Madagascar sphene 1.146ct loose stone
Sale price¥29,800
Madagascar sphene 0.569ct loose stone
Sale price¥8,800
Almandine Garnet 0.814ct Loose Stone
Sale price¥9,800
Mozambique pink spinel 0.670ct loose stone
Sale price¥29,800
Purple spinel 0.403ct loose stone
Sale price¥5,980
Pink tourmaline 1.157ct loose stone
Sale price¥18,800
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.352ct Loose Stone
Sale price¥39,800
Myanmar Purple Spinel 0.650ct Loose
Sale price¥12,800
Mozambique Aquamarine 0.292ct Loose Stone
Sale price¥6,980
Mozambique Aquamarine 0.337ct Loose Stone
Sale price¥6,980
American Peridot 0.339ct Loose Stone
Sale price¥6,980
American Peridot 0.528ct Loose Stone
Sale price¥8,800
Colombian Trapiche Emerald 0.422ct Loose
Sale price¥22,800
Bicolor Zoisite 0.823ct rough stone
Sale price¥8,800
Sri Lankan Cobalt Spinel 0.676ct Loose Stone (Blue Spinel) Nikkei
Sale price¥79,800
Pink diaspore 0.351ct loose stone
Sale price¥9,800
Aquamarine 0.327ct loose stone
Sale price¥9,800
Yellow sapphire 0.287ct loose stone
Sale price¥9,800
Yellow sapphire 0.229ct loose stone
Sale price¥9,800
Almandine Garnet 1.255ct Loose Stone
Sale price¥14,800
Vietnam unheated silky pink sapphire 0.580ct loose stone
Sale price¥18,800
Colombian emerald 0.512ct loose stone (silky type)
Sale price¥14,800
Tanzanian Chrome Tourmaline 0.522ct Loose Stone
Sale price¥5,980
Afghanite from Afghanistan 0.617ct loose stone
Sale price¥69,800
Chrysoberyl cat's eye 1.088ct loose stone
Sale price¥8,800
Colombian Trapiche Emerald 0.317ct Rough Stone
Sale price¥19,800
Colombian Trapiche emerald 0.418ct rough stone
Sale price¥39,800
Madagascar Bicolor Sphene 1.551ct Loose Stone
Sale price¥19,800
Australian black opal 0.407ct loose stone
Sale price¥8,800
Non-Oil Emerald 0.555ct Loose Stone by Nikkei
Sale price¥288,000
Sri Lankan Star Sapphire 1.339ct Loose
Sale price¥15,800
Tanzanite 1.004ct loose stone
Sale price¥22,800
Tanzanite 4.8mm/0.494ct loose stone
Sale price¥15,800
Lavender Tanzanite 0.784ct loose stone
Sale price¥14,800
Namibian Hemimorphite 0.697ct Loose Stone
Sale price¥8,800
Zimbabwean Blue Apatite (UV Type) 0.539ct Loose
Sale price¥9,800
Zimbabwean Blue Apatite (UV type) 0.703ct loose stone
Sale price¥11,000
Australian Opal 0.315ct Loose
Sale price¥5,980
Nigerian Star Enstatite 0.880ct Loose Stone
Sale price¥14,800
Golden Iolite (Cordierite) 0.321ct loose stone
Sale price¥12,800
Brazilian Imperial Topaz 0.746ct Loose
Sale price¥18,800
Brazilian Imperial Topaz 0.413ct Loose Stone
Sale price¥11,000
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.