Mexican Cantera Opal 13.531ct Loose
Sale price¥69,800
Mexican Cantera Opal 10.986ct Loose
Sale price¥29,800
Mexican Cantera Opal 7.262ct Loose
Sale price¥19,800
Mexican Cantera Opal 6.710ct Loose
Sale price¥22,800
Mexican Cantera Opal 6.205ct Loose
Sale price¥9,800
Mexican Cantera Opal 5.887ct Loose
Sale price¥12,800
Brazilian Amethyst 9.749ct Loose Stone
Sale price¥15,800
Brazilian Amethyst 12.9mm/7.637ct Loose Stone
Sale price¥12,800
Amethyst 9.860ct loose stone
Sale price¥18,800
[12550838] Brazilian Limonite in Topaz 4.680ct Loose Stone
Sale price¥11,800
[12552038] Beryl Cat's Eye 32.703ct Loose Stone
Sale price¥98,000
[12551529] Australian black opal 2.233ct loose stone
Sale price¥69,800
[12552306] Iolite 14.158ct loose stone
Sale price¥258,000
[12551148] Australian black opal 3.890ct loose stone
Sale price¥69,800
Brazilian Limonite in Topaz 4.743ct loose stone
Sale price¥12,800
Brazilian Indigolite Tourmaline 7.002ct Loose Stone, Japan-Germany Exchange
Sale price¥198,000
Australian Rainbow Lattice Sunstone 1.746ct Loose Stone
Sale price¥15,800
Brazilian dendritic quartz 4.587ct loose stone
Sale price¥12,800
Amethyst 4.249ct rough stone
Sale price¥9,800
Brazilian Quartz in Quartz 15.373ct Loose Stone
Sale price¥24,800
Bicolor tourmaline 4.448ct loose stone
Sale price¥55,800
Tanzanite 1.891ct loose stone
Sale price¥39,800
Kunzite from Afghanistan 12mm/8.834ct loose stone
Sale price¥39,800
Synthetic Moissanite 8.679ct loose stone
Sale price¥39,800
Sri Lankan Star Sapphire 6.477ct Loose
Sale price¥49,800
Sri Lankan Star Sapphire 7.111ct Loose
Sale price¥59,800
Colombian pyrite emerald 3.817ct loose stone
Sale price¥79,800
Romanesite in Quartz 4.825ct loose stone
Sale price¥12,800
Brazilian Flower Quartz 7.064ct Loose Stone
Sale price¥17,800
Bicolor Tanzanite 3.856ct rough stone
Sale price¥19,800
Bicolor Tanzanite 5.582ct rough stone
Sale price¥29,800
Mexican Opal 1.666ct Loose
Sale price¥14,800
Ukrainian bicolor topaz 5.622ct loose stone
Sale price¥198,000
Pink amethyst 3.275ct loose stone
Sale price¥9,800
Lavender quartz (scorolite) 2.181ct loose stone
Sale price¥9,800
Lavender quartz (scorolite) 2.740ct loose stone
Sale price¥9,800
Sri Lankan Twin Star Sapphire 2.895ct Loose
Sale price¥69,800
Green Spodumene 6.419ct loose stone
Sale price¥29,800
Spodumene 9.001ct loose stone
Sale price¥29,800
Spodumene 9.730ct loose stone
Sale price¥29,800
Tibetan bicolor andesine 2.657ct loose stone
Sale price¥25,800
Brazilian Romanesite in Amethyst 7.083ct Loose Stone
Sale price¥18,800
Brazilian Romanesite in Quartz 2.914ct loose stone
Sale price¥9,800
Brazilian Flower Quartz 6.928ct Loose Stone
Sale price¥17,800
Brazilian Flower Quartz 6.004ct Loose Stone
Sale price¥15,800
Brazilian Flower Quartz 7.144ct Loose Stone
Sale price¥17,800
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.