Aventurine aquamarine 1.450ct loose
Sale price¥8,800
Almandine Garnet 1.471ct Loose Stone
Sale price¥15,800
Almandine Garnet 1.388ct Loose Stone
Sale price¥12,800
Almandine Garnet 1.988ct Loose Stone
Sale price¥18,800
Almandine Garnet 1.485ct Loose Stone
Sale price¥15,800
Almandine Garnet 1.058ct Loose Stone
Sale price¥12,800
Cornflower Blue Sapphire 1.080ct Loose AIGS
Sale price¥158,000
Tanzanian Kornerupine Cat's Eye 1.608ct Loose Stone
Sale price¥6,980
Synthetic Opal 1.804ct Loose
Sale price¥14,800
Indian Moonstone 8mm/1.879ct Loose
Sale price¥6,980
[Posted in 12549756] Lavender quartz (scorolite) 1.704ct loose
Sale price¥19,800
[12551312] Zimbabwean Blue Apatite (UV Type) 1.312ct Loose Stone
Sale price¥9,800
Australian Rainbow Lattice Sunstone 1.746ct Loose Stone
Sale price¥15,800
Sky blue topaz 1.719ct loose stone
Sale price¥9,800
Spessartite Garnet from Madagascar 1.053ct loose stone
Sale price¥29,800
Cambodian Blue Zircon 1.757ct Loose
Sale price¥19,800
Brazilian Bicolor Tourmaline 7.2mm/1.326ct Loose Stone
Sale price¥19,800
Namibian Green Tourmaline 7.0mm/1.206ct Loose Stone (Lagoon Tourmaline)
Sale price¥59,800
Synthetic rutile 6mm/1.091c loose stone
Sale price¥22,800
[Sakura Incut] Danburite 8mm/1.581ct loose stone with patch
Sale price¥29,800
Mexican Hyalite Opal 1.215ct Loose (Faceted Cut)
Sale price¥9,800
Tanzanite 1.891ct loose stone
Sale price¥39,800
Tanzanite 1.116ct loose stone
Sale price¥29,800
Tanzanian Rhodolite Garnet 1.157ct Loose Stone
Sale price¥14,800
Mozambique Elbaite Tourmaline 1.793ct Loose Stone
Sale price¥49,800
[12551668] Anthill Garnet 1.008ct Loose
Sale price¥29,800
Madagascar sphene 1.146ct loose stone
Sale price¥29,800
Almandine Garnet 1.049ct Loose Stone
Sale price¥15,800
Sillimanite from Sri Lanka 1.704ct loose stone
Sale price¥19,800
Spanish Sphalerite 1.127ct loose stone
Sale price¥14,800
Pink tourmaline 1.157ct loose stone
Sale price¥18,800
Bicolor Tanzanite 1.677ct rough stone
Sale price¥8,800
Mexican Opal 1.666ct Loose
Sale price¥14,800
Unheated color change sapphire 1.070ct loose stone
Sale price¥158,000
Lavender quartz (scorolite) 1.130ct loose stone
Sale price¥6,980
South African Sugilite 7.3mm/1.034ct loose stone
Sale price¥18,800
Sri Lankan Purple Spinel 1.638ct Loose Stone, Japan-Germany Exchange
Sale price¥69,800
Almandine Garnet 1.255ct Loose Stone
Sale price¥14,800
Mexican Opal 9.6mm/1.803ct Loose (Contralus Opal)
Sale price¥69,800
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.