Yellow Diamond (Cabochon Cut) 0.176ct Loose
Sale price¥29,800
Pezzotite from Madagascar 0.257ct loose
Sale price¥15,800
Madagascar Apatite 0.961ct Loose Stone
Sale price¥6,980
Brazilian pink tourmaline 0.781ct loose stone
Sale price¥9,800
Brazilian pink tourmaline 0.918ct loose stone
Sale price¥9,800
Zimbabwe bicolor euclase 0.192ct loose stone
Sale price¥39,800
Bicolor sapphire 0.301ct loose
Sale price¥18,800
Madagascar Bicolor Sapphire 0.232ct Loose
Sale price¥15,800
Madagascar sphene 0.602ct loose stone
Sale price¥9,800
Sphene from Madagascar 0.556ct Loose Stone
Sale price¥9,800
Madagascar sphene 0.531ct loose stone
Sale price¥8,800
Colombian Euclase 0.817ct loose stone
Sale price¥29,800
Brazilian Morganite 0.405ct loose stone
Sale price¥7,980
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.375ct Loose Stone
Sale price¥18,800
0.827ct Loose Brazilian Swiss Blue Topaz
Sale price¥8,800
Brazilian Swiss Blue Topaz 0.889ct Loose Stone
Sale price¥8,800
Brazilian Swiss Blue Topaz 0.890ct Loose
Sale price¥8,800
Brazilian Swiss Blue Topaz 0.724ct Loose Stone
Sale price¥8,800
Brazilian Blue Topaz 0.766ct Loose Stone
Sale price¥6,980
Sweet Home Rhodochrosite 2.7mm/0.108ct Loose Stone
Sale price¥12,800
Mexican Fire Opal 0.448ct Loose
Sale price¥3,980
Tanzanite from Tanzania 0.432ct loose stone
Sale price¥12,800
Tibetan Andesine 0.671ct loose stone
Sale price¥12,800
Brazilian Aquamarine 0.474ct Loose Stone
Sale price¥12,800
0.870ct loose purple spinel from Madagascar
Sale price¥14,800
Madagascar Purple Spinel 5.2mm/0.651ct Loose Stone
Sale price¥8,800
Vietnam Aquamarine 0.586ct Loose
Sale price¥12,800
Afghanistan diaspore 0.215ct loose stone
Sale price¥12,800
Synthetic Alexandrite 0.560ct loose stone
Sale price¥14,800
0.167 ct Loose Benitoite from the USA, with identification certificate
Sale price¥59,800
American Benitoite 0.051ct loose stone (princess cut)
Sale price¥15,800
Brazilian Green Tourmaline 0.561ct Loose Stone
Sale price¥25,800
Ethiopian Sunstone 0.661ct Loose
Sale price¥9,800
Pakistani Lazurite (Azurite) 0.290ct loose stone
Sale price¥98,000
Colombian emerald 0.203ct loose stone with certificate
Sale price¥98,000
Russian demantoid garnet (horsetail recognized) 0.291ct loose
Sale price¥69,800
Ethiopian Opal 7.2mm/0.910ct Loose Stone
Sale price¥6,980
Namibian Jeremejevite 0.171ct loose stone
Sale price¥39,800
Namibian Jeremejevite 0.127ct loose stone
Sale price¥29,800
Pakistani Axinite 0.500ct loose stone (green tint)
Sale price¥12,800
Sri Lankan saffron 0.121ct loose stone
Sale price¥18,800
Madagascar Purple Sapphire 4.5mm/0.393ct Loose Stone
Sale price¥18,800
Madagascar Purple Sapphire 4.5mm/0.435ct Loose Stone
Sale price¥18,800
Brazilian Santa Maria Aquamarine 0.968ct loose stone
Sale price¥69,800
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.