Twin star sapphire from Sri Lanka 3.858ct loose (black star sapphire)
Sale price¥59,800
Twin star sapphire from Sri Lanka 2.523ct loose
Sale price¥98,000
Myanmar Purple Spinel 1.364ct Loose Stone
Sale price¥29,800
Oregon Sunstone 0.513ct loose
Sale price¥6,980
Bicolor star sapphire from Myanmar 0.920ct loose
Sale price¥39,800
Color change sapphire 0.526ct loose
Sale price¥6,980
Color change sapphire 0.453ct loose
Sale price¥5,980
Bloodshot Iolite Sunstone 1.250ct Loose
Sale price¥12,800
Unheated silky pink sapphire from Vietnam 0.202ct loose
Sale price¥8,800
Bulgarian green sphalerite 9.2mm/3.608ct loose Japanese-German edition
Sale price¥398,000
Silky sapphire from Sri Lanka 1.086ct loose
Sale price¥15,800
Silky sapphire from Sri Lanka 0.632ct loose
Sale price¥8,800
Silky sapphire from Sri Lanka 0.928ct loose
Sale price¥9,800
Silky sapphire from Sri Lanka 0.920ct loose
Sale price¥14,800
Silky sapphire from Sri Lanka 1.036ct loose
Sale price¥12,800
Silky sapphire from Sri Lanka 0.981ct loose
Sale price¥14,800
Silky sapphire from Sri Lanka 0.868ct loose
Sale price¥12,800
Silky sapphire from Sri Lanka 0.627ct loose
Sale price¥8,800
Silky sapphire from Sri Lanka 1.319ct loose
Sale price¥15,800
Unheated silky pink sapphire from Vietnam 0.161ct loose
Sale price¥7,980
Sri Lankan star sapphire (4 rows) 1.473ct loose
Sale price¥79,800
Bicolor Zircon 0.468ct Ruth Japanese-German Dictionary
Sale price¥25,800
Sphene from Madagascar 0.498ct loose
Sale price¥9,800
Cambodian Blue Zircon 0.675ct Loose Stone
Sale price¥8,800
Cambodian Blue Zircon 0.204ct Loose
Sale price¥4,980
Cambodian Blue Zircon 0.221ct Loose
Sale price¥4,980
Sphene from Madagascar 0.494ct loose
Sale price¥6,980
Cambodian Blue Zircon 0.609ct Loose
Sale price¥6,980
Jeremejevite from Namibia 0.041ct loose
Sale price¥8,800
Jeremejevite from Namibia 0.145ct loose (contains iron oxide)
Sale price¥19,800
Bicolor star sapphire from Myanmar 1.340ct loose
Sale price¥35,800
Pink spinel 0.848ct loose stone 6.6mm
Sale price¥12,800
Unheated silky pink sapphire from Vietnam 0.175ct loose
Sale price¥7,980
Bicolor sapphire 0.231ct loose
Sale price¥6,980
Bicolor sapphire 0.207ct loose
Sale price¥6,980
Bicolor sapphire 0.190ct loose
Sale price¥6,980
Spinel 1.680ct loose
Sale price¥8,800
Purple zoisite 3.758ct rough stone from Tanzania
Sale price¥29,800
Purple spinel 0.754ct loose
Sale price¥9,800
Blue spinel 1.949ct loose
Sale price¥29,800
Lavender spinel 0.305ct loose
Sale price¥7,980
Scapolite Cat's Eye 8.880ct Loose
Sale price¥8,800
Cambodian Blue Zircon (Ratanakiri Blue) 23.12ct Loose
Sale price¥498,000
Orange Scapolite 5.57ct loose
Sale price¥19,800
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.