Brazilian bicolor tourmaline 0.572ct loose stone (rose cut)
Sale price¥14,800
Namibian Jeremejevite 0.066ct loose stone with certificate
Sale price¥18,800
Colombian Euclase 0.817ct loose stone
Sale price¥29,800
Colombian Euclase 1.344ct loose stone
Sale price¥26,800
Tanzanite from Tanzania 0.520ct loose stone
Sale price¥12,800
Ethiopian Sunstone 1.045ct Loose
Sale price¥15,800
Nigerian Morganite 2.745ct loose stone
Sale price¥12,800
Madagascar Iolite 3.129ct loose stone
Sale price¥39,800
Santa Maria Aquamarine 1.265ct Loose Stone
Sale price¥18,800
Ethiopian Sunstone 0.661ct Loose
Sale price¥9,800
Pyrope Almandine Garnet 1.112ct Loose Stone
Sale price¥12,800
Madagascar Apatite 2.020ct Loose
Sale price¥15,800
Orange spinel 0.225ct loose stone
Sale price¥12,800
Vietnam Aquamarine 0.585ct Loose
Sale price¥12,800
Brazilian Rhodonite 2.316ct loose stone
Sale price¥39,800
Oregon Sunstone from the United States 1.951ct loose stone
Sale price¥12,800
Pakistani Lazurite (Azurite) 0.290ct loose stone
Sale price¥98,000
Colombian trapiche emerald (reverse trapiche) 0.178ct rough stone
Sale price¥15,800
Labradorite from Finland 62.409ct Ruth (Spectrolite)
Sale price¥19,800
Myanmar Red Spinel 0.182ct Loose
Sale price¥8,800
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
Brazilian Swiss Blue Topaz 1.042ct Loose Stone
Sale price¥9,800
Brazilian Swiss Blue Topaz 0.983ct Loose Stone
Sale price¥8,800
Brazilian Swiss Blue Topaz 0.890ct Loose
Sale price¥8,800
Brazilian Swiss Blue Topaz 0.827ct Loose Stone
Sale price¥8,800
Brazilian Swiss Blue Topaz 0.724ct Loose Stone
Sale price¥8,800
Yellow Diamond (Cabochon Cut) 0.237ct Loose
Sale price¥35,800
Brazilian bicolor tourmaline 13.927ct loose stone
Sale price¥198,000
Cinnabar rough stone (38.1 x 28.8 x 22.4 mm)
Sale price¥98,000
Phosphophyllite rough stone (59.5 x 35.9 x 36 mm)
Sale price¥298,000
Spanish Sphalerite 12.5mm/9.860ct Loose Stone
Sale price¥98,000
[Takeshi Yamamoto] Brazilian Rock Crystal 12.725ct Loose
Sale price¥39,800
[7/5 22:00 Fireworks] Colombian Euclase 1.408ct Loose Stone
Sale price¥24,800
Sri Lankan saffron 0.517ct loose stone, Japan-German
Sale price¥59,800
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.