Brazilian Imperial Topaz 0.826ct Loose
Sale price¥18,800
Green Zoisite 0.703ct Loose Stone
Sale price¥22,800
Brazilian Apatite in Jasper 1.477ct Loose Stone
Sale price¥5,980
Australian black opal 2.277ct loose stone (play of color on both sides)
Sale price¥34,800
Medusa Quartz (Paraiba Quartz) 1.666ct loose
Sale price¥18,800
Moss agate 1.285ct loose stone
Sale price¥5,980
Australian Black Opal 0.529ct Loose
Sale price¥15,800
Australian Black Opal 0.754ct Loose
Sale price¥22,800
Australian black opal 0.758ct loose stone
Sale price¥35,800
South African rhodochrosite 2.477ct loose Japanese-German edition
Sale price¥398,000
Loose Brazilian rose amethyst, 2.626 ct
Sale price¥9,800
Indian Black Moonstone 1.871ct Loose Gemstone
Sale price¥12,800
Brazilian Paraiba tourmaline in quartz 1.602ct loose
Sale price¥39,800
Australian Rainbow Lattice Sunstone 0.657ct Loose Gemstone
Sale price¥13,800
Hemimorphite from Congo, 6.928 ct loose
Sale price¥29,800
Congo hemimorphite 3.399ct loose stone
Sale price¥19,800
Mexican egg-in opal 2.125ct loose stone
Sale price¥15,800
Mexican fire opal 2.499ct loose stone
Sale price¥18,800
Tanzanian Rhodolite Garnet 1.765ct Loose Gemstone
Sale price¥18,800
Tanzanian bicolor zoisite 2.322ct loose stone
Sale price¥69,800
Australian Prehnite 2.666ct loose stone
Sale price¥12,800
Tanzanian Rhodolite Garnet 9.2mm/4.174ct Loose Stone
Sale price¥29,800
Tanzanian Rhodolite Garnet 9.3mm/4.393ct Loose Stone
Sale price¥29,800
Oregon Sunstone from the USA, 2.128 ct loose stone
Sale price¥22,800
Zimbabwean Sphene 2.520ct Loose Gemstone
Sale price¥59,800
Brazilian green tourmaline 4.345ct loose stone
Sale price¥69,800
Tanzanite from Tanzania 2.777ct loose stone
Sale price¥98,000
Brazilian green tourmaline 3.102ct loose stone
Sale price¥69,800
Brazilian Dumortierite in Quartz 10.0mm/5.357ct Loose Stone
Sale price¥39,800
Brazilian rose quartz 2.167ct loose stone
Sale price¥9,800
2.594ct loose Oregon sunstone from the United States
Sale price¥39,800
Tanzanian Rhodolite Garnet 2.081ct Loose Stone, Japan-Germany Exchange
Sale price¥18,800
Tanzanian Almandine Garnet 2.972ct Loose Stone
Sale price¥18,800
Tanzanian Rhodolite Garnet 3.486ct Loose Stone
Sale price¥24,800
Australian boulder opal 1.457ct loose stone
Sale price¥9,800
Rouge Cut Almandine Garnet from Mozambique, 5.952ct Loose
Sale price¥15,800
Rouge Cut Almandine Garnet from Mozambique, 5.841ct Loose
Sale price¥14,800
Mozambique Almandine Garnet 2.959ct Loose Stone
Sale price¥19,800
Illusion Tourmaline (Iridescent Tourmaline) 1.356ct Loose Stone
Sale price¥39,800
Mexican Cantera Opal 2.125ct Loose
Sale price¥39,800
Kunzite from Afghanistan 3.108ct loose stone
Sale price¥15,800
Mexican Hyalite Opal 1.587ct Loose
Sale price¥9,800
Mexican Hyalite Opal 0.942ct Loose
Sale price¥9,800
Mexican Fire Opal 1.348ct Loose
Sale price¥15,800
2.801ct loose stone of Rogerian fluorite from the UK
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.