Cambodian Blue Zircon 0.744ct Loose Stone
Sale price¥8,800
Tanzanian pink tourmaline 0.558ct loose stone
Sale price¥12,800
Tanzanian Golden Sheen Sapphire 3.8mm/0.301ct Loose Stone
Sale price¥13,800
0.421ct loose yellow sapphire from Ratnapura, Sri Lanka
Sale price¥11,800
Morganite 0.379ct loose stone
Sale price¥8,800
Benitoite 0.338ct loose stone
Sale price¥258,000
Tanzanian Kornerupine 0.212ct loose stone
Sale price¥19,800
Tanzanian Kornerupine 0.356ct loose stone
Sale price¥49,800
Tanzanian Mandarin Garnet 0.359ct Loose Stone
Sale price¥22,800
Madagascar Green Sapphire 0.253ct Loose
Sale price¥9,800
Madagascar pink sapphire 0.243ct loose stone
Sale price¥9,800
Sri Lankan Blue Sapphire 0.519ct Loose
Sale price¥15,800
Greenland sapphire 0.592ct loose stone
Sale price¥24,800
Demantoid Garnet from Madagascar 0.169ct loose stone
Sale price¥25,800
Russian Demantoid Garnet (Horsetail) 0.297ct Loose
Sale price¥39,800
Tanzania color change spinel 0.319ct loose stone
Sale price¥29,800
Sphene 0.503ct loose stone
Sale price¥8,800
Sri Lankan Blue Sapphire (Ice Blue) 0.584ct Loose
Sale price¥9,800
0.165ct Unheated Silky Pink Sapphire from Vietnam
Sale price¥6,980
American red beryl 0.160ct loose
Sale price¥98,000
Mozambique Aquamarine 0.216ct Loose Stone
Sale price¥6,980
Detroit City Rhodochrosite 4mm/0.434ct Loose Stone
Sale price¥8,800
Brazilian Paraiba Tourmaline 0.177ct loose stone (CuO: 2.1%, MnO: 1.3%)
Sale price¥45,800
Yellow tourmaline 0.238ct loose stone
Sale price¥4,980
Colombian emerald 0.499ct rough stone
Sale price¥15,800
Oregon Sunstone 0.272ct Loose
Sale price¥8,800
Brazilian Paraiba Tourmaline 0.216ct loose stone (CuO:1.2%, MnO:2.7%)
Sale price¥69,800
Benitoite 0.231ct loose
Sale price¥220,000
Benitoite 0.286ct loose
Sale price¥258,000
Colombian emerald 0.167ct loose stone with jewel
Sale price¥49,800
Ruby 0.242ct loose stone
Sale price¥14,800
Jeremejevite 0.201ct loose stone
Sale price¥45,800
Tanzanian Kornerupine 0.300ct Loose Stone
Sale price¥29,800
Tanzanian Kornerupine 0.249ct loose stone
Sale price¥22,800
Tanzanian Kornerupine 0.303ct loose stone
Sale price¥12,800
Tanzanian Kornerupine 0.201ct loose stone
Sale price¥25,800
Tanzanian Kornerupine 0.200ct Loose Stone
Sale price¥18,800
Rhodochrosite from Detroit City, USA 3.1mm/0.154ct loose stone
Sale price¥29,800
Rhodochrosite from Detroit City, USA 3.2mm/0.150ct loose stone
Sale price¥29,800
Paraiba tourmaline from Mozambique 0.252ct loose
Sale price¥15,800
Pink sapphire 0.202ct loose stone
Sale price¥9,800
Pink sapphire 0.202ct loose stone
Sale price¥8,800
Purple sapphire 0.199ct loose stone
Sale price¥8,800
White Conch Pearl (with flame pattern) 0.627ct loose stone with jewel
Sale price¥69,800
Colombian emerald 0.345ct loose stone (silky type)
Sale price¥15,800
Diamond 3.4mm/0.144ct loose stone (I, VS1, Good)
Sale price¥16,800
Colombian pyrite-mica emerald 0.844ct loose stone
Sale price¥35,800
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.