0.229 ct Loose Red Spinel from Myanmar with Certificate
Sale price¥45,800
Malawi Moonstone (Malawi) 1.651ct Loose
Sale price¥8,800
Malawi Moonstone 1.948ct Loose Gemstone
Sale price¥8,800
Malawi Moonstone 1.747ct Loose
Sale price¥8,800
0.191ct Colombian emerald loose stone, Hōki-kyō
Sale price¥45,800
0.809ct Loose Bicolor Grossular Garnet from Kenya
Sale price¥25,800
USA Origin Oregon Sunstone 7.1mm/1.397ct Loose Stone
Sale price¥39,800
Sphalerite from Bulgaria 7.0mm/1.790ct Loose Stone
Sale price¥59,800
Loose Oregon Sunstone from the USA, 7.0mm/1.224ct
Sale price¥28,800
Oregon Sunstone from the USA, 8.1mm/1.840ct Loose Stone
Sale price¥39,800
Brazilian Dumortierite in Quartz 1.684ct Loose Gemstone
Sale price¥12,800
[Listing No. 12563397] Brazilian Alexandrite 0.217 ct Loose Stone
Sale price¥39,800
[Listed 12563403] Petzottaite from Madagascar 0.200ct Loose
Sale price¥29,800
[Listed as 12563264] Rough Russian Diamond (Sawable) 0.124ct
Sale price¥39,800
[Listing 12563380] Unset 1.077ct Tanzanian Zircon
Sale price¥12,800
[Posted on 12563395] Tanzanian Pink Spinel 0.148ct Loose Gemstone
Sale price¥22,800
[Listed as 12562693] Malawi Bicolor Zircon 1.434ct Loose
Sale price¥79,800
Bicolor Grossular Garnet from Tanzania 0.839ct Loose
Sale price¥19,800
Tanzanian Bicolor Grossular Garnet 0.934ct Loose
Sale price¥24,800
Bicolor Grossular Garnet from Tanzania 0.779ct Loose Stone
Sale price¥19,800
Bicolor Grossular Garnet from Tanzania 0.602ct Loose Stone
Sale price¥16,800
Tanzanian Bicolor Grossular Garnet 0.787ct Loose Stone
Sale price¥19,800
Tanzanian Bi-Color Grossular Garnet 0.882ct Loose Stone
Sale price¥22,800
Tanzanian Bicolor Grossular Garnet 0.544ct Loose Gemstone
Sale price¥14,800
Bicolor Grossular Garnet from Tanzania 0.855ct Loose Stone
Sale price¥18,800
Tanzanian Bicolor Grossular Garnet 0.586ct Loose Stone
Sale price¥14,800
Jeremejevite from Namibia 0.103ct Loose Stone with Certificate
Sale price¥25,800
0.416ct Loose Mozambique Ruby with Gemstone Identification Report
Sale price¥29,800
Brazilian Dumortierite in Quartz 1.290ct Loose
Sale price¥12,800
Dumortierite in quartz from Brazil 7.3mm/1.729ct loose stone
Sale price¥12,800
Synthetic Rutile 4.3mm/0.447ct Loose
Sale price¥12,800
Sri Lankan orange sapphire 0.654ct loose with certificate
Sale price¥29,800
Sri Lankan Yellow Sapphire 0.815ct Loose Stone with Appraisal
Sale price¥15,800
0.333ct Loose Mahenge (Pink) Spinel from Tanzania with Certificate
Sale price¥29,800
0.147ct Loose Colombian Emerald with Gemological Report
Sale price¥12,800
Colombian Emerald 3.3mm/0.167ct Loose Stone with Appraisal
Sale price¥24,800
Columbia Emerald 3.3mm/0.158ct Loose Gemstone with Certificate
Sale price¥18,800
Kochi Prefecture oxblood coral 1.593ct loose
Sale price¥9,800
Kochi Prefecture Blood Coral 1.585ct Loose Gemstone
Sale price¥9,800
Malawi Moonstone 1.748ct Loose Gemstone
Sale price¥9,800
Malawi Moonstone 1.626ct Loose
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.