Purple sapphire 4mm/0.273ct loose stone
Sale price¥12,800
Yellow Sapphire 4.0mm/0.266ct Loose
Sale price¥12,800
Pink sapphire 0.271ct loose stone
Sale price¥8,800
Montana Sapphire 0.405ct Loose (Green Sapphire)
Sale price¥9,800
Montana Sapphire 0.331ct Loose (Bi-Color Sapphire)
Sale price¥8,800
Pakistani Lazurite (Azurite) 0.305ct Loose Stone
Sale price¥49,800
Pakistani Lazurite (Azurite) 0.375ct loose stone
Sale price¥59,800
Colombian Trapiche Emerald 0.291ct Loose
Sale price¥15,800
Colombian Mica in Emerald 4.6mm/0.210ct Loose Stone
Sale price¥12,800
Colombian Trapiche Emerald 0.147ct Loose
Sale price¥9,800
Colombian mint color emerald 0.178ct loose stone
Sale price¥6,980
Colombian Trapiche Emerald 0.416ct Loose
Sale price¥22,800
Colombian Trapiche Emerald 0.266ct Loose
Sale price¥14,800
Detroit City Rhodochrosite 4mm/0.439ct Loose Stone
Sale price¥8,800
Brazilian Paraiba Tourmaline 0.200ct loose stone (CuO: 1.7%, MnO: 2.8%)
Sale price¥98,000
Canadian Catapleite 0.298ct Loose Stone, Japan-Germany Mirror
Sale price¥49,800
Colombian Trapiche Emerald 0.372ct Loose
Sale price¥19,800
Colombian Trapiche Emerald 0.299ct Loose
Sale price¥16,800
Tanzanite from Tanzania 0.262ct loose stone
Sale price¥8,800
Tanzania Bicolor Zoisite 0.397ct Loose Stone
Sale price¥8,800
Colombian Trapiche Emerald 0.392ct Loose
Sale price¥19,800
American Red Beryl 0.106ct Loose
Sale price¥24,800
Canary Yellow Tourmaline from Mozambique 0.223ct loose stone
Sale price¥8,800
Colombian Trapiche Emerald 0.222ct Loose
Sale price¥18,800
Russian rough diamond (sawable) 0.125ct loose
Sale price¥29,800
Colombian Trapiche Emerald 0.260ct Loose
Sale price¥14,800
Brazilian Euclase 0.224ct Loose Stone (Bicolor Euclase)
Sale price¥18,800
Pigeon Blood Ruby 0.38ct Loose AIGS
Sale price¥59,800
Amazon Green Opal 0.285ct Loose (Faceted Cut)
Sale price¥6,980
Oregon Sunstone from the United States 0.292ct loose stone
Sale price¥8,800
Synthetic Alexandrite 0.287ct loose stone
Sale price¥8,800
Tanzanite from Tanzania 0.491ct loose stone
Sale price¥8,800
Tanzanite from Tanzania 0.466ct loose stone
Sale price¥8,800
Zimbabwe Bicolor Euclase 0.152ct Loose Stone by Nikkei
Sale price¥158,000
Tanzania Bicolor Zoisite 0.216ct Loose Stone
Sale price¥3,980
Tanzania Bicolor Zoisite 0.130ct Loose Stone
Sale price¥3,980
Tanzania Bicolor Zoisite 4.1mm/0.313ct Loose Stone
Sale price¥5,980
Tanzania Bicolor Zoisite 0.278ct Loose Stone
Sale price¥4,980
Tanzania Bicolor Zoisite 4mm/0.305ct 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¥9,800
Tanzanian bicolor sapphire 0.125ct loose stone
Sale price¥4,980
Tanzanian bicolor sapphire 0.124ct loose stone
Sale price¥5,980
Tanzanian bicolor sapphire 0.118ct loose stone
Sale price¥4,980
Tanzanian bicolor sapphire 0.149ct loose stone
Sale price¥6,980
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.