Bicolor spinel 1.040ct loose (gray/purple)
Sale price¥69,800
Oligoclase Sunstone 6.432ct Loose Stone
Sale price¥25,800
Mozambique pink sapphire 0.169ct loose stone
Sale price¥6,980
0.145ct loose pink sapphire from Madagascar
Sale price¥6,980
Pink sapphire 0.179ct loose stone
Sale price¥6,980
0.417ct loose blue sapphire from Madagascar
Sale price¥9,800
0.374ct loose blue sapphire from Madagascar
Sale price¥9,800
0.333ct loose sapphire
Sale price¥8,800
0.170ct loose blue sapphire from Madagascar
Sale price¥8,800
0.162ct loose blue sapphire from Madagascar
Sale price¥9,800
Namibian Jeremejevite 0.245ct loose stone
Sale price¥79,800
Oregon Sunstone 2.120ct loose
Sale price¥25,800
Unheated sapphire 2.430ct loose GIA
Sale price¥298,000
Purple sapphire 0.313ct loose
Sale price¥6,980
Purple sapphire 0.220ct loose
Sale price¥3,980
Purple sapphire 0.240ct loose
Sale price¥4,980
[12560244] Bicolor Zoisite 0.508ct Loose Stone
Sale price¥7,980
[12560246] Green Zoisite 1.316ct Loose Stone
Sale price¥15,800
Bicolor sapphire 0.334ct loose
Sale price¥9,800
Bicolor sapphire 0.149ct loose
Sale price¥6,980
Bicolor sapphire 0.323ct loose
Sale price¥9,800
White sapphire 0.464ct loose
Sale price¥9,800
White sapphire 0.418ct loose
Sale price¥12,800
Yellow sapphire 0.385ct loose
Sale price¥9,800
White sapphire 0.364ct loose
Sale price¥9,800
White sapphire 0.271ct loose
Sale price¥7,980
White sapphire 0.212ct loose
Sale price¥6,980
White sapphire 4.5mm/0.462ct loose
Sale price¥9,800
White sapphire 4.5mm/0.414ct loose
Sale price¥12,800
Brazilian citrine 1.337ct loose stone
Sale price¥3,980
Violet spinel 0.514ct loose stone
Sale price¥6,980
Purple spinel 0.825ct loose stone
Sale price¥5,980
Sri Lankan Yellow Sapphire 0.300ct Loose
Sale price¥15,800
Zimbabwean sphene 0.457ct loose stone
Sale price¥8,800
Zimbabwean sphene 0.393ct loose stone
Sale price¥8,800
Zimbabwean sphene 4.1mm/0.294ct loose stone
Sale price¥6,980
Zimbabwean sphene 4.0mm/0.276ct loose stone
Sale price¥6,980
Zimbabwean sphene 0.224ct loose stone
Sale price¥6,980
Madeira Citrine 6mm/0.914ct loose
Sale price¥8,800
Bicolor sapphire 0.853ct loose stone
Sale price¥9,800
Montana Sapphire 1.9mm/0.033ct loose
Sale price¥4,980
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.