Yellow Diamond 0.551ct Loose (Cabochon Cut)
Sale price¥49,800
Tanzanite from Tanzania 0.580ct loose stone
Sale price¥14,800
Tanzanian bicolor sapphire 0.950ct loose stone
Sale price¥25,800
Tanzanian bicolor sapphire 0.707ct loose stone
Sale price¥18,800
Tanzanian bicolor sapphire 0.598ct loose stone
Sale price¥16,800
Tanzanian bicolor sapphire 0.923ct loose stone
Sale price¥25,800
Tanzanian bicolor sapphire 0.571ct loose stone
Sale price¥15,800
Tanzanian bicolor sapphire 0.623ct loose stone
Sale price¥16,800
Sri Lankan Blue Spinel 0.519ct Loose Stone
Sale price¥12,800
Sri Lankan Andalusite 0.750ct loose stone
Sale price¥12,800
Russian Demantoid Garnet (Horsetail Recognized) 5.2mm/0.661ct Loose Stone
Sale price¥198,000
Oregon Sunstone from the United States 0.554ct loose stone
Sale price¥7,980
Brazilian Rainbow Scapolite 0.938ct Loose Stone
Sale price¥8,800
Nepalese Kyanite 0.793ct loose stone
Sale price¥6,980
Afghanistan Bicolor Tourmaline 0.672ct Loose Stone
Sale price¥9,800
Afghanistan Bicolor Tourmaline 0.673ct Loose Stone
Sale price¥15,800
Pakistani Axinite (Green Tint) 0.880ct Loose Stone
Sale price¥19,800
Tanzania Bicolor Zircon 0.801ct Loose Stone
Sale price¥9,800
Sri Lankan Star Sapphire 0.753ct Loose
Sale price¥8,800
Sri Lankan Star Sapphire 0.681ct Loose
Sale price¥8,800
Sri Lankan Star Sapphire 5.0mm/0.897ct Loose Stone
Sale price¥8,800
Sri Lankan Star Sapphire 0.796ct Loose
Sale price¥9,800
Tanzania Peristerite 0.805ct loose stone
Sale price¥6,980
Madagascar sphene 0.790ct loose stone
Sale price¥9,800
Brazilian Mica in Quartz (Mica in Quartz) 0.990ct Loose
Sale price¥6,980
Brazilian Mica in Quartz (Mica in Quartz) 0.701ct Loose Stone
Sale price¥6,980
Brazilian Mica in Quartz (Mica in Quartz) 0.622ct Loose Stone
Sale price¥6,980
Madagascar Green Apatite 0.531ct Loose Stone
Sale price¥6,980
Indian Moss Agate 0.807ct Loose Stone
Sale price¥6,980
Indian Moss Agate 0.721ct Loose Stone
Sale price¥8,800
Indian Moss Agate 0.873ct Loose Stone
Sale price¥7,980
Brazilian Lepidocrocite in Quartz 0.608ct Loose Stone
Sale price¥8,800
Brazilian copper rutilated quartz 0.862ct loose stone
Sale price¥7,980
Spanish Sphalerite 0.941ct loose stone
Sale price¥5,980
Indian Moss Agate 0.776ct Loose Stone
Sale price¥6,980
Mozambique Almandine Garnet 0.913ct Loose Stone
Sale price¥9,800
Nigerian Spessartine Garnet 0.559ct Loose Stone
Sale price¥7,980
Thai Blue Sapphire 0.740ct Loose
Sale price¥15,800
Tanzanian Rhodolite Garnet 0.794ct Loose Stone
Sale price¥9,800
Brazilian Green Tourmaline 0.549ct Loose Stone
Sale price¥9,800
Brazilian Tourmaline 0.671ct Loose Stone
Sale price¥9,800
Brazilian Tourmaline 0.615ct Loose Stone
Sale price¥9,800
Tanzanite from Tanzania 0.609ct loose stone
Sale price¥15,800
Unheated silky sapphire from Sri Lanka 0.721ct loose stone
Sale price¥14,800
Madagascar Yellow Sapphire 0.571ct Loose
Sale price¥14,800
Madagascar pink sapphire 0.594ct loose stone
Sale price¥14,800
Madagascar sapphire 0.647ct loose stone
Sale price¥14,800
Madagascar sapphire 0.564ct loose stone
Sale price¥12,800
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.