Pink zoisite from Tanzania 6.7mm/1.393ct loose (peach tanzanite)
Sale price¥128,000
Bicolor tanzanite 1.165ct rough stone from Tanzania
Sale price¥7,980
Bicolor tanzanite 1.121ct rough stone from Tanzania
Sale price¥6,980
Bicolor tanzanite 0.492ct raw stone from Tanzania
Sale price¥6,980
[Rouge Cut] Brazilian Bicolor Tourmaline 0.578ct Loose
Sale price¥9,800
[Cat Cut] Brazilian Dendritic Quartz 6.775ct Loose
Sale price¥15,800
[Rouge Cut] Brazilian Dumortierite in Quartz 1.184ct Loose Stone
Sale price¥14,800
[Rouge Cut] Brazilian Dumortierite in Quartz 1.493ct Loose Stone
Sale price¥9,800
Brazilian Paraiba tourmaline 0.275ct loose (CuO:1.5%.MnO:2.3%)
Sale price¥398,000
[Posted 32501454] Pink Diamond 0.051ct Loose (FANCY LIGHT PINK, SI-2)
Sale price¥39,800
Russian demantoid garnet (horsetail recognized) 0.291ct loose
Sale price¥49,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 1.490ct Loose (Faceted)
Sale price¥35,800
Brazilian bicolor tourmaline 0.258ct loose stone
Sale price¥8,800
Brazilian Paraiba Tourmaline 0.039ct Loose Stone (CuO: 2.0%, MnO: 2.3%)
Sale price¥45,800
South African rough diamond (sawable) 0.105ct rough (with trigon)
Sale price¥39,800
Brazilian Swiss Blue Topaz 1.065ct Loose Stone
Sale price¥11,000
Brazilian Indicolite Tourmaline 4.0mm/0.240ct Loose Stone with Appraisal
Sale price¥29,800
Brazilian Indigolite Tourmaline 0.609ct Loose Stone JTL
Sale price¥25,800
Brazilian Imperial Topaz 0.563ct Loose Stone
Sale price¥15,800
Brazilian Blue Topaz Cat's Eye 2.631ct Loose Stone
Sale price¥9,800
Paraiba tourmaline from Mozambique 0.154ct loose stone
Sale price¥19,800
Pt950 Myanmar gray spinel (platinum spinel) 5.5mm/0.685ct black diamond ring
Sale price¥128,000
Particolor tourmaline 24.147ct loose
Sale price¥49,800
Diamond 0.618ct loose (I, I1, tree cut)
Sale price¥128,000
Paraiba tourmaline from Mozambique, 3.5mm/0.172ct loose stone
Sale price¥15,800
Paraiba tourmaline from Mozambique, 3.2mm/0.119ct loose stone
Sale price¥9,800
Brazilian pink tourmaline 0.234ct loose stone
Sale price¥8,800
Congo Pink Tourmaline 6.0mm/0.825ct Loose Stone
Sale price¥29,800
Congo Pink Tourmaline 5.9mm/0.798ct Loose Stone
Sale price¥25,800
Congo Pink Tourmaline 5.0mm/0.463ct Loose Stone
Sale price¥24,800
Brazilian mint color tourmaline 0.145ct loose stone
Sale price¥8,800
Brazilian green tourmaline 0.194ct loose stone
Sale price¥12,800
Brazilian green tourmaline 0.755ct loose stone
Sale price¥18,800
Illusion Tourmaline (Iridescent Tourmaline) 1.356ct Loose Stone
Sale price¥39,800
Brazilian Dumortierite in Quartz 1.911ct Loose Stone
Sale price¥8,800
Brazilian Dumortierite in Quartz 1.451ct Loose Stone
Sale price¥8,800
Brazilian Dumortierite in Quartz 0.978ct Loose Stone
Sale price¥12,800
Brazilian Bicolor Imperial Topaz 0.981ct Loose Stone
Sale price¥79,800
Tanzanite 41.690ct loose
Sale price¥2,480,000
Brazilian Pink Imperial Topaz 2.794ct Loose Japanese-German Edition
Sale price¥128,000
Brazilian Paraiba tourmaline 0.455ct raw stone (CuO: 0.9%, MnO: 2.2%)
Sale price¥15,800
Brazilian Paraiba tourmaline 0.448ct raw stone (CuO:2.7%, MnO:2.0%)
Sale price¥19,800
[12559903] 2.991ct Brazilian Imperial Topaz Loose Stone
Sale price¥158,000
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.