Brazilian Medusa Quartz (Paraiba Quartz) 1.945ct Loose Stone
Sale price¥24,800
Brazilian Goshenite 0.771ct loose stone
Sale price¥6,980
Russian rough diamond (sawable) 0.098ct loose
Sale price¥24,800
Australian Shell Opal (Shell Opal) 73.321ct Rough Stone
Sale price¥49,800
Brazilian Euclase 0.224ct Loose Stone (Bicolor Euclase)
Sale price¥18,800
Sri Lankan glass body (sapphire crystal) 7.983ct rough stone
Sale price¥29,800
Sri Lankan glass body (sapphire crystal) 5.573ct rough stone
Sale price¥9,800
Sri Lankan glass body (sapphire crystal) 4.126ct rough stone
Sale price¥8,800
Brazilian Flower Rutile in Quartz 3.066ct Loose Stone
Sale price¥18,800
Brazilian Flower Rutile in Quartz 3.312ct Loose Stone
Sale price¥15,800
Sri Lankan Moonstone 1.959ct Loose
Sale price¥12,800
Sri Lankan Moonstone 0.561ct Loose
Sale price¥6,980
Brazilian Tourmaline (untreated) 5.120ct loose stone
Sale price¥39,800
Brazilian Euclase 0.213ct loose stone (bicolor Euclase)
Sale price¥15,800
Namibian Jeremejevite 0.307ct loose stone by Nikkei
Sale price¥22,800
American Benitoite 0.084ct loose stone (colorless Benitoite)
Sale price¥12,800
Brazilian Euclase 0.289ct loose stone
Sale price¥12,800
Brazilian Euclase 0.263ct Loose Stone (Colorless Euclase)
Sale price¥9,800
Brazilian Euclase 0.695ct Loose Stone
Sale price¥18,800
Brazilian Dendritic Agate 3.575ct Loose Stone
Sale price¥9,800
Russian rough diamond (sawable) 0.088ct loose
Sale price¥22,800
Myanmar Pink Taaffeite 0.340ct Loose GIT
Sale price¥39,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 0.344ct Loose Stone
Sale price¥12,800
American Herkimer Diamond (Rock Crystal) 5.5mm/0.528ct Loose
Sale price¥8,800
Goshenite 5.7mm/0.572ct loose stone
Sale price¥5,980
YAG (Yttrium Aluminum Garnet) 3.9mm/0.317ct loose stone
Sale price¥6,980
YAG (Yttrium Aluminum Garnet) 4.9mm/0.574ct loose stone
Sale price¥8,800
Synthetic rutile 0.942ct loose stone
Sale price¥14,800
Synthetic Opal 1.804ct Loose
Sale price¥14,800
YAG (Yttrium Aluminum Garnet) 4.1mm/0.346ct Loose Stone (Rose Cut)
Sale price¥8,800
YAG (Yttrium Aluminum Garnet) 3.3mm/0.208ct Loose Stone (Rose Cut)
Sale price¥5,980
[12549597 published] Goshenite 0.439ct loose
Sale price¥5,980
[12550838] Brazilian Limonite in Topaz 4.680ct Loose Stone
Sale price¥11,800
[12552038] Beryl Cat's Eye 32.703ct Loose Stone
Sale price¥98,000
Mica in Quartz 0.758ct Loose Stone
Sale price¥6,980
Brazilian Limonite in Topaz 4.743ct loose stone
Sale price¥12,800
Russian rough diamond (sawable) 0.117ct loose
Sale price¥29,800
Russian rough diamond (sawable) 0.101ct loose
Sale price¥25,800
Pakistani Oil in Quartz 0.438ct Loose Stone
Sale price¥9,800
South African diamond rough (sawable) 0.110ct rough
Sale price¥25,800
South African diamond rough (sawable) 0.085ct rough
Sale price¥19,800
Ethiopian Opal 0.629ct Loose (Sphere)
Sale price¥7,980
Brazilian dendritic quartz 4.587ct loose stone
Sale price¥12,800
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.