Brazilian Rainbow Aquamarine (Iridescent Aquamarine) 1.439ct Loose Stone
Sale price¥12,800
Unheated blue sapphire from Madagascar 1.310ct loose GIA
Sale price¥89,800
Cambodian orange zircon 1.519ct loose stone
Sale price¥9,800
Cambodian orange zircon 1.320ct loose stone
Sale price¥9,800
Cambodian orange zircon 1.249ct loose stone
Sale price¥9,800
Brazilian Madeira Citrine 6.8mm/1.150ct Loose Stone
Sale price¥4,980
[Koshu Precious Stone Cutting] Mexican Fire Opal 1.571ct Loose Patch
Sale price¥69,800
Dominican Republic Conch Pearl (with flame pattern) 1.560ct loose
Sale price¥25,800
Tanzanian Sunstone Scapolite 1.780ct Loose
Sale price¥12,800
Sri Lankan Star Sapphire 1.028ct Loose
Sale price¥8,800
Mexican Cantera Opal 1.209ct Loose Stone (Rose Cut)
Sale price¥12,800
Mexican Cantera Opal 1.394ct Loose Stone (Rose Cut)
Sale price¥12,800
Mexican Cantera Opal 1.383ct Loose Stone (Rose Cut)
Sale price¥12,800
Mexican Cantera Opal 1.436ct Loose Stone (Rose Cut)
Sale price¥12,800
Vietnam Pink Sapphire 1.690ct Loose GIA
Sale price¥98,000
Cambodian Zircon 1.620ct Loose
Sale price¥15,800
Brazilian Swiss Blue Topaz 1.062ct Loose Stone
Sale price¥9,800
Brazilian Swiss Blue Topaz 1.090ct Loose
Sale price¥9,800
Tanzanian Almandine Garnet 1.263ct Loose Stone
Sale price¥12,800
Brazilian Rhodonite 1.558ct loose stone
Sale price¥22,800
Madagascar Apatite 1.125ct Loose Stone
Sale price¥8,800
Brazilian bicolor tourmaline 1.032ct loose stone
Sale price¥25,800
Oregon Sunstone from the United States 8.0mm/1.835ct loose stone
Sale price¥22,800
Brazilian bicolor tourmaline 1.875ct loose stone
Sale price¥39,800
Brazilian bicolor tourmaline 1.255ct loose stone
Sale price¥25,800
Brazilian Pink Tourmaline 1.045ct Loose Stone
Sale price¥9,800
Mexican Fire Opal 1.348ct Loose
Sale price¥15,800
[On sale 7/3 at 10pm] Madagascar sphene 1.079ct loose stone
Sale price¥19,800
Colombian Euclase 1.344ct loose stone
Sale price¥26,800
[7/5 22:00 Fireworks] Colombian Euclase 1.408ct Loose Stone
Sale price¥24,800
Colombian Euclase 1.776ct loose stone
Sale price¥15,800
Madagascar Apatite Cat's Eye 1.644ct Loose Stone
Sale price¥8,800
Brazilian Swiss Blue Topaz 1.179ct Loose Stone
Sale price¥8,800
Brazilian Swiss Blue Topaz 1.042ct Loose Stone
Sale price¥9,800
Brazilian Swiss Blue Topaz 1.395ct Loose
Sale price¥8,800
Brazilian Swiss Blue Topaz 1.043ct Loose Stone
Sale price¥8,800
Brazilian Blue Topaz 1.355ct Loose
Sale price¥8,800
Brazilian Sky Blue Topaz 1.086ct Loose
Sale price¥8,800
Dominican Republic Conch Pearl (with flame pattern) 1.260ct loose
Sale price¥25,800
Brazilian Morganite 1.950ct loose stone
Sale price¥14,800
Brazilian Madeira Citrine 6.8mm/1.110ct Loose Stone
Sale price¥4,980
Madagascar Aquamarine 1.678ct Loose Stone
Sale price¥15,800
Ethiopian Sunstone 1.045ct Loose
Sale price¥15,800
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.