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
Brazilian rose quartz 1.848ct loose stone
Sale price¥9,800
Australian Prehnite 1.691ct loose stone
Sale price¥9,800
Tanzanian Almandine Garnet 2.897ct Loose Stone
Sale price¥22,800
Tibetan Andesine 2.769ct Loose Stone (Pixel Cut)
Sale price¥9,800
Tanzanian Almandine Garnet 2.972ct Loose Stone
Sale price¥18,800
Tanzanian Almandine Garnet 1.564ct Loose Stone
Sale price¥12,800
Afghanistan Green Tourmaline 7.8mm/1.738ct Loose Stone
Sale price¥59,800
Mexican Hyalite Opal 1.420ct Loose
Sale price¥18,800
Brazilian citrine 1.962ct loose stone
Sale price¥9,800
0.903ct loose labradorite from Madagascar
Sale price¥9,800
[Rouge Cut] Brazilian Bicolor Tourmaline 0.578ct Loose
Sale price¥9,800
Mozambique Almandine Garnet 2.959ct Loose Stone
Sale price¥19,800
Mozambique Almandine Garnet 7.7mm/1.781ct Loose Stone
Sale price¥18,800
Tanzanian Almandine Garnet 2.992ct Loose Stone, Japan-Germany Exchange
Sale price¥15,800
Tanzanian Sunstone 1.599ct Loose Stone
Sale price¥9,800
Brazilian Blue Topaz Cat's Eye 2.631ct Loose Stone
Sale price¥9,800
[12559903] 2.991ct Brazilian Imperial Topaz Loose Stone
Sale price¥158,000
Mexican Cantera Opal 2.125ct Loose
Sale price¥39,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 4.156ct Loose Stone
Sale price¥18,800
Mexican Hyalite Opal 1.587ct Loose
Sale price¥9,800
Brazilian Green Spodumene 2.899ct Loose Stone
Sale price¥12,800
Brazilian Green Spodumene 2.433ct Loose Stone
Sale price¥18,800
Mexican Cantera Opal 1.209ct Loose Stone (Rose Cut)
Sale price¥12,800
Mexican Cantera Opal 1.394ct Loose Stone (Rose Cut)
Sale price¥12,800
Mexican Cantera Opal 1.436ct Loose Stone (Rose Cut)
Sale price¥12,800
Oregon Sunstone from the United States 8.0mm/1.835ct loose stone
Sale price¥22,800
Colombian Euclase 1.776ct loose stone
Sale price¥15,800
Madagascar Apatite Cat's Eye 2.496ct Loose Stone
Sale price¥9,800
Brazilian Morganite 2.183ct loose stone
Sale price¥29,800
Brazilian Green Spodumene 1.997ct Loose Stone
Sale price¥12,800
Nigerian Morganite 2.745ct loose stone
Sale price¥12,800
Madagascar Iolite 3.129ct loose stone
Sale price¥39,800
Brazilian Green Tourmaline 4.613ct Loose Stone
Sale price¥39,800
Ethiopian Opal 7.2mm/0.910ct Loose Stone
Sale price¥6,980
Dendritic Opal 3.041ct Loose
Sale price¥18,800
Madagascar Golden Iolite (Cordierite) 7.6mm/1.477ct Loose Stone
Sale price¥29,800
Mexican Hyalite Opal 1.554ct Loose
Sale price¥7,980
Brazilian Dumortierite in Quartz 3.188ct loose stone (faceted cut)
Sale price¥12,800
Brazilian Rubellite 2.439ct loose stone
Sale price¥69,800
Brazilian Paraiba Tourmaline in Quartz 7.9mm/1.133ct Loose Stone
Sale price¥22,800
Brazilian Paraiba Tourmaline in Quartz 1.530ct Loose Stone
Sale price¥29,800
Brazilian Green Spodumene 1.943ct Loose Stone
Sale price¥9,800
Brazilian Spodumene 3.200ct loose stone
Sale price¥16,800
Brazilian Petalite 2.164ct loose stone
Sale price¥11,000
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.