Silky pink sapphire from Madagascar 0.445ct loose stone
Sale price¥12,800
German Awinite 0.117ct loose stone
Sale price¥25,800
German Awinite 0.076ct loose stone
Sale price¥18,800
South African Rhodochrosite 0.457ct loose stone
Sale price¥45,800
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
Hackmanite from Afghanistan 4.0mm/0.181ct 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
Mexican Hyalite Opal 5.0mm/0.449ct Loose Stone
Sale price¥9,800
Burmese gray spinel 0.827ct loose stone
Sale price¥28,800
Brazilian Euclase (Bicolor Euclase) 0.302ct Loose Stone
Sale price¥49,800
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 0.251ct Loose Stone (Bicolor Euclase)
Sale price¥29,800
Brazilian Euclase 0.116ct loose stone (bicolor Euclase)
Sale price¥25,800
Brazilian Euclase 0.492ct Loose Stone (Bicolor Euclase)
Sale price¥29,800
Brazilian Euclase 0.222ct Loose Stone
Sale price¥18,800
Brazilian Euclase 0.615ct Loose Stone
Sale price¥9,800
Indian Moonstone 0.881ct Loose
Sale price¥8,800
Bicolor sapphire 0.143ct loose
Sale price¥8,800
Synthetic Alexandrite 0.330ct loose stone
Sale price¥9,800
Synthetic Alexandrite 0.502ct loose stone
Sale price¥15,800
Synthetic Alexandrite 0.282ct loose stone
Sale price¥9,800
Brazilian Sky Blue Topaz (untreated) 0.968ct loose stone
Sale price¥12,800
Brazilian Santa Maria Aquamarine 0.206ct loose stone
Sale price¥12,800
Russian Diopside 0.402ct Loose Stone
Sale price¥8,800
Madagascar sphene 0.991ct loose stone
Sale price¥12,800
Brazilian Rubellite 0.897ct loose stone
Sale price¥29,800
Purple sapphire 0.419ct loose stone
Sale price¥15,800
Burmese Red Spinel 3.6mm/0.216ct Loose Stone
Sale price¥8,800
Pakistani Oil in Quartz 0.442ct Loose Stone
Sale price¥9,800
Brazilian Alexandrite 0.128ct loose stone
Sale price¥25,800
Brazilian Paraiba Tourmaline in Quartz 6.0mm/0.441ct 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
Paraiba tourmaline from Brazil 0.038ct loose
Sale price¥19,800
Paraiba tourmaline from Brazil 0.036ct loose
Sale price¥14,800
Tanzanian Purple Sapphire 0.681ct Loose Stone (Color Shift)
Sale price¥19,800
Cambodian colorless zircon 0.676ct loose stone (orange fluorescence)
Sale price¥6,980
Brazilian Petalite 0.615ct loose stone
Sale price¥6,980
Madagascar pink sapphire 0.527ct loose stone
Sale price¥18,800
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.