Silky pink spinel from Mozambique 0.610ct loose
Sale price¥18,800
Paracytic peridot 0.536ct loose
Sale price¥188,000
1.008ct Tanzanian orange zircon loose stone
Sale price¥9,800
South African rough diamond (sawable) 0.105ct rough (with trigon)
Sale price¥39,800
[12554117] Brazilian Alexandrite 0.058ct loose stone
Sale price¥14,800
Brazilian Paraiba Tourmaline 0.039ct Loose Stone (CuO: 2.0%, MnO: 2.3%)
Sale price¥45,800
Brazilian bicolor tourmaline 0.258ct loose stone
Sale price¥8,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 1.490ct Loose (Faceted)
Sale price¥35,800
Myanmar pink spinel 0.291ct loose stone
Sale price¥6,980
Myanmar Pink Spinel 0.650ct Loose
Sale price¥16,800
Bicolor tourmaline 0.435ct loose (rose cut)
Sale price¥5,980
Bicolor tourmaline 0.591ct loose (rose cut)
Sale price¥8,980
Bicolor pink star sapphire from Mogok 0.360ct loose
Sale price¥24,800
Tanzanian Almandine Garnet 2.992ct Loose Stone, Japan-Germany Exchange
Sale price¥15,800
Prehnite 3.874ct loose
Sale price¥3,980
[Camellia cut] Mexican fire opal 1.270ct loose with patch
Sale price¥98,000
Playnight 3.085ct loose
Sale price¥3,980
Prehnite 3.870ct loose
Sale price¥3,980
Brazilian alexandrite 0.060ct loose
Sale price¥14,800
Benitoite 2.7mm/0.114ct loose
Sale price¥25,800
Russian demantoid garnet (horsetail recognized) 0.291ct loose
Sale price¥49,800
[Posted 32501454] Pink Diamond 0.051ct Loose (FANCY LIGHT PINK, SI-2)
Sale price¥39,800
Red spinel 0.195ct loose
Sale price¥5,980
Malawi Bicolor Zircon 1.661ct Loose Stone
Sale price¥59,800
Set of 2 rutile stones, 6.213ct (rough stone + loose stone)
Sale price¥59,800
American Benitoite 2.2mm/0.270ct Loose Stone (Gradation Set)
Sale price¥69,800
Zimbabwean Bicolor Euclase 0.146ct Loose Stone
Sale price¥35,800
South African Sugilite 5.2mm/0.434ct Loose Stone (Rose Cut)
Sale price¥18,800
Zimbabwean sphene 0.665ct loose stone
Sale price¥12,800
Blue sapphire 0.291ct loose stone
Sale price¥18,800
Mongolian Bicolor Andesine 0.944ct Loose Stone
Sale price¥15,800
Zimbabwean sphene 1.170ct loose stone
Sale price¥22,800
Zimbabwean sphene 0.751ct loose stone
Sale price¥16,800
Australian boulder opal 9.120ct loose
Sale price¥98,000
Blue zircon 3.283ct loose
Sale price¥75,800
Sphene from Madagascar 0.765ct loose
Sale price¥15,800
Benitoite 0.095ct loose
Sale price¥18,800
Italian leucite 0.359ct loose
Sale price¥12,800
Australian boulder opal 28.880ct loose
Sale price¥59,800
Australian boulder opal 1.868ct loose
Sale price¥18,800
Australian boulder opal 1.675ct loose
Sale price¥14,800
Brazilian Blue Topaz Cat's Eye 2.631ct Loose Stone
Sale price¥9,800
Bicolor sapphire 1.030ct loose from Windsor, Tanzania
Sale price¥89,800
Aquamarine 1.574ct loose stone
Sale price¥9,800
Brazilian Aquamarine 8.858ct Loose 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.