Sri Lankan bicolor sapphire 0.586ct loose stone
Sale price¥39,800
0.604ct rough diamond
Sale price¥12,800
Sri Lankan triple star sapphire 1.743ct loose stone
Sale price¥128,000
Pakistani Lazurite (Azurite) 0.171ct Loose Stone
Sale price¥49,800
Colombian Emerald 3.3mm/0.131ct Loose
Sale price¥25,800
Parasitic Peridot 0.241ct Loose Stone, Japan-Germany Scale
Sale price¥98,000
Tanzanian Chrome Tourmaline 0.164ct Loose Stone
Sale price¥9,800
Sri Lankan Yellow Sapphire 0.343ct Loose
Sale price¥12,800
Sri Lankan blue sapphire 1.008ct loose stone
Sale price¥69,800
Loose Tourmaline from Brazil, 0.270 ct
Sale price¥5,980
Sri Lankan Yellow Sapphire 0.170ct Loose
Sale price¥12,800
Sri Lankan Yellow Sapphire 0.182ct Loose
Sale price¥9,800
Sri Lankan Yellow Sapphire 0.297ct Loose
Sale price¥12,800
Greenland Ruby 0.253ct Loose Stone with Certificate
Sale price¥49,800
Greenland Ruby 0.266ct Loose Stone with Certificate
Sale price¥22,800
Russian Demantoid Garnet (Horsetail) 3.8mm/0.249ct Loose Stone
Sale price¥39,800
Madagascar Dumortierite (single crystal) 0.195ct loose stone
Sale price¥89,800
0.200ct loose diamond (G, VVS2, radiant cut)
Sale price¥29,800
Tanzanian Kornerupine 0.324ct Loose Stone
Sale price¥29,800
0.152ct Nigerian Cobalt Garnet Loose Stone with Certification
Sale price¥45,800
Pezzottaite from Madagascar 0.198ct loose stone
Sale price¥15,800
Russian Demantoid Garnet (Horsetail) 0.256ct Loose Stone
Sale price¥79,800
Tanzanite from Tanzania 0.342ct loose stone
Sale price¥7,980
Almandine Garnet 0.348ct Loose Stone
Sale price¥8,800
Tanzanian mint diopside 0.364ct loose stone
Sale price¥9,800
Russian Demantoid Garnet (Horsetail) 3.8mm/0.255ct Loose Stone
Sale price¥39,800
0.424ct Indian Chrysoberyl Loose Stone (Canary Yellow)
Sale price¥15,800
American Benitoite 0.185ct Loose Stone
Sale price¥128,000
Greenland Sapphire 4.0mm/0.328ct Loose Stone with Certificate
Sale price¥39,800
Brazilian Morganite 0.377ct loose stone
Sale price¥8,800
Pigeon Blood Ruby 4.0mm/0.290ct Loose Stone AIGS
Sale price¥59,800
Russian Demantoid Garnet (Horsetail) 0.487ct Loose Stone
Sale price¥110,000
Greenland Ruby 3.6mm/0.210ct Loose Stone with Certificate
Sale price¥45,800
Pakistani sphene 0.489ct loose stone
Sale price¥11,000
Pakistani sphene 0.396ct loose stone
Sale price¥9,800
Tanzanian purple sapphire 0.355ct loose stone
Sale price¥9,800
Golden Iolite (Cordierite) from Madagascar 0.193ct loose stone
Sale price¥8,800
Zimbabwean sphene 0.704ct loose stone
Sale price¥14,800
Brazilian Bicolor Beryl 0.556ct Loose Stone
Sale price¥29,800
Zimbabwean Bicolor Euclase 0.183ct Loose Stone
Sale price¥49,800
Paraiba tourmaline from Mozambique, 3.5mm/0.172ct loose stone
Sale price¥15,800
Paraiba tourmaline from Mozambique, 3.2mm/0.119ct loose stone
Sale price¥9,800
Zambian emerald 0.135ct loose stone
Sale price¥8,800
Brazilian pink tourmaline 0.234ct loose stone
Sale price¥8,800
Brazilian mint color tourmaline 0.145ct loose stone
Sale price¥8,800
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.