Madagascar sphene 0.430ct loose stone
Sale price¥8,800
Madagascar Green Apatite 0.531ct Loose Stone
Sale price¥6,980
Spanish Sphalerite 0.941ct loose stone
Sale price¥5,980
Australian Prehnite 5.4mm/0.475ct loose stone
Sale price¥6,980
Sillimanite from Sri Lanka 0.183ct loose stone
Sale price¥6,980
Mozambique Almandine Garnet 1.052ct Loose Stone
Sale price¥12,800
Colombian Euclase 1.157ct loose stone
Sale price¥69,800
Colombian Euclase 0.315ct loose stone
Sale price¥39,800
Sillimanite from Sri Lanka 0.372ct loose stone
Sale price¥7,980
Sillimanite from Sri Lanka 0.409ct loose stone
Sale price¥7,980
Sillimanite from Sri Lanka 0.185ct loose stone
Sale price¥7,980
Sillimanite from Sri Lanka 0.186ct loose stone
Sale price¥7,980
Sillimanite from Sri Lanka 0.376ct loose stone
Sale price¥9,800
Brazilian Green Tourmaline 0.457ct Loose Stone
Sale price¥15,800
Brazilian Tourmaline 0.615ct Loose Stone
Sale price¥9,800
Tanzanite from Tanzania 0.609ct loose stone
Sale price¥15,800
Sri Lankan Blue Sapphire 0.344ct Loose
Sale price¥12,800
Sri Lankan Yellow Sapphire 0.282ct Loose
Sale price¥12,800
Brazilian bicolor tourmaline 0.502ct loose stone
Sale price¥9,800
Silky pink sapphire from Madagascar 0.445ct loose stone
Sale price¥12,800
Tanzanian Rhodolite Garnet 0.649ct Loose Stone
Sale price¥8,800
Synthetic Moissanite 5.9mm/0.648ct Loose Stone
Sale price¥9,800
Synthetic Moissanite 5.9mm/0.651ct Loose Stone
Sale price¥9,800
Mexican Hyalite Opal 6.0mm/0.676ct Loose Stone
Sale price¥15,800
Mexican Hyalite Opal 5.0mm/0.449ct Loose Stone
Sale price¥9,800
Brazilian Euclase (Bicolor Euclase) 0.302ct Loose Stone
Sale price¥49,800
Brazilian Euclase 0.492ct Loose Stone (Bicolor Euclase)
Sale price¥29,800
Brazilian Petalite 0.615ct loose stone
Sale price¥6,980
Madagascar Purple Sapphire 0.429ct Loose
Sale price¥12,800
Blue beryl (Macis beryl) 0.199ct loose stone
Sale price¥9,800
Madagascar Purple Sapphire 0.433ct Loose Stone
Sale price¥14,800
Brazilian Blue Tourmaline 0.650ct Loose
Sale price¥9,800
Myanmar pink spinel 0.344ct loose stone
Sale price¥8,800
Brazilian Green Tourmaline 0.703ct Loose Stone
Sale price¥15,800
Brazilian bicolor tourmaline 0.675ct loose stone
Sale price¥9,800
Kyanite 1.042ct loose (commonly known as Paraiba color kyanite)
Sale price¥8,800
Sri Lankan White Sapphire 0.385ct Loose
Sale price¥14,800
Bicolor tourmaline 0.840ct loose
Sale price¥22,800
Brazilian Bicolor Pink Euclase 0.236ct Loose Stone, Japan-Germany
Sale price¥128,000
Tourmaline 0.541ct loose stone
Sale price¥8,800
Brazilian bicolor tourmaline 0.326ct loose stone
Sale price¥8,800
Brazilian Green Tourmaline 0.350ct Loose
Sale price¥9,800
Brazilian bicolor euclase 0.239ct loose stone
Sale price¥18,800
Brazilian bicolor euclase 0.572ct loose stone
Sale price¥24,800
[Koshu Precious Stone Cutting Pluethree] Yellow Beryl 0.880ct Loose
Sale price¥29,800
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.365ct Loose Stone
Sale price¥18,800
Tanzania Pink Zoisite 5.8mm/0.848ct Loose Stone
Sale price¥198,000
Madagascar Grandidierite 0.521ct loose stone
Sale price¥128,000
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.