Oligoclase Sunstone 26.660ct rough stone
Sale price¥15,800
Red beryl 0.109ct loose
Sale price¥18,800
Red beryl 0.098ct loose
Sale price¥18,800
[Posted 12529980] Paraiba tourmaline from Brazil 1.649ct loose
Sale price¥18,800
Brazilian Paraiba tourmaline in quartz 4.070ct loose
Sale price¥12,800
Kunzite Cat's Eye 25.941ct Loose
Sale price¥25,800
Aragonite 2.088ct loose Japanese-German book
Sale price¥25,800
[Sakura Incut] Moonstone 11mm loose with patch
Sale price¥29,800
Bicolor Benitoite 0.067ct loose
Sale price¥25,800
[On sale at 10pm on September 4th] Zambian emerald 0.119ct loose stone
Sale price¥12,800
Cambodian Zircon 1.860ct Loose
Sale price¥12,800
Topaz 1.680ct loose stone
Sale price¥18,800
Mexican Topaz 1.66ct Loose Stone
Sale price¥15,800
Dumortierite in quartz 4.110ct loose
Sale price¥18,800
Oregon Sunstone 2.120ct loose
Sale price¥25,800
Paraiba tourmaline from Brazil 0.230ct loose (CuO:0.8%, MnO:3.3%)
Sale price¥29,800
Bicolor sapphire 0.856ct loose
Sale price¥18,800
Russian demantoid garnet (horsetail recognized) 3.2mm/0.175ct loose
Sale price¥15,800
YAG (yttrium aluminum garnet) 7.5mm/2.410ct loose
Sale price¥12,800
YAG (yttrium aluminum garnet) 7.3mm./2.150ct loose
Sale price¥12,800
Color change Andesine 1.90ct loose
Sale price¥29,800
Color change Andesine 1.67ct loose
Sale price¥25,800
Paraiba tourmaline from Brazil 0.224ct loose (CuO:0.8%, MnO:1.7%)
Sale price¥29,800
Paraiba tourmaline from Brazil 0.203ct loose (CuO: 0.9%, MnO: 2.6%)
Sale price¥29,800
Rough diamond (makeable) 0.353ct loose
Sale price¥25,800
Rough diamond (makeable) 0.279ct loose
Sale price¥25,800
Brazilian Paraiba tourmaline 0.455ct raw stone (CuO: 0.9%, MnO: 2.2%)
Sale price¥15,800
Brazilian Paraiba tourmaline 0.448ct raw stone (CuO:2.7%, MnO:2.0%)
Sale price¥19,800
Brazilian Paraiba tourmaline 0.156ct raw stone (CuO:2.5%, MnO:0.5%)
Sale price¥15,800
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.