Zimbabwe Green Diamond Rough (Sawable) 0.402ct Rough Stone with Trigon
Sale price¥148,000
Colombian trapiche emerald 13.466ct loose
Sale price¥398,000
Russian Demantoid Garnet (Horsetail Recognized) 5.1mm/0.664ct Loose Stone
Sale price¥188,000
0.338ct Canadian Green Diamond Rough (Sawable) - With Trigons
Sale price¥128,000
Angola Green Diamond Rough (Sawable) 0.528ct Rough (with Trigon)
Sale price¥198,000
Colombian oil-free emerald 0.220ct loose GIA
Sale price¥248,000
Madagascar Pezzottaite 0.670ct Loose Stone, Japan-Germany Scale
Sale price¥298,000
Colombian oil-free emerald 0.510ct loose GIA
Sale price¥598,000
Colombian pyrite emerald 8.044ct loose stone
Sale price¥188,000
Loose Pink Diamond, 2.5mm/0.097ct (FANCY PINK, SI2, Princess Cut)
Sale price¥148,000
Unheated Pigeon Blood Ruby 5.0mm/0.520ct Loose Stone AIGS
Sale price¥128,000
Pigeon Blood Ruby 4.6mm/0.490ct Loose
Sale price¥128,000
Bulgarian green sphalerite 9.2mm/3.608ct loose Japanese-German edition
Sale price¥398,000
Rubellite 7.068ct loose Japanese-German book
Sale price¥498,000
Brazilian unheated particolor Paraiba tourmaline 0.84ct loose GIA
Sale price¥2,580,000
Sri Lankan triple star sapphire 1.743ct loose stone
Sale price¥128,000
Sri Lankan Twin Star Sapphire 3.928ct Loose
Sale price¥128,000
Sri Lankan Zircon Cat's Eye 23.767ct Loose
Sale price¥398,000
Sri Lankan star sapphire 12.679ct loose
Sale price¥158,000
Brazilian bicolor tourmaline 7.268ct loose stone
Sale price¥158,000
Zambian bicolor tourmaline 6.536ct loose stone
Sale price¥128,000
Purple Diamond 0.070ct Loose (FANCY VIVID PINK PURPLE, I-1)
Sale price¥188,000
Paraiba Tourmaline from Mozambique 2.037ct loose stone with gem analysis
Sale price¥498,000
Colombian pyrite in emerald 4.592ct loose
Sale price¥110,000
Bicolor tourmaline 22.088ct loose
Sale price¥298,000
Silky pink sapphire from Madagascar, 1.050ct loose, GIT
Sale price¥128,000
Tanzanian Wurtzite 0.567ct Loose Stone, Japan-Germany Exchange
Sale price¥198,000
Bicolor tourmaline 5.825ct loose
Sale price¥128,000
Rhodochrosite 1.884ct loose from Detroit City, USA
Sale price¥188,000
Parasite Peridot (Paracytic Peridot) 0.541ct Loose Japanese-German Edition
Sale price¥256,000
Bicolor Benitoite 0.194ct loose (square cut)
Sale price¥128,000
Colombian pyrite in emerald 7.836ct loose
Sale price¥398,000
American Benitoite 0.185ct Loose Stone
Sale price¥128,000
Tanzanian kornerupine (total 1.151ct) 9-stone half eternity ring set (3.0mm)
Sale price¥128,000
Tanzanian kornerupine (total 1.103ct) 9-stone half eternity ring set (3.0mm)
Sale price¥118,000
Russian Demantoid Garnet (Horsetail) 0.487ct Loose Stone
Sale price¥110,000
Brazilian Aquamarine 8.858ct Loose Stone
Sale price¥198,000
[Posted 12543723] Hemimorphite 64.144ct loose
Sale price¥198,000
Green Zoisite 3.617ct loose
Sale price¥118,000
Pink zoisite from Tanzania 6.7mm/1.393ct loose (peach tanzanite)
Sale price¥128,000
Brazilian Paraiba tourmaline 0.275ct loose (CuO:1.5%.MnO:2.3%)
Sale price¥398,000
Pt950 Myanmar gray spinel (platinum spinel) 5.5mm/0.685ct black diamond ring
Sale price¥128,000
Colombian Euclase 548.00ct rough stone
Sale price¥198,000
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.