Brazilian Dumortierite in Quartz 1.112ct Loose Gemstone (Faceted Cut)
Sale price¥11,000
Brazilian Dumortierite in Quartz 3.009ct Loose Stone
Sale price¥29,800
American Anthill Garnet 4.0mm/0.359ct Loose
Sale price¥12,800
Brazilian Dumortierite in Quartz 2.282ct Loose Gemstone
Sale price¥18,800
Mexican fire opal, 0.733 ct, loose
Sale price¥29,800
Tanzanian Rhodolite Garnet 1.765ct Loose Gemstone
Sale price¥18,800
Tanzanian Rhodolite Garnet 1.203ct Loose
Sale price¥12,800
American Peridot 0.643ct Loose Stone
Sale price¥12,800
Cambodian Colorless Zircon 0.621ct Loose Stone
Sale price¥12,800
Tanzanian Color Change Garnet 0.607ct Loose Stone
Sale price¥11,000
Sri Lankan Hessonite Garnet Loose Stone, 6.5mm/1.353ct
Sale price¥12,800
Synthetic rutile 2.462ct loose stone
Sale price¥25,800
Australian Prehnite 2.666ct loose stone
Sale price¥12,800
Synthetic Alexandrite 0.338ct loose stone
Sale price¥12,800
Mexican Fire Opal (Faceted) 0.501ct Loose Stone
Sale price¥12,800
Tanzanian Rhodolite Garnet 2.370 ct Loose Stone
Sale price¥19,800
Benitoite from the USA, 0.064ct loose
Sale price¥29,800
German Apatite 0.048ct Loose Stone
Sale price¥19,800
1.362ct loose Oregon sunstone from the United States
Sale price¥29,800
US-sourced Oregon Sunstone 0.428ct Loose
Sale price¥18,800
Tanzanian Mandarin Garnet, 0.418 ct Loose Stone
Sale price¥25,800
0.175ct loose hot pink sapphire from Mozambique
Sale price¥15,800
Mexican Fire Opal 0.459ct Loose
Sale price¥18,800
Colombian emerald 0.155ct loose stone
Sale price¥29,800
Sri Lankan Blue Sapphire (Ice Blue) 0.272ct Loose
Sale price¥12,800
Tanzanite 0.753ct loose stone from Tanzania
Sale price¥25,800
Tanzanian Rhodolite Garnet 1.194ct Loose Stone
Sale price¥15,800
Tanzanian Zoisite 0.956ct Loose Stone
Sale price¥19,800
Colombian mint-color emerald, 5.1mm/0.517ct loose stone
Sale price¥12,800
Cambodian Zircon 2.495ct Loose
Sale price¥22,800
Diamond rough (makeable) 0.284ct rough
Sale price¥12,800
Afghan Bicolor Beryl 9.490ct Loose Gemstone (with Rainbow Inclusions)
Sale price¥25,800
Congo Cobalt Calcite 1.439ct Loose Stone
Sale price¥18,800
Australian Iron Opal 17.439ct Loose
Sale price¥18,800
Mexican Fire Opal 0.218ct Loose Stone (Faceted Cut)
Sale price¥18,800
【Available 9/7 at 10 PM】 Sri Lankan Moonstone 1.578ct Loose Stone
Sale price¥12,800
Rubellite 0.549ct loose
Sale price¥19,800
Green tourmaline 2.007ct loose
Sale price¥29,800
Brown Diamond 5.2mm/0.561ct Loose (FANCY DARK BROWN, SI2)
Sale price¥29,800
Kenyan Idocrase 0.650ct Loose
Sale price¥12,800
0.097ct Grandidierite Loose Stone from Madagascar
Sale price¥29,800
Mongolian Color Change Andesine 0.882ct Loose Stone
Sale price¥19,800
Tibetan Andesine 0.348ct Loose Stone
Sale price¥12,800
Australian Prehnite 2.779 ct Loose Stone
Sale price¥12,800
Indian Parrot Chrysoberyl 4.5mm/0.375ct Loose Gemstone
Sale price¥15,800
0.933 ct loose Mozambican rubellite
Sale price¥25,800
0.227 ct Loose Pink Spinel from Mozambique
Sale price¥12,800
Cambodian blue zircon 1.126ct 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.