Sri Lankan Silky Sapphire 1.166ct Loose
Sale price¥12,800
Silky sapphire from Sri Lanka 0.975ct loose
Sale price¥8,800
Brazilian Paraiba Tourmaline in Quartz 8.0mm/1.290ct Loose Stone
Sale price¥25,800
Cambodian colorless zircon 1.149ct loose stone (orange fluorescence)
Sale price¥12,800
Cambodian colorless zircon 1.218ct loose stone (orange fluorescence)
Sale price¥12,800
Spodumene 1.844ct loose stone
Sale price¥12,800
Mexican Opal (Faceted Cut) 0.640ct Loose
Sale price¥14,800
Mexican Fire Opal (Faceted Cut) 0.352ct Loose
Sale price¥9,800
Brazilian bicolor tourmaline 1.953ct loose stone
Sale price¥18,800
Tibetan bicolor andesine 1.431ct loose stone
Sale price¥12,800
Synthetic Opal (Synthetic Black Opal) 0.723ct Loose
Sale price¥15,800
Non-Oil Emerald 1.070ct Loose Gübelin Certificate
Sale price¥698,000
Mexican Yellow Opal 0.428ct Loose
Sale price¥8,800
Brazilian Petalite 0.713ct loose stone
Sale price¥5,980
Tanzanite from Tanzania 0.804ct loose stone
Sale price¥24,800
Brazilian Paraiba Tourmaline in Quartz 1.146ct Loose Stone
Sale price¥29,800
Brazilian Paraiba Tourmaline in Quartz 8.0mm/1.287ct Loose Stone
Sale price¥29,800
Brazilian Paraiba Tourmaline in Quartz 7.9mm/1.314ct Loose Stone
Sale price¥29,800
YAG (Yttrium Aluminum Garnet) 7.1mm/1.709ct loose stone
Sale price¥12,800
Non-Oil Emerald 1.030ct Loose Gübelin Gübelin Certificate
Sale price¥698,000
Brazilian Brown Tourmaline 1.529ct Loose Stone
Sale price¥14,800
Brazilian Pink Tourmaline 0.628ct Loose Stone
Sale price¥15,800
Green tourmaline 1.190ct loose stone
Sale price¥98,000
Tanzanite from Tanzania 1.162ct loose stone
Sale price¥39,800
Brazilian Green Tourmaline 1.333ct Loose Stone
Sale price¥49,800
Brazilian Green Tourmaline 0.935ct Loose Stone
Sale price¥45,800
Brazilian Green Tourmaline 1.193ct Loose Stone
Sale price¥49,800
Czech Aragonite 8.0mm/2.082ct Loose Stone
Sale price¥69,800
Brazilian Rubellite Cat's Eye 1.180ct Loose Stone
Sale price¥29,800
Pakistani Aragonite 3.086ct loose stone
Sale price¥9,800
Silky Sapphire from Sri Lanka 1.716ct loose stone
Sale price¥14,800
Goshenite 0.852ct loose stone
Sale price¥8,800
Tanzanian Mint Garnet 1.276ct Loose Stone
Sale price¥69,800
Amazon Green Opal 0.814ct Loose (Faceted Cut)
Sale price¥8,800
Brazilian copper rutilated quartz 1.334ct loose stone
Sale price¥9,800
Vietnam Aquamarine 1.309ct Loose Stone
Sale price¥12,800
Pakistani Clinohumite 1.440ct Loose Stone, Japan-Germany Exchange
Sale price¥29,800
Brazilian Dendritic Agate 1.679ct Loose Stone
Sale price¥8,800
Brazilian copper rutilated quartz 1.410ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 1.352ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 1.560ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 1.381ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 1.465ct loose stone
Sale price¥8,800
Sri Lankan Chrysoberyl Cat's Eye 1.514ct Loose Stone
Sale price¥6,980
Spanish Sphalerite 7.0mm/1.753ct loose stone
Sale price¥35,800
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.