Brazilian Medusa Quartz (Paraiba Quartz) 3.441ct loose
Sale price¥3,980
Brazilian Medusa Quartz (Paraiba Quartz) 2.757ct loose
Sale price¥3,980
Tanzanian orange zircon 3.804ct loose
Sale price¥35,800
Blue beryl (Mashish beryl) 3.268ct loose stone
Sale price¥25,800
Brazilian green tourmaline 3.102ct loose stone
Sale price¥69,800
Australian black opal 2.736ct loose
Sale price¥98,000
Sri Lankan star sapphire 3.821ct loose
Sale price¥79,800
Sri Lankan star sapphire 3.317ct loose
Sale price¥59,800
Zambian bicolor tourmaline 4.019ct loose stone
Sale price¥98,000
Brazilian Paraiba tourmaline in quartz 2.954ct loose
Sale price¥39,800
Brazilian Medusa Quartz (Paraiba Quartz) 3.919ct loose
Sale price¥6,980
Petalite 2.858ct loose
Sale price¥7,980
Chrysoberyl cat's eye 2.553ct loose (bicolor)
Sale price¥39,800
2.275ct Australian Black Opal Loose Stone (Double Sided)
Sale price¥59,800
Brazilian rose quartz 4.019ct loose stone
Sale price¥11,000
Brazilian rose quartz 2.167ct loose stone
Sale price¥9,800
[Rouge cut] Almandine garnet 2.090ct loose
Sale price¥8,800
Paraiba Tourmaline from Mozambique 2.037ct loose stone with gem analysis
Sale price¥498,000
Australian boulder opal 3.695ct loose
Sale price¥14,800
Australian boulder opal 2.470ct loose
Sale price¥7,980
Sri Lankan star sapphire 2.094ct loose
Sale price¥12,800
Oregon Sunstone from the United States, 4.678ct loose stone
Sale price¥69,800
Colombian pyrite in emerald 4.592ct loose
Sale price¥110,000
Felspar 2.993ct loose from Sri Lanka
Sale price¥6,980
Brazilian bicolor tourmaline 4.497ct loose stone
Sale price¥69,800
2.594ct loose Oregon sunstone from the United States
Sale price¥39,800
Pink spinel 3.208ct loose
Sale price¥98,000
Kunzite from Afghanistan 3.973ct loose stone
Sale price¥12,800
Brazilian bicolor tourmaline 2.047ct loose
Sale price¥29,800
Felspar 3.330ct loose from Sri Lanka
Sale price¥8,800
Mozambique Rhodolite Garnet 3.662ct Loose Stone
Sale price¥25,800
Tanzanian Almandine Garnet 2.897ct Loose Stone
Sale price¥22,800
Tanzanian Almandine Garnet 2.169 ct Loose Stone
Sale price¥21,800
Mozambican Rhodolite Garnet 3.161ct Loose
Sale price¥22,800
Tanzanian Rhodolite Garnet 2.081ct Loose Stone, Japan-Germany Exchange
Sale price¥18,800
Tibetan Andesine 2.769ct Loose Stone (Pixel Cut)
Sale price¥9,800
Tanzanian Almandine Garnet 2.972ct Loose Stone
Sale price¥18,800
Tanzanian Rhodolite Garnet 3.486ct Loose Stone
Sale price¥24,800
Ice blue sapphire 3.813ct loose
Sale price¥49,800
Illusion Bicolor Tourmaline 3.202ct Loose Stone
Sale price¥69,800
Australian boulder opal 3.122ct loose stone
Sale price¥29,800
Brazilian pink tourmaline 2.765ct loose stone
Sale price¥69,800
Colombian bicolor fluorite 3.209ct loose stone
Sale price¥18,800
Australian Prehnite 3.751ct loose stone
Sale price¥9,800
Brazilian bicolor tourmaline 2.341ct loose stone
Sale price¥79,800
Kunzite from Afghanistan 4.331ct loose stone
Sale price¥8,800
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.