Oregon Sunstone from the USA, 2.128 ct loose stone
Sale price¥22,800
U.S. Oregon Sunstone 1.590ct Loose Stone
Sale price¥15,800
Mexican cantera opal 17.528ct loose
Sale price¥29,800
Bekily Blue Garnet from Madagascar (color change garnet) 0.297ct loose
Sale price¥19,800
South African yellow diamond (makeable) 0.159ct rough stone
Sale price¥12,800
Pyrite in quartz 15.971ct loose
Sale price¥12,800
Alexandrite cat's eye from Sri Lanka 0.947ct loose
Sale price¥18,800
Tanzanian Kornerupine 0.277ct loose stone
Sale price¥29,800
Mexican fire agate 19.730ct loose
Sale price¥19,800
Paraiba tourmaline from Brazil 0.129ct loose (Cu:0.6%,MnO:0.9%)
Sale price¥29,800
Green tourmaline 1.258ct loose
Sale price¥29,800
Colombian emerald 3.1mm/0.093ct loose stone
Sale price¥22,800
Mexican Fire Opal (Faceted) 4.5mm/0.218ct Loose Stone
Sale price¥14,800
Afghan Diaspore 0.239ct Loose
Sale price¥15,800
Tanzanian Lavender Tanzanite 0.391ct Loose Stone
Sale price¥12,800
Tanzanian Zoisite 5.5mm/0.689ct Loose
Sale price¥18,800
Tanzanian Rhodolite Garnet 9.3mm/4.393ct Loose Stone
Sale price¥29,800
Tanzanian Rhodolite Garnet 9.2mm/4.174ct Loose Stone
Sale price¥29,800
Tanzanian Tanzanite 4.3mm/0.311ct Loose Stone
Sale price¥12,800
Tanzanian Sunstone 1.477ct Loose Stone
Sale price¥15,800
Paraiba tourmaline from Brazil 0.097ct loose
Sale price¥22,800
Loose 0.498ct 5.0mm Oregon Sunstone from the USA
Sale price¥15,800
U.S. Red Beryl 3.2mm/0.111ct Loose Stone
Sale price¥29,800
Cambodian blue zircon 1.126ct loose stone
Sale price¥18,800
0.227 ct Loose Pink Spinel from Mozambique
Sale price¥12,800
Mexican Fire Opal 0.362ct Loose
Sale price¥15,800
0.933 ct loose Mozambican rubellite
Sale price¥25,800
Indian Parrot Chrysoberyl 4.2mm/0.347ct Loose Stone
Sale price¥12,800
Indian Parrot Chrysoberyl 4.5mm/0.375ct Loose Gemstone
Sale price¥15,800
Australian Prehnite 2.779 ct Loose Stone
Sale price¥12,800
Tibetan Andesine 0.348ct Loose Stone
Sale price¥12,800
Mongolian Color Change Andesine 0.882ct Loose Stone
Sale price¥19,800
0.097ct Grandidierite Loose Stone from Madagascar
Sale price¥29,800
Kenyan Idocrase 0.650ct Loose
Sale price¥12,800
0.742ct Bicolor Kyanite Loose Stone from Nepal
Sale price¥18,800
Green tourmaline 2.007ct loose
Sale price¥29,800
Rubellite 0.549ct loose
Sale price¥19,800
Mexican Opal 0.790ct Loose (Contrarus Opal, Faceted Cut)
Sale price¥18,800
Mexican Fire Opal 0.564ct Loose (Faceted Cut)
Sale price¥12,800
Colombian trapiche emerald (reverse trapiche) 0.457ct rough stone
Sale price¥25,800
Sri Lankan Moonstone 1.578ct Loose Gemstone
Sale price¥12,800
Mexican Fire Opal 0.218ct Loose Stone (Faceted Cut)
Sale price¥18,800
Johachidolite from Myanmar 0.332ct loose
Sale price¥29,800
Brazilian Paraiba tourmaline 0.065ct loose (CuO:2.0%, MnO:2.6%)
Sale price¥22,800
Tanzanite from Tanzania 0.889ct loose stone
Sale price¥18,800
Brown Diamond 5.2mm/0.561ct Loose (FANCY DARK BROWN, SI2)
Sale price¥29,800
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.