Russian Demantoid Garnet 0.192ct Loose Stone
Sale price¥79,800
Ice blue sapphire 3.813ct loose
Sale price¥49,800
[Colorful] Pt900/Pt850 Auinite 0.08ct pendant (necklace)
Sale price¥79,800
Dendritic quartz 7.997ct loose
Sale price¥6,980
Brazilian bicolor tourmaline 1.565ct loose
Sale price¥19,800
Brazilian bicolor tourmaline 1.764ct loose
Sale price¥32,800
[Posted 12544254] Cornel pin 0.228ct loose
Sale price¥18,800
Ice blue sapphire from Madagascar 0.181ct loose
Sale price¥6,980
Yellow sapphire from Madagascar 0.181ct loose
Sale price¥4,980
Green sapphire from Madagascar 0.199ct loose
Sale price¥6,980
Russian Phenakite 0.520ct Loose Stone
Sale price¥24,800
Afghanistan Hackmanite 0.177ct loose stone
Sale price¥14,800
Brazilian Swiss Blue Topaz 13.287ct Loose Stone
Sale price¥18,800
Tibetan Andesine 2.769ct Loose Stone (Pixel Cut)
Sale price¥9,800
Madagascar sphene 1.864ct loose stone
Sale price¥45,800
Tanzanian Rhodolite Garnet 2.081ct Loose Stone, Japan-Germany Exchange
Sale price¥18,800
Mozambican Rhodolite Garnet 3.161ct Loose
Sale price¥22,800
Tanzanian Almandine Garnet 2.169 ct Loose Stone
Sale price¥21,800
Tanzanian Almandine Garnet 2.897ct Loose Stone
Sale price¥22,800
Tanzanian Almandine Garnet 6.5mm/1.071ct Loose Stone
Sale price¥11,000
Mozambique Rhodolite Garnet 3.662ct Loose Stone
Sale price¥25,800
Tanzanian Almandine Garnet 10mm/6.196ct Loose Stone
Sale price¥29,800
Tanzanian Almandine Garnet 11.0mm/6.787ct Loose Stone
Sale price¥49,800
3.2mm/0.132ct loose diamond (G, VS-2, Excellent)
Sale price¥29,800
0.200ct loose diamond (G, VVS2, radiant cut)
Sale price¥29,800
Madagascar sapphire 0.205ct loose
Sale price¥7,980
Yellow sapphire from Madagascar 0.207ct loose
Sale price¥6,980
Mozambique Ruby 3.4mm/0.139ct Loose Stone
Sale price¥25,800
Silky pink sapphire from Madagascar, 1.050ct loose, GIT
Sale price¥128,000
Felspar 3.330ct loose from Sri Lanka
Sale price¥8,800
Blue tourmaline from Afghanistan 4.5mm/0.326ct loose
Sale price¥7,980
Mexican Fire Opal 4.2mm/0.182ct Loose
Sale price¥8,800
Bicolor tourmaline 22.088ct loose
Sale price¥298,000
Madeira Citrine 7mm/0.938ct loose
Sale price¥3,980
Diamond 0.039ct loose (trapeze cut, equivalent to VS class)
Sale price¥5,980
Diamond 0.042ct loose (trapeze cut, VS class equivalent)
Sale price¥6,980
Diamond 0.061ct loose (trapeze cut, VS class equivalent)
Sale price¥7,980
Red beryl 0.136ct loose
Sale price¥25,800
Brazilian bicolor tourmaline 2.047ct loose
Sale price¥29,800
Kunzite from Afghanistan 3.973ct loose stone
Sale price¥12,800
Brazilian rose amethyst 0.793ct loose stone
Sale price¥15,800
Synthetic rutile 5.1mm/0.893ct loose stone
Sale price¥9,800
Synthetic rutile 1.020ct loose stone
Sale price¥18,800
Pink spinel 3.208ct loose
Sale price¥98,000
Andalusite 0.192ct loose stone
Sale price¥2,980
Andalusite 0.293ct loose stone
Sale price¥3,980
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.