Madagascar Green Sapphire 0.253ct Loose
Sale price¥9,800
Madagascar Yellow Sapphire 4.4mm/0.417ct Loose
Sale price¥15,800
Madagascar Blue Sapphire 0.302ct Loose
Sale price¥16,800
Madagascar pink sapphire 0.346ct loose stone
Sale price¥16,800
Madagascar pink sapphire 0.243ct loose stone
Sale price¥9,800
Tanzanite 1.891ct loose stone
Sale price¥39,800
Kunzite from Afghanistan 8.4mm/3.300ct loose stone
Sale price¥12,800
Tanzanian Kornerupine 0.391ct loose stone
Sale price¥39,800
Sri Lankan Blue Sapphire 0.519ct Loose
Sale price¥15,800
Tanzania Green Zoisite 0.709ct Loose Stone
Sale price¥19,800
Tanzanite 1.116ct loose stone
Sale price¥29,800
Tanzanian Rhodolite Garnet 1.157ct Loose Stone
Sale price¥14,800
Spanish Andalusite 0.535ct loose stone
Sale price¥8,800
Kunzite from Afghanistan 12mm/8.834ct loose stone
Sale price¥39,800
Ethiopian Opal 5.7mm/0.878ct Loose (Sphere)
Sale price¥7,980
Tibetan bicolor andesine 1.485ct loose stone (color change andesine)
Sale price¥18,800
Mongolian bicolor andesine (color change andesine) 1.305ct loose stone
Sale price¥15,800
Mexican Fire Opal 0.599ct Loose
Sale price¥6,980
Synthetic Moissanite 8.679ct loose stone
Sale price¥39,800
Myanmar Lavender Jade (Jadeite) 4.907ct Loose Stone
Sale price¥19,800
Mozambique Elbaite Tourmaline 1.793ct Loose Stone
Sale price¥49,800
Paraiba tourmaline from Brazil 0.071ct loose
Sale price¥25,800
[12551668] Anthill Garnet 1.008ct Loose
Sale price¥29,800
Unheated Silky Pink Sapphire from Vietnam 2.5mm/0.084ct Loose Stone
Sale price¥6,980
Unheated Silky Pink Sapphire from Vietnam 2.4mm/0.078ct Loose
Sale price¥4,980
Manganotantalite from Afghanistan 1.868ct loose stone
Sale price¥69,800
[Cat cut] Brazilian dendritic agate 0.774ct loose stone
Sale price¥8,800
[Cat cut] Brazilian dendritic agate 0.744ct loose stone
Sale price¥8,800
Tanzanite 0.754ct loose stone
Sale price¥9,800
Greenland sapphire 0.592ct loose stone
Sale price¥24,800
Demantoid Garnet from Madagascar 0.169ct loose stone
Sale price¥25,800
Russian Demantoid Garnet (Horsetail) 0.297ct Loose
Sale price¥39,800
Almandine Garnet 0.814ct Loose Stone
Sale price¥9,800
Almandine Garnet 1.049ct Loose Stone
Sale price¥15,800
Myanmar Star Spinel 2.030ct Loose
Sale price¥79,800
Mozambique pink spinel 0.670ct loose stone
Sale price¥29,800
Sri Lankan Star Sapphire 6.477ct Loose
Sale price¥49,800
Sri Lankan Star Sapphire 7.111ct Loose
Sale price¥59,800
German Awinite 0.064ct loose stone
Sale price¥18,800
Colombian pyrite emerald 3.817ct loose stone
Sale price¥79,800
Sillimanite from Sri Lanka 1.704ct loose stone
Sale price¥19,800
Spanish Sphalerite 1.127ct loose stone
Sale price¥14,800
Tanzania color change spinel 0.319ct loose stone
Sale price¥29,800
Sphene 0.503ct loose stone
Sale price¥8,800
Purple spinel 0.403ct loose stone
Sale price¥5,980
Russian Demantoid Garnet Cat's Eye (Horsetail Recognized) 0.200ct Loose
Sale price¥29,800
Pink tourmaline 1.157ct loose stone
Sale price¥18,800
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.