Cambodian Blue Zircon 0.204ct Loose
Sale price¥4,980
Cambodian Blue Zircon 0.221ct Loose
Sale price¥4,980
Synthetic moissanite 0.372ct loose
Sale price¥9,800
Sphene from Madagascar 0.494ct loose
Sale price¥6,980
Paraiba tourmaline from Brazil 3.5mm/0.278ct loose
Sale price¥18,800
Paraiba tourmaline from Brazil 0.243ct loose
Sale price¥14,800
Paraiba tourmaline from Mozambique 0.270ct loose
Sale price¥21,800
American benitoite 0.147ct loose
Sale price¥42,800
American benitoite 0.173ct loose
Sale price¥45,800
American benitoite 0.114ct loose
Sale price¥32,800
American benitoite 0.155ct loose
Sale price¥43,800
American benitoite 0.101ct loose
Sale price¥28,800
American benitoite 0.127ct loose
Sale price¥35,800
American benitoite 0.133ct loose
Sale price¥37,800
American benitoite 0.102ct loose
Sale price¥28,800
American benitoite 0.187ct loose
Sale price¥48,800
Jeremejevite from Namibia 0.145ct loose (contains iron oxide)
Sale price¥19,800
Russian demantoid garnet cat's eye (horsetail recognized) 0.171ct loose
Sale price¥22,800
Russian demantoid garnet cat's eye (horsetail recognized) 0.222ct loose
Sale price¥29,800
Mint green sapphire 0.348ct loose
Sale price¥12,800
Mint color tourmaline 0.115ct loose
Sale price¥5,980
Mint color tourmaline 0.198ct loose
Sale price¥5,980
Mint color tourmaline 0.229ct loose
Sale price¥5,980
Pink tourmaline 0.205ct loose
Sale price¥5,980
Bicolor sapphire from Madagascar 0.252ct loose
Sale price¥14,800
Bicolor sapphire from Madagascar 0.265ct loose
Sale price¥16,800
Bicolor sapphire from Madagascar 0.259ct loose
Sale price¥9,800
Bicolor sapphire from Madagascar 0.198ct loose
Sale price¥9,800
Bicolor sapphire from Madagascar 0.212ct loose
Sale price¥9,800
Yellow sapphire from Sri Lanka 0.222ct loose
Sale price¥12,800
Montebrasite 0.373ct loose
Sale price¥9,800
Unheated silky pink sapphire from Vietnam 0.197ct loose
Sale price¥12,800
Unheated silky pink sapphire from Vietnam 0.247ct loose
Sale price¥12,800
Russian demantoid garnet (horsetail recognized) 3.7mm/0.231ct loose
Sale price¥22,800
Russian demantoid garnet (horsetail recognized) 3.8mm/0.232ct loose
Sale price¥18,800
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
Brazilian Alexandrite 0.244ct Ruth (Hemachita Mine)
Sale price¥59,800
Brazilian alexandrite 0.112ct loose
Sale price¥13,800
Chrome tourmaline 0.300ct loose stone
Sale price¥3,980
Yellow diamond rough stone (makeable) 0.247ct rough stone
Sale price¥22,800
Red beryl 0.104ct loose
Sale price¥34,800
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.