Zimbabwean sphene, 0.665ct loose stone
Sale price¥12,800
Blue sapphire 4.1mm/0.332ct loose stone
Sale price¥25,800
Blue sapphire 0.291ct loose stone
Sale price¥18,800
South African Sugilite 5.2mm/0.434ct Loose Stone (Rose Cut)
Sale price¥18,800
Zimbabwean Sphene 0.756ct Loose
Sale price¥18,800
Zimbabwean sphene, 0.850ct loose gemstone
Sale price¥19,800
Zimbabwean sphene 0.751ct loose stone
Sale price¥16,800
Mongolian Bicolor Andesine 0.944ct Loose Stone
Sale price¥15,800
German Hauyne 0.097ct Loose Stone
Sale price¥39,800
Synthetic Alexandrite 5.7mm/0.827ct Loose Stone
Sale price¥19,800
Brazilian Bicolor Beryl 0.556ct Loose Stone
Sale price¥29,800
American Anthill Garnet 0.822ct Loose Stone
Sale price¥19,800
Silky pink spinel from Mozambique 0.610ct loose
Sale price¥18,800
Tanzanian Clinozoisite 0.950ct Loose Stone (Phantom Cut)
Sale price¥3,980
Spinel from Sri Lanka 0.800ct loose
Sale price¥6,980
Colombian Emerald 0.222ct Loose
Sale price¥59,800
Spinel 0.545ct loose (rose cut)
Sale price¥6,980
Sri Lankan saffron 0.116ct loose stone with certificate of authenticity
Sale price¥25,800
Brazilian Indicolite Tourmaline 4.0mm/0.240ct Loose Stone with Appraisal
Sale price¥29,800
Brazilian Indigolite Tourmaline 0.609ct Loose Stone JTL
Sale price¥25,800
Brazilian Imperial Topaz 0.563ct Loose Stone
Sale price¥15,800
Tanzanian Rhodolite Garnet 0.801ct Loose Stone
Sale price¥9,800
Colombian emerald 0.101ct loose stone
Sale price¥15,800
Tanzanian Dragon Garnet 0.977ct Loose Stone
Sale price¥27,800
Zimbabwean Bicolor Euclase 0.183ct Loose Stone
Sale price¥49,800
Tanzanian Rhodolite Garnet 5.1mm/0.656ct Loose Stone
Sale price¥8,800
Paraiba tourmaline from Mozambique 0.154ct loose stone
Sale price¥19,800
Fire Opal 2 Stone Pair 4mm/0.336ct Loose
Sale price¥3,980
Diamond 0.618ct loose (I, I1, tree cut)
Sale price¥128,000
Paraiba tourmaline from Mozambique, 3.5mm/0.172ct loose stone
Sale price¥15,800
Paraiba tourmaline from Mozambique, 3.2mm/0.119ct loose stone
Sale price¥9,800
Brazilian Elestial Amethyst 0.809ct Loose Stone
Sale price¥6,980
Brazilian Elestial Amethyst 0.673ct Loose Stone
Sale price¥9,800
Colombian mint-colored emerald 0.214ct loose stone
Sale price¥8,800
Zambian emerald 0.159ct loose stone
Sale price¥8,800
Zambian emerald 0.135ct loose stone
Sale price¥8,800
Brazilian pink tourmaline 0.234ct loose stone
Sale price¥8,800
Congo Pink Tourmaline 6.0mm/0.825ct Loose Stone
Sale price¥29,800
Congo Pink Tourmaline 5.9mm/0.798ct Loose Stone
Sale price¥25,800
Congo Pink Tourmaline 5.0mm/0.463ct Loose Stone
Sale price¥24,800
Brazilian mint color tourmaline 0.145ct loose stone
Sale price¥8,800
Brazilian green tourmaline 0.194ct loose stone
Sale price¥12,800
Brazilian green tourmaline 0.755ct loose stone
Sale price¥18,800
Brazilian Dumortierite in Quartz 0.978ct Loose Stone
Sale price¥12,800
Mozambique pink sapphire 0.169ct loose stone
Sale price¥6,980
0.145ct loose pink sapphire from Madagascar
Sale price¥6,980
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.