Madagascar Dumortierite 0.172ct loose stone (single crystal)
Sale price¥128,000
Pakistani Axinite (Green Tint) 0.880ct Loose Stone
Sale price¥19,800
Madagascar Pezzottaite 0.177ct loose stone
Sale price¥11,000
Tanzania Bicolor Zircon 0.801ct Loose Stone
Sale price¥9,800
Ruby 4.0mm/0.305ct loose stone
Sale price¥45,800
Diamond (cabochon cut) 0.247ct loose (VS-SI class equivalent)
Sale price¥39,800
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
Pakistani Ludwigite in Peridot 0.285ct loose stone
Sale price¥5,980
Madagascar sphene 0.430ct loose stone
Sale price¥8,800
Synthetic Alexandrite 0.472ct loose stone
Sale price¥8,800
Madagascar sapphire 0.375ct loose stone
Sale price¥8,800
Golden Iolite (Cordierite) 0.221ct loose stone
Sale price¥7,980
Tanzania Bicolor Zoisite 3.7mm/0.228ct Loose Stone
Sale price¥5,980
Zambian Emerald 3.7mm/0.215ct Loose Stone (Silky Emerald)
Sale price¥9,800
Sri Lankan Yellow Sapphire 0.324ct Loose
Sale price¥9,800
Sri Lankan Yellow Sapphire 0.189ct Loose
Sale price¥5,980
Sri Lankan Yellow Sapphire 0.392ct Loose
Sale price¥9,800
Zambian emerald 0.210ct loose stone
Sale price¥8,800
Indian Parrot Chrysoberyl 3.2mm/0.190ct Loose Stone
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
Thai Blue Sapphire 0.388ct Loose
Sale price¥9,800
Thai Blue Sapphire 0.740ct Loose
Sale price¥15,800
Tanzanian Rhodolite Garnet 0.794ct Loose Stone
Sale price¥9,800
Sri Lankan White Sapphire 4.0mm/0.275ct Loose
Sale price¥12,800
Sri Lankan pink sapphire 4.0mm/0.296ct loose stone
Sale price¥12,800
Sri Lankan Blue Sapphire 4.0mm/0.414ct Loose Stone
Sale price¥15,800
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
Unheated silky sapphire from Sri Lanka 0.721ct loose stone
Sale price¥14,800
Sri Lankan Blue Sapphire 0.344ct Loose
Sale price¥12,800
Brazilian bicolor tourmaline 0.362ct loose stone
Sale price¥8,800
Spanish bicolor sphalerite 0.765ct loose stone
Sale price¥12,800
Spanish bicolor sphalerite 0.866ct loose stone
Sale price¥12,800
Madagascar Andalusite 0.542ct loose stone
Sale price¥8,800
Brazilian Morganite 0.591ct loose stone
Sale price¥3,980
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
Brown diamond (sugarloaf cut) 0.278ct loose (SI class equivalent)
Sale price¥45,800
Myanmar Color Change Zircon 3.7mm/0.323ct Loose Stone
Sale price¥25,800
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.