Tanzanian bicolor sapphire 0.152ct loose stone
Sale price¥6,980
Vietnam Aquamarine 5.1mm/0.410ct Loose Stone
Sale price¥6,980
Vietnam Aquamarine 5.1mm/0.457ct Loose Stone
Sale price¥6,980
Brazilian Green Tourmaline 0.182ct Loose Stone
Sale price¥8,800
Italian Leucite 0.374ct loose stone (play of color)
Sale price¥14,800
Namibian Dioptase 0.134ct Loose Stone, Japan-Germany Mirror
Sale price¥59,800
Italian Leucite 0.338ct loose stone (play of color)
Sale price¥15,800
Brazilian Euclase 0.213ct loose stone (bicolor Euclase)
Sale price¥15,800
American Benitoite 4.8mm/0.396ct Loose Stone by Nikkei
Sale price¥298,000
American Bicolor Benitoite 0.358ct Loose Stone by Nikkei
Sale price¥298,000
Namibian Jeremejevite 0.307ct loose stone by Nikkei
Sale price¥22,800
Malawi Sapphire 3mm/0.131ct Loose
Sale price¥15,800
Italian Leucite 0.346ct loose stone (play of color)
Sale price¥12,800
Myanmar Podretteite 0.238ct loose stone Nissaiho
Sale price¥35,800
Myanmar Ubaite Tourmaline 4.0mm/0.251ct Loose Stone
Sale price¥22,800
Madagascar Yellow Sapphire 0.283ct Loose
Sale price¥6,980
Madagascar sapphire 0.162ct loose stone
Sale price¥5,980
Madagascar sapphire 0.377ct loose stone
Sale price¥12,800
Tanzania Green Apatite 0.246ct Loose Stone
Sale price¥8,800
Tanzania Green Apatite 0.190ct Loose Stone
Sale price¥6,980
Tanzania Green Apatite 0.329ct Loose Stone
Sale price¥8,800
Emerald 0.308ct loose stone
Sale price¥14,800
Greenland Tugtupite 0.140ct loose stone
Sale price¥15,800
Colombian oil-free emerald 0.290ct loose stone GIA
Sale price¥198,000
Paraiba tourmaline from Brazil 0.154ct loose
Sale price¥29,800
Brazilian Euclase 0.289ct loose stone
Sale price¥12,800
Brazilian Euclase 0.263ct Loose Stone (Colorless Euclase)
Sale price¥9,800
Tanzanian Lavender Tanzanite 0.498ct Loose Stone
Sale price¥14,800
Tanzanian Lavender Tanzanite 0.382ct Loose Stone
Sale price¥12,800
Synthetic Alexandrite 0.287ct loose stone
Sale price¥8,800
Synthetic Alexandrite 0.471ct loose stone
Sale price¥14,800
Brazilian Pink Tourmaline 0.418ct Loose Stone (Rouge Cut)
Sale price¥9,800
Myanmar Pink Taaffeite 0.340ct Loose GIT
Sale price¥39,800
Brazilian Paraiba Tourmaline 0.360ct Loose GIA
Sale price¥298,000
Blue sapphire 0.231ct loose
Sale price¥9,800
Sri Lankan Yellow Sapphire 0.349ct Loose
Sale price¥12,800
Sri Lankan Yellow Sapphire 0.406ct Loose
Sale price¥9,800
Brazilian Green Tourmaline 0.376ct Loose Stone
Sale price¥9,800
Brazilian Green Tourmaline 0.332ct Loose Stone
Sale price¥9,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 0.344ct Loose Stone
Sale price¥12,800
Tanzania Bicolor Zoisite 4.6mm/0.489ct Loose Stone
Sale price¥12,800
Tanzanite from Tanzania 0.497ct loose stone
Sale price¥12,800
Tanzania Bicolor Zoisite 4.7mm/0.486ct Loose Stone
Sale price¥12,800
Canary Yellow Tourmaline from Mozambique 0.190ct loose stone
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.