Brazilian Lepidocrocite in Quartz 0.713ct Loose Stone
Sale price¥3,980
Brazilian bicolor tourmaline 0.837ct loose stone
Sale price¥15,800
Brazilian bicolor tourmaline 0.545ct loose stone (rose cut)
Sale price¥5,980
Brazilian bicolor tourmaline 0.549ct loose stone (rose cut)
Sale price¥8,800
Spanish bicolor sphalerite 0.765ct loose stone
Sale price¥12,800
Spanish bicolor sphalerite 0.866ct loose stone
Sale price¥12,800
Madagascar Andalusite 0.542ct loose stone
Sale price¥8,800
Brazilian Morganite 0.591ct loose stone
Sale price¥3,980
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.824ct Loose Stone
Sale price¥39,800
YAG (Yttrium Aluminum Garnet) 4.8mm/0.538ct loose stone
Sale price¥8,800
Oregon Sunstone from the United States 0.661ct loose stone
Sale price¥6,980
Sri Lankan Yellow Sapphire 0.826ct Loose
Sale price¥25,800
Tanzania Peristallite 6.0mm/0.531ct Loose Stone (Blue Moonstone)
Sale price¥9,800
Tanzania Peristerite 6.2mm/0.582ct loose stone
Sale price¥6,980
Brazilian Paraiba Tourmaline in Quartz 0.556ct Loose Stone
Sale price¥15,800
Brazilian bicolor tourmaline 0.502ct loose stone
Sale price¥9,800
Colombian Trapiche Emerald 0.923ct Rough Stone
Sale price¥45,800
Brazilian Paraiba Tourmaline in Quartz 0.946ct Loose Stone
Sale price¥15,800
Brazilian Paraiba Tourmaline in Quartz 0.620ct Loose Stone
Sale price¥25,800
Brazilian Paraiba Tourmaline in Quartz 0.866ct Loose Stone
Sale price¥17,800
Brazilian Paraiba Tourmaline in Quartz 0.812ct Loose Stone
Sale price¥15,800
Tanzanian Rhodolite Garnet 0.649ct Loose Stone
Sale price¥8,800
Synthetic Moissanite 5.9mm/0.648ct Loose Stone
Sale price¥9,800
Synthetic Moissanite 5.9mm/0.651ct Loose Stone
Sale price¥9,800
Brazilian bicolor tourmaline 0.891ct loose stone (princess cut)
Sale price¥15,800
Brazilian Rock Crystal 0.936ct Loose Stone
Sale price¥6,980
Pakistani Oil in Quartz 0.528ct Loose Stone
Sale price¥9,800
Mexican Hyalite Opal 6.1mm/0.810ct Loose
Sale price¥15,800
Mexican Hyalite Opal 6.0mm/0.676ct Loose Stone
Sale price¥15,800
Burmese gray spinel 0.827ct loose stone
Sale price¥28,800
Tanzania gray spinel 0.844ct loose stone
Sale price¥18,800
Australian black opal 0.693ct loose stone
Sale price¥8,800
Brazilian Dendritic Agate 0.845ct Loose Stone
Sale price¥8,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 0.631ct Loose Stone
Sale price¥8,800
Brazilian Euclase 0.615ct Loose Stone
Sale price¥9,800
Indian Moonstone 0.881ct Loose
Sale price¥8,800
Synthetic Alexandrite 0.502ct loose stone
Sale price¥15,800
Brazilian Sky Blue Topaz (untreated) 0.968ct loose stone
Sale price¥12,800
Madagascar sphene 0.991ct loose stone
Sale price¥12,800
Brazilian Rubellite 0.897ct loose stone
Sale price¥29,800
Brazilian Paraiba Tourmaline in Quartz 6.0mm/0.568ct Loose Stone
Sale price¥22,800
Brazilian bicolor tourmaline 0.644ct loose stone
Sale price¥9,800
Silky sapphire from Sri Lanka 0.975ct loose
Sale price¥8,800
Rutile Inphenakite from Madagascar 0.825ct loose stone
Sale price¥7,980
Rutile Inphenakite from Madagascar 0.967ct 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.