Tibetan Andesine 1.449ct Loose Stone
Sale price¥9,800
1.527ct Australian Prehnite Loose Stone
Sale price¥12,800
Bicolor imperial topaz 1.725ct loose
Sale price¥79,800
Bicolor Zoisite 1.785ct loose
Sale price¥49,800
Morganite 1.135ct loose
Sale price¥5,980
Colombian Euclase 1.365ct rough stone
Sale price¥29,800
Synthetic rutile 6.5mm/1.233ct loose stone
Sale price¥12,800
Lavender spinel 1.285ct loose
Sale price¥39,800
Mexican Hyalite Opal 1.587ct Loose
Sale price¥9,800
Brazilian Green Spodumene 1.918ct Loose Stone
Sale price¥9,800
1.139ct Australian Prehnite loose stone
Sale price¥8,800
Pink tourmaline 1.011ct loose
Sale price¥8,800
Bicolor tourmaline 1.440ct loose
Sale price¥9,800
Bicolor tourmaline 1.704ct loose
Sale price¥12,800
Oregon Sunstone from the United States 1.203ct loose stone
Sale price¥9,800
Mexican Fire Opal 1.808ct Loose (Contralus Opal)
Sale price¥35,800
Mexican Fire Opal 1.624ct Loose (Contralus Opal)
Sale price¥12,800
Paraiba tourmaline from Mozambique 1.481ct loose (CuO:0.3%, MnO:4.3%)
Sale price¥158,000
Brazilian Madeira Citrine 6.8mm/1.150ct Loose Stone
Sale price¥4,980
Mexican Cantera Opal 1.209ct Loose Stone (Rose Cut)
Sale price¥12,800
Mexican Cantera Opal 1.394ct Loose Stone (Rose Cut)
Sale price¥12,800
Mexican Cantera Opal 1.436ct Loose Stone (Rose Cut)
Sale price¥12,800
Cambodian Zircon 1.620ct Loose
Sale price¥15,800
Brazilian Swiss Blue Topaz 1.062ct Loose Stone
Sale price¥9,800
Madagascar Apatite 1.125ct Loose Stone
Sale price¥8,800
Brazilian bicolor tourmaline 1.032ct loose stone
Sale price¥25,800
Oregon Sunstone from the United States 8.0mm/1.835ct loose stone
Sale price¥22,800
Brazilian bicolor tourmaline 1.875ct loose stone
Sale price¥39,800
Brazilian bicolor tourmaline 1.255ct loose stone
Sale price¥25,800
Brazilian Pink Tourmaline 1.045ct Loose Stone
Sale price¥9,800
Mexican Fire Opal 1.348ct Loose
Sale price¥15,800
Colombian Euclase 1.344ct loose stone
Sale price¥26,800
Colombian Euclase 1.408ct Loose Stone
Sale price¥24,800
Colombian Euclase 1.776ct loose stone
Sale price¥15,800
Madagascar Apatite Cat's Eye 1.644ct Loose Stone
Sale price¥8,800
Brazilian Swiss Blue Topaz 1.042ct Loose Stone
Sale price¥9,800
Brazilian Swiss Blue Topaz 1.043ct Loose Stone
Sale price¥8,800
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.