Zimbabwean Blue Apatite (UV type) 1.056ct loose stone
Sale price¥9,800
[Available 9/4 at 10 PM] Ruby 0.141ct loose stone
Sale price¥9,800
[9/7 10 PM Sale] Brazilian Sky Blue Topaz 3.437ct Loose Stone
Sale price¥9,800
Amazon Green Opal 0.814ct Loose (Faceted Cut)
Sale price¥7,980
Amazonian green opal 0.517ct loose stone (faceted cut)
Sale price¥7,980
Amazon Green Opal 0.285ct Loose (Faceted Cut)
Sale price¥6,980
Brazilian copper rutilated quartz 1.334ct loose stone
Sale price¥8,800
Oregon Sunstone from the United States 0.292ct loose stone
Sale price¥6,980
Tanzania Bicolor Zoisite 0.357ct Loose Stone
Sale price¥6,980
Mozambique Aquamarine 4.9mm/0.463ct Loose Stone
Sale price¥8,800
Tibetan bicolor andesine 0.755ct loose stone
Sale price¥6,980
【8/30 10 PM Release】Sphene from Zimbabwe 0.302ct Loose Gemstone
Sale price¥8,800
[8/30 10:00 PM Release] Mexican Fire Opal 0.352ct Loose Stone
Sale price¥7,980
[Available 8/30 at 10 PM] Zimbabwean Sphene 0.332ct Loose Gemstone
Sale price¥9,800
[8/29 10 PM Sale] Tanzanian Mint Garnet 0.296ct Loose Gemstone
Sale price¥8,800
Pakistani Peridot 5.2mm/0.562ct Loose Stone
Sale price¥9,800
Brazilian copper rutilated quartz 1.262ct loose stone
Sale price¥6,980
Brazilian copper rutilated quartz 1.647ct loose stone
Sale price¥6,980
Brazilian copper rutilated quartz 1.352ct loose stone
Sale price¥6,980
Synthetic Alexandrite 0.578ct loose stone
Sale price¥9,800
[9/3 10:00 PM Sale] Synthetic Rutile 3.8mm/0.278ct Loose Gemstone
Sale price¥8,800
[Available 9/3, 10 PM] Turkish Diaspore 0.410ct Loose Stone
Sale price¥9,800
【Sale starts 8/25 10 PM JST】Synthetic Rutile 0.344ct Loose Gemstone
Sale price¥8,800
[Sale on August 27th at 10 PM] Synthetic Rutile 0.566ct Loose Stone
Sale price¥9,800
American Herkimer Diamond (Rock Crystal) 5.5mm/0.534ct Loose
Sale price¥8,800
American Herkimer Diamond (Rock Crystal) 5.3mm/0.594ct Loose
Sale price¥7,980
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.