Bicolor star sapphire from Myanmar 1.340ct loose
Sale price¥35,800
Mexican water opal 0.212ct loose (contrarus opal)
Sale price¥39,800
Goshenite 1.620ct loose
Sale price¥22,800
Goshenite 1.989ct loose
Sale price¥25,800
Diaspore 1.209ct loose from Türkiye
Sale price¥21,800
Sphene from Madagascar 1.899ct loose
Sale price¥24,800
Sphene from Madagascar 1.476ct loose
Sale price¥18,800
Cambodian blue zircon 1.179ct loose
Sale price¥7,980
Brazilian citrine 1.216ct loose stone
Sale price¥4,980
Bicolor Zoisite 1.210ct loose
Sale price¥19,800
Danburite 1.427ct loose stone
Sale price¥5,980
Russian demantoid garnet (horsetail recognized) 6.3mm/1.058ct loose
Sale price¥398,000
Morganite from Nigeria 1.119ct loose
Sale price¥4,980
Sphene from Madagascar 1.853ct loose
Sale price¥24,800
Bicolor chrysoberyl from Madagascar 1.753ct loose
Sale price¥26,800
Bicolor chrysoberyl from Madagascar 1.590ct loose
Sale price¥23,800
Bicolor chrysoberyl from Madagascar 1.003ct loose
Sale price¥15,800
Bicolor chrysoberyl from Madagascar 1.456ct loose
Sale price¥21,800
Bicolor chrysoberyl from Madagascar 1.520ct loose
Sale price¥22,800
Pink tourmaline 1.690ct loose
Sale price¥39,800
Australian boulder opal 1.730ct loose
Sale price¥9,800
Brazilian Euclase 1.240ct loose
Sale price¥22,800
Tanzanite 1.593ct loose
Sale price¥15,800
Tanzanite 1.297ct loose
Sale price¥12,960
Beryl 6.5mm/1.032ct loose stone
Sale price¥12,800
Labradorite Moonstone 1.598ct Loose Stone Japanese-German
Sale price¥9,800
Bicolor sphene from Madagascar 1.242ct loose
Sale price¥59,800
Sphene from Madagascar 1.229ct loose
Sale price¥59,800
Oregon Sunstone 1.157ct loose
Sale price¥9,800
South African rhodochrosite 1.333ct loose Japanese-German edition
Sale price¥128,000
Mexican Fire Opal 4.5mm/0.244ct Loose
Sale price¥12,800
Amazon green opal 1.120ct loose
Sale price¥5,980
YAG (Yttrium Aluminum Garnet) 7mm/1.775ct Loose Stone
Sale price¥12,800
Unheated Burmese pink spinel 1.430ct loose AIGS
Sale price¥188,000
Australian boulder opal 1.552ct loose
Sale price¥12,800
Sri Lankan star sapphire 1.487ct loose
Sale price¥12,800
Aventurine Aquamarine Cat's Eye 1.567ct Loose
Sale price¥5,980
Spinel 1.680ct loose
Sale price¥8,800
Mexican Fire Opal 1.150ct Loose
Sale price¥39,800
Oregon Sunstone 1.333ct Loose
Sale price¥12,800
Brazilian bicolor tourmaline 1.554ct loose (tricolor tourmaline)
Sale price¥25,800
Felspar 1.478ct loose from Sri Lanka
Sale price¥3,980
Felspar 1.939ct loose from Sri Lanka
Sale price¥5,980
Sri Lankan Chrysoberyl Cat's Eye 1.340ct Loose Stone
Sale price¥12,800
Brazilian bicolor tourmaline 1.764ct loose
Sale price¥35,800
Brazilian bicolor tourmaline 1.565ct loose
Sale price¥22,800
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.