepidocrocite in Quartz 5.0mm/0.477ct Loose Stone
Sale price¥4,980
South African diamond rough (sawable) 0.112ct rough
Sale price¥44,800
Bekily Blue Garnet from Madagascar (color change garnet) 0.119ct loose
Sale price¥12,800
Tanzania Bicolor Zoisite 4.0mm/0.255ct Loose Stone
Sale price¥9,800
Tanzania Bicolor Zoisite 4.0mm/0.246ct Loose Stone
Sale price¥8,800
Sri Lankan Yellow Sapphire 0.282ct Loose
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.
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.