Royal Blue Sapphire 2.220ct Loose Stone AIGS
Sale price¥458,000
Royal blue sapphire 1.220ct loose stone
Sale price¥298,000
Ruby 0.284ct loose
Sale price¥15,800
Montana Sapphire 3.7mm/0.272ct Loose Stone (Blue Sapphire)
Sale price¥9,800
Montana sapphire 0.370ct loose stone
Sale price¥9,800
Montana Sapphire 0.331ct Loose (Bi-Color Sapphire)
Sale price¥8,800
Mexican Fire Opal 4.9mm/0.333ct Loose
Sale price¥8,800
Mexican Fire Opal 1.320ct Loose
Sale price¥13,800
Mexican Fire Opal 0.780ct Loose
Sale price¥12,800
Mexican Fire Opal 0.212ct Loose (Faceted Cut)
Sale price¥8,800
Mexican Hyalite Opal 0.664ct Loose
Sale price¥6,980
Mexican Opal 3.8mm/0.157ct Loose
Sale price¥6,980
Myanmar Ruby 0.283ct Loose
Sale price¥29,800
Madagascar Blue Sapphire 4.0mm/0.326ct Loose
Sale price¥11,000
0.266ct loose blue sapphire from Madagascar
Sale price¥8,800
Madagascar Purple Sapphire 0.433ct Loose Stone
Sale price¥14,800
Blue sapphire 4.1mm/0.332ct loose stone
Sale price¥25,800
Blue sapphire 0.295ct loose stone
Sale price¥7,980
Sri Lankan Blue Sapphire 4.2mm/0.333ct Loose Stone
Sale price¥12,800
Blue sapphire 0.291ct loose stone
Sale price¥18,800
Brazilian Alexandrite 0.097ct Loose Stone (Emerald Cut)
Sale price¥38,800
[12558729] Brazilian Alexandrite 0.079ct loose stone
Sale price¥31,800
Pink Diamond 0.075ct Loose (Fancy Purplish PINK, SI2)
Sale price¥98,000
Burmese Ruby 0.418ct Loose Stone Japan-Germany
Sale price¥35,800
[Posted 32501454] Pink Diamond 0.051ct Loose (FANCY LIGHT PINK, SI-2)
Sale price¥39,800
Pigeon Blood Ruby 4.0mm/0.290ct Loose Stone AIGS
Sale price¥59,800
Pigeon Blood Ruby 0.280ct Loose
Sale price¥49,800
Bicolor sapphire 0.480ct loose
Sale price¥28,800
Bicolor sapphire 0.405ct loose
Sale price¥25,800
Bicolor sapphire 0.481ct loose
Sale price¥25,800
Madagascar Purple Sapphire 0.342ct Loose Stone
Sale price¥12,800
Non-Oil Emerald 1.070ct Loose Gübelin Certificate
Sale price¥698,000
Non-Oil Emerald 1.030ct Loose Gübelin Gübelin Certificate
Sale price¥698,000
Tanzanian Golden Sheen Sapphire 3.8mm/0.301ct Loose Stone
Sale price¥13,800
Diamond (cabochon cut) 0.233ct loose
Sale price¥39,800
Diamond 0.171ct loose stone (E, VS2, radiant cut)
Sale price¥35,800
Diamond 3.0mm/0.123ct loose stone (D, VS2, octagonal cut)
Sale price¥28,800
White sapphire 0.338ct loose
Sale price¥9,800
Bicolor sapphire 0.856ct loose
Sale price¥18,800
Sri Lankan star sapphire 1.093ct loose
Sale price¥8,800
Sri Lankan star sapphire 1.773ct loose
Sale price¥9,800
Sri Lankan Yellow Sapphire 0.300ct Loose
Sale price¥12,800
Silky diamond 2.7mm/0.086ct loose
Sale price¥14,800
Colombian mica in emerald 1.940ct loose
Sale price¥49,800
Colombian emerald 0.203ct loose stone with certificate
Sale price¥98,000
Colombian emerald cat's eye 0.190ct loose
Sale price¥15,800
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.