Russian demantoid garnet cat's eye (horsetail recognized) 0.171ct loose
Sale price¥15,800
Russian demantoid garnet cat's eye (horsetail recognized) 0.222ct loose
Sale price¥18,800
Kenyan gold sheen sapphire 2.3mm/0.083ct loose
Sale price¥8,800
Taaffeite from Myanmar 0.580ct Ruth Japanese German edition
Sale price¥39,800
Celestite from Madagascar 7.080ct loose Japanese and German
Sale price¥98,000
Musgravite from Myanmar 0.546ct loose Japanese German edition
Sale price¥98,000
Vietnamese aquamarine 1.728ct loose stone
Sale price¥18,800
Set of 2 rutile stones, 6.213ct (rough stone + loose stone)
Sale price¥59,800
Sri Lankan white sapphire 2.9mm/0.086ct loose (rose cut)
Sale price¥3,980
Sphene from Madagascar 0.765ct loose
Sale price¥15,800
Bicolor pink star sapphire from Mogok 0.360ct loose
Sale price¥24,800
Silky pink spinel from Mozambique 0.610ct loose
Sale price¥18,800
Bicolor star sapphire from Myanmar 1.190ct loose (pink sapphire)
Sale price¥25,800
Sierra Leone sapphire 1.210ct loose
Sale price¥7,980
Sierra Leone sapphire 1.470ct loose
Sale price¥9,800
Hackmanite 0.506ct loose
Sale price¥45,800
Green sapphire 7.545ct loose (spade cut)
Sale price¥59,800
Paudlettite 0.375ct loose Japanese-German book
Sale price¥298,000
Bicolor tourmaline 3.277ct loose
Sale price¥9,800
Aquamarine 15mm/10.190ct loose
Sale price¥69,800
Color change Andesine 1.67ct loose
Sale price¥25,800
Afghanite 0.496ct loose Japanese-German book
Sale price¥9,800
Paraiba tourmaline from Brazil 0.066ct loose (CuO:1.7%,Mn0:2.1%)
Sale price¥29,800
Color change Andesine 2.311ct loose
Sale price¥25,800
Bicolor apatite 15.507ct loose
Sale price¥98,000
Kunzite from Afghanistan 21.5mm/39.372ct loose stone
Sale price¥98,000
Taaffeite from Myanmar 0.805ct loose Japanese-German edition
Sale price¥45,800
Rubellite from Mozambique 0.748ct loose
Sale price¥9,800
Madagascar Grandidierite 0.156ct loose stone
Sale price¥35,800
Mongolian color change andesine 0.749ct loose stone
Sale price¥12,800
Mongolian color change andesine 0.665ct loose stone
Sale price¥12,800
Kenyan gold sheen sapphire 2.3mm/0.083ct loose
Sale price¥8,800
Kenyan gold sheen sapphire 0.257ct loose
Sale price¥19,800
Namibian Jeremejevite 0.055ct loose stone
Sale price¥5,980
Namibian Jeremejevite 2.8mm/0.094ct loose stone
Sale price¥5,980
Mongolian color change andesine 1.486ct loose stone
Sale price¥18,800
Nigerian Blue Garnite 0.794ct Loose Stone, Japan-Germany Exchange
Sale price¥79,800
Kenyan gold sheen sapphire 2.3mm/0.079ct loose
Sale price¥6,980
Kenyan Gold Sheen Sapphire 2.2mm/0.080ct Loose
Sale price¥8,800
Kenyan gold sheen sapphire 2.4mm/0.086ct loose
Sale price¥9,800
Kenyan Gold Sheen Sapphire 2.4mm/0.092ct Loose Stone
Sale price¥8,800
Congo Andesine 18.643ct Loose Stone Japan-Germany Exchange
Sale price¥69,800
Tanzanian bicolor tanzanite 4.804ct rough stone
Sale price¥18,800
Brazilian bicolor tourmaline 1.953ct loose stone
Sale price¥18,800
Afghanite 0.447ct loose stone from Afghanistan, Japan-Germany
Sale price¥8,800
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.