Russian Demantoid Garnet 0.192ct Loose Stone
Sale price¥79,800
Green sapphire from Madagascar 0.199ct loose
Sale price¥6,980
Ice blue sapphire from Madagascar 0.181ct loose
Sale price¥6,980
Yellow sapphire from Madagascar 0.181ct loose
Sale price¥4,980
Madagascar sapphire 0.205ct loose
Sale price¥7,980
Yellow sapphire from Madagascar 0.207ct loose
Sale price¥6,980
Tinker Bell Quartz (Pink Fire Quartz) 1.664ct Loose (Faceted Cut)
Sale price¥12,800
[Posted 12544254] Cornel pin 0.228ct loose
Sale price¥18,800
Brazilian bicolor tourmaline 1.764ct loose
Sale price¥32,800
Dendritic quartz 7.997ct loose
Sale price¥6,980
Brazilian bicolor tourmaline 1.565ct loose
Sale price¥19,800
0.200ct loose diamond (G, VVS2, radiant cut)
Sale price¥29,800
3.2mm/0.132ct loose diamond (G, VS-2, Excellent)
Sale price¥29,800
Ethiopian Sunstone 0.505ct Loose
Sale price¥8,800
Unheated Pigeon Blood Ruby from Myanmar, 0.640ct Loose, AIGS
Sale price¥258,000
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
Diamond 0.061ct loose (trapeze cut, VS class equivalent)
Sale price¥7,980
Diamond 0.042ct loose (trapeze cut, VS class equivalent)
Sale price¥6,980
Diamond 0.039ct loose (trapeze cut, equivalent to VS class)
Sale price¥5,980
Red beryl 0.136ct loose
Sale price¥25,800
Sapphire from Madagascar 4.3mm/0.398ct loose
Sale price¥12,800
Hot Pink Spinel 0.203ct Loose (Mahenge Spinel)
Sale price¥8,800
Moldavite from the former Czechoslovakia, 0.095ct loose stone
Sale price¥8,800
Pezzottaite from Madagascar 0.198ct loose stone
Sale price¥15,800
Kunzite from Afghanistan 3.973ct loose stone
Sale price¥12,800
Brazilian rose amethyst 0.793ct loose stone
Sale price¥15,800
Andalusite 0.293ct loose stone
Sale price¥3,980
Andalusite 0.192ct loose stone
Sale price¥2,980
Pink spinel 3.208ct loose
Sale price¥98,000
Synthetic rutile 1.020ct loose stone
Sale price¥18,800
Madagascar Dumortierite (single crystal) 0.195ct loose stone
Sale price¥89,800
Brazilian Blue Anatase 0.424ct Loose Stone
Sale price¥49,800
Brazilian citrine 1.962ct loose stone
Sale price¥9,800
Colombian Euclase 1.817ct Loose Stone
Sale price¥29,800
Brazilian Dumortierite in Quartz 1.414ct Loose Stone
Sale price¥12,800
Russian Demantoid Garnet (Horsetail) 3.8mm/0.249ct Loose Stone
Sale price¥39,800
Oregon Sunstone from the United States, 0.386ct loose stone
Sale price¥24,800
Oregon Sunstone from the United States, 0.530ct loose stone
Sale price¥15,800
2.594ct loose Oregon sunstone from the United States
Sale price¥39,800
Brazilian Yellow Beryl 9.747ct Loose Stone
Sale price¥98,000
Brazilian Green Tourmaline 5.0mm/0.401ct Loose Stone (Rose Cut)
Sale price¥9,800
Australian Prehnite 1.691ct loose stone
Sale price¥9,800
1.705ct Australian Prehnite Loose Stone
Sale price¥9,800
Baddeleyite from Myanmar 0.279ct Ruth Japanese German edition
Sale price¥15,800
Sri Lankan star sapphire 1.487ct loose
Sale price¥8,800
Bicolor Andesine 6mm/0.699ct loose (color shift)
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.