Brazilian Dendritic Agate 3.575ct Loose Stone
Sale price¥9,800
[Rouge cut] Morganite 2.059ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 2.101ct loose stone
Sale price¥8,800
Mexican Cantera Opal 4.158ct Loose
Sale price¥15,800
Australian black opal 3.242ct loose stone
Sale price¥69,800
Australian black opal 3.322ct loose stone
Sale price¥98,000
Tanzanian Mandarin Garnet 2.039ct Loose Stone
Sale price¥8,800
[12550851] 2.944ct Mozambique pink tourmaline loose stone
Sale price¥49,800
[12550838] Brazilian Limonite in Topaz 4.680ct Loose Stone
Sale price¥11,800
[12551529] Australian black opal 2.233ct loose stone
Sale price¥69,800
[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 dendritic quartz 4.587ct loose stone
Sale price¥12,800
Brazilian Green Tourmaline 2.218ct Loose
Sale price¥29,800
[Sakura Incut] YAG (Yttrium Aluminum Garnet) 9mm/3.410ct Loose
Sale price¥55,800
Blue watermelon tourmaline 2.380ct loose
Sale price¥15,800
Amethyst 4.249ct rough stone
Sale price¥9,800
2.055ct Bicolor Sphalerite from Spain
Sale price¥39,800
Spanish Sphalerite 2.374ct loose stone
Sale price¥79,800
Bicolor tourmaline 4.448ct loose stone
Sale price¥55,800
Kunzite from Afghanistan 8.4mm/3.300ct loose stone
Sale price¥12,800
Myanmar Star Spinel 2.030ct Loose
Sale price¥79,800
Colombian pyrite emerald 3.817ct loose stone
Sale price¥79,800
Romanesite in Quartz 4.825ct loose stone
Sale price¥12,800
Brazilian bicolor tourmaline 2.153ct loose stone
Sale price¥29,800
Purple Zoisite 2.617ct rough stone
Sale price¥13,800
Bicolor Tanzanite 3.856ct rough stone
Sale price¥19,800
Sri Lankan Twin Star Sapphire 2.443ct Loose
Sale price¥128,000
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
Sri Lankan Ilmenite in Star Sapphire 3.426ct loose stone (Ratnapura)
Sale price¥49,800
Tibetan bicolor andesine 2.657ct loose stone
Sale price¥25,800
Brazilian Romanesite in Quartz 2.914ct loose stone
Sale price¥9,800
Brazilian Flower Quartz 4.666ct Loose Stone
Sale price¥12,800
Ethiopian honeycomb opal 3.566ct loose stone
Sale price¥46,800
Cristobalite in Quartz 2.417ct Loose Stone
Sale price¥12,800
Sri Lankan Star Sapphire 2.093ct Loose
Sale price¥9,800
Brazilian Morganite 3.929ct loose stone
Sale price¥19,800
Ethiopian Opal 2.131ct Loose
Sale price¥12,800
Australian black opal 2.407ct loose
Sale price¥59,800
Mexican Fire Opal 2.235ct Loose
Sale price¥26,800
Mexican Fire Opal 3.425ct Loose
Sale price¥29,800
Synthetic Moissanite 4.924ct loose stone
Sale price¥39,800
Mozambique colorless tourmaline (acroite) 3.542ct loose stone
Sale price¥69,800
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.