Brazilian bicolor tourmaline 13.927ct loose stone
Sale price¥198,000
Yellow Diamond (Cabochon Cut) 0.237ct Loose
Sale price¥35,800
Yellow Diamond (Cabochon Cut) 0.324ct Loose
Sale price¥39,800
Yellow Diamond (Cabochon Cut) 0.176ct Loose
Sale price¥29,800
Labradorite from Finland 62.409ct Ruth (Spectrolite)
Sale price¥19,800
Colombian trapiche emerald (reverse trapiche) 0.178ct rough stone
Sale price¥15,800
Brazilian bicolor tourmaline 0.572ct loose stone (rose cut)
Sale price¥14,800
Brazilian Bicolor Tourmaline 0.901ct Loose Stone (Rose Cut)
Sale price¥12,800
[Dandelion Cut] YAG (Yttrium Aluminum Garnet) 9mm/4.121ct Loose Patch
Sale price¥39,800
Mexican Fire Agate 1.229ct Loose Stone (Cabochon Cut)
Sale price¥12,800
Congo Malachite 34.667ct Loose Patch
Sale price¥6,980
Zircon Cat's Eye from Sri Lanka 2.087ct Ruth Japanese-German Edition
Sale price¥39,800
Pezzotite from Madagascar 0.257ct loose
Sale price¥15,800
Myanmar Red Spinel 3.5mm/0.182ct Loose Stone
Sale price¥8,800
Brazilian chlorite in quartz 27.725ct loose stone
Sale price¥19,800
Madagascar Apatite 1.125ct Loose Stone
Sale price¥8,800
Brazilian bicolor tourmaline 1.032ct loose stone
Sale price¥25,800
Madagascar Apatite 0.961ct Loose Stone
Sale price¥6,980
Oregon Sunstone from the United States 8.0mm/1.835ct loose stone
Sale price¥22,800
Brazilian bicolor tourmaline 1.875ct loose stone
Sale price¥39,800
Brazilian bicolor tourmaline 1.255ct loose stone
Sale price¥25,800
Brazilian pink tourmaline 0.781ct loose stone
Sale price¥9,800
Brazilian pink tourmaline 0.918ct loose stone
Sale price¥9,800
Brazilian Pink Tourmaline 1.045ct Loose Stone
Sale price¥9,800
Mexican Fire Opal 1.348ct Loose
Sale price¥15,800
Zimbabwe Bicolor Euclase 3.5mm/0.192ct Loose Stone
Sale price¥39,800
Zimbabwe Bicolor Euclase 3.0mm/0.108ct Loose Stone
Sale price¥22,800
Bicolor sapphire 0.301ct loose
Sale price¥18,800
[On sale 7/3 at 22:00] Madagascar bicolor sapphire 0.232ct loose stone
Sale price¥15,800
[On sale 7/3 at 22:00] Madagascar bicolor sapphire 0.188ct loose stone
Sale price¥12,800
[On sale 7/3 at 10pm] Madagascar sphene 1.079ct loose stone
Sale price¥19,800
[On sale 7/3 at 10pm] Madagascar sphene 0.602ct loose stone
Sale price¥9,800
[On sale 7/3 at 10pm] Madagascar sphene 0.556ct loose stone
Sale price¥9,800
[On sale 7/3 at 10pm] Madagascar sphene 0.531ct loose stone
Sale price¥8,800
Namibian Jeremejevite 0.055ct loose stone with certificate
Sale price¥15,800
Namibian Jeremejevite 0.066ct loose stone with certificate
Sale price¥18,800
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.
業界発展のための後進育成や事業協力、宝石の国スリランカの子どもたちへの支援活動など、KARATZの取り組みについてご紹介いたします。
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.