Sri Lankan zircon 3.614ct loose stone
Sale price¥29,800
Sri Lankan Yellow Sapphire 0.350ct Loose
Sale price¥12,800
Sri Lankan Yellow Sapphire 0.474ct Loose
Sale price¥15,800
Brazilian rutilated quartz (rutilated quartz) 7.741ct loose stone
Sale price¥15,800
[Takeshi Yamamoto] Brazilian Ametrine 29.930ct loose stone
Sale price¥79,800
Mexican Opal (Faceted Cut) 0.496ct Loose
Sale price¥9,800
Sri Lankan Yellow Sapphire 0.407ct Loose
Sale price¥15,800
Sri Lankan Yellow Sapphire 0.250ct Loose
Sale price¥12,800
Sri Lankan Yellow Sapphire 0.223ct Loose
Sale price¥12,800
Australian Opal 0.423ct Loose
Sale price¥6,980
Australian Opal 0.706ct Loose
Sale price¥8,800
Sri Lankan Yellow Sapphire 0.209ct Loose
Sale price¥15,800
Sri Lankan Yellow Sapphire 0.318ct Loose
Sale price¥15,800
Sri Lankan Yellow Sapphire 0.349ct Loose
Sale price¥15,800
![[On sale from 22:00 on 5/1] Mali Garnet (Grossular/Andradite Garnet) 4.2mm/0.398ct Loose Stone with Certificate of Authenticity from the Republic of Mali](http://store.karatz.jp/cdn/shop/files/P3137639_0e3bd582-8297-4c0c-9bf5-09a61c159ace.jpg?v=1749163154&width=2881)
Bolivian Ametrine 3.751ct loose stone
Sale price¥9,800
Zambian Canary Yellow Tourmaline 0.25ct Loose Stone
Sale price¥9,800
[Takeshi Yamamoto] Brazilian Ametrine 24.465ct loose stone
Sale price¥98,000
[Cat cut (cheetah pattern)] Amber 8.1mm/0.916ct loose stone
Sale price¥9,800
Brazilian Golden Beryl 7.3mm/1.391ct Loose Stone
Sale price¥8,800
Sri Lankan Dunilite 0.142ct loose stone with certificate
Sale price¥25,800
Brazilian Limonite in Topaz 10.100ct Loose Stone
Sale price¥25,800
Brazilian citrine 2.641ct loose stone
Sale price¥8,800
Brazilian Ametrine 11.843ct loose stone
Sale price¥22,800
Bicolor sapphire 0.244ct loose
Sale price¥15,800
Bicolor sapphire 0.180ct loose
Sale price¥12,800
Bicolor sapphire 0.225ct loose
Sale price¥15,800
Spanish Sphalerite 5.3mm/1.009ct loose stone
Sale price¥6,980
Spanish Sphalerite 5.1mm/0.928ct loose stone
Sale price¥5,980
Spanish Sphalerite 5.9mm/1.132ct loose stone
Sale price¥6,980
Spanish Sphalerite 5.9mm/1.498ct loose stone
Sale price¥8,800
Spanish Sphalerite 6.3mm/1.771ct loose stone
Sale price¥8,800
Spanish Sphalerite 0.949ct loose stone
Sale price¥18,800
Yellow sapphire from Sri Lanka 0.375ct loose
Sale price¥12,800
Madagascar Yellow Sapphire 0.493ct Loose
Sale price¥9,800
Canadian Shortite 0.423ct Loose Stone, Japan-Germany Mirror
Sale price¥69,800
Sri Lankan Yellow Sapphire 0.297ct Loose
Sale price¥8,800
Sri Lankan Yellow Sapphire 0.300ct Loose
Sale price¥12,800
Sri Lankan Yellow Sapphire 0.557ct Loose
Sale price¥12,800
Yellow Diamond 0.551ct Loose (Cabochon Cut)
Sale price¥49,800
Madagascar White Sapphire 0.485ct Loose
Sale price¥19,800
Madagascar sphene 1.751ct loose stone
Sale price¥19,800
Diamond (cabochon cut) 0.247ct loose (VS-SI class equivalent)
Sale price¥39,800
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.