Bicolor tourmaline 0.591ct loose (rose cut)
Sale price¥8,980
YAG (yttrium aluminum garnet) 1.792ct loose
Sale price¥12,800
Myanmar pink spinel 0.291ct loose stone
Sale price¥6,980
Prehnite 3.874ct loose
Sale price¥3,980
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
Myanmar Pink Spinel 0.650ct Loose
Sale price¥16,800
Brazilian Paraiba tourmaline 0.275ct loose (CuO:1.5%.MnO:2.3%)
Sale price¥398,000
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 1.675ct loose
Sale price¥14,800
Australian boulder opal 1.868ct loose
Sale price¥18,800
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
Zimbabwean Bicolor Euclase 0.146ct Loose Stone
Sale price¥35,800
Vietnamese aquamarine 1.728ct loose stone
Sale price¥18,800
[Rouge Cut] Brazilian Dumortierite in Quartz 1.493ct Loose Stone
Sale price¥9,800
[Rouge Cut] Brazilian Dumortierite in Quartz 1.184ct Loose Stone
Sale price¥14,800
Zimbabwean sphene 0.726ct loose stone
Sale price¥14,800
Zimbabwean sphene 0.704ct loose stone
Sale price¥14,800
Zimbabwean sphene 0.978ct loose stone
Sale price¥18,800
Zimbabwean sphene 0.987ct loose stone
Sale price¥19,800
Cambodian Blue Zircon (Ratanakiri Blue) 2.822ct Loose Stone
Sale price¥98,000
Mozambique Almandine Garnet 7.7mm/1.781ct Loose Stone
Sale price¥18,800
Mozambique Almandine Garnet 1.652ct Loose Stone
Sale price¥15,800
Mozambique Almandine Garnet 2.959ct Loose Stone
Sale price¥19,800
Brazilian Rubellite 4.078ct Loose Stone
Sale price¥98,000
Rouge Cut Almandine Garnet from Mozambique, 5.841ct Loose
Sale price¥14,800
Rouge Cut Almandine Garnet from Mozambique, 5.952ct Loose
Sale price¥15,800
[Cat Cut] Brazilian Dendritic Quartz 6.775ct Loose
Sale price¥15,800
[Rouge Cut] Brazilian Bicolor Tourmaline 0.578ct Loose
Sale price¥9,800
Australian Prehnite 0.707ct loose stone
Sale price¥6,980
Golden Iolite (Cordierite) from Madagascar 0.193ct loose stone
Sale price¥8,800
0.597ct Green Apatite Loose Stone from Madagascar
Sale price¥6,980
Brazilian Lavender Quartz (Scorolite) 0.797ct Loose Stone
Sale price¥7,980
Afghanistan Hackmanite 0.121ct loose stone
Sale price¥6,980
Afghanistan Hackmanite 0.134ct loose stone
Sale price¥6,980
Mexican Cantera Opal 1.120ct Loose
Sale price¥8,800
Tanzanian purple sapphire 0.355ct loose stone
Sale price¥9,800
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.