Montana Sapphire 3.7mm/0.272ct Loose Stone (Blue Sapphire)
Sale price¥9,800
Montana Sapphire 0.561ct loose (bicolor sapphire)
Sale price¥22,800
Montana Sapphire 0.443ct loose (green sapphire)
Sale price¥15,800
Montana Sapphire 0.416ct Loose (Bi-Color Sapphire)
Sale price¥12,800
Montana sapphire 0.370ct loose stone
Sale price¥9,800
Montana sapphire 0.359ct loose (blue sapphire)
Sale price¥15,800
Montana Sapphire 0.331ct Loose (Bi-Color Sapphire)
Sale price¥8,800
Mongolian color change andesine 0.717ct loose stone
Sale price¥9,800
Unheated Mozambique Ruby 2.7mm/0.135ct Loose
Sale price¥19,800
Ruby 4.0mm/0.305ct loose stone
Sale price¥45,800
Mozambique Pink Sapphire 0.276ct Loose (Hot Pink Sapphire)
Sale price¥13,800
[12550887] Paraiba Tourmaline from Mozambique 0.784ct loose stone
Sale price¥128,000
Paraiba tourmaline from Mozambique 0.240ct loose
Sale price¥35,800
Paraiba tourmaline from Mozambique 0.388ct loose
Sale price¥24,800
Mozambique Almandine Garnet 1.602ct Loose Stone
Sale price¥15,800
Mozambique Almandine Garnet 0.774ct Loose Stone
Sale price¥8,800
Mozambique Almandine Garnet 1.052ct Loose Stone
Sale price¥12,800
Mozambique Aquamarine 4.9mm/0.463ct Loose Stone
Sale price¥9,800
Mozambique Aquamarine 3.301ct Loose Stone
Sale price¥59,800
Mexican Fire Opal 4.9mm/0.333ct Loose
Sale price¥8,800
Mexican Fire Opal 7.1mm/0.911ct Loose
Sale price¥25,800
Mexican Fire Opal 3.160ct Loose
Sale price¥29,800
Mexican Fire Opal 1.320ct Loose
Sale price¥13,800
Mexican Fire Opal 0.780ct Loose
Sale price¥12,800
Mexican Fire Opal 0.921ct Loose
Sale price¥14,800
Mexican Fire Opal 0.356ct Loose (Faceted Cut)
Sale price¥9,800
Mexican Fire Opal 0.213ct Loose (Faceted Cut)
Sale price¥9,800
Mexican Fire Opal 0.212ct Loose (Faceted Cut)
Sale price¥8,800
Mexican Hyalite Opal 0.664ct Loose
Sale price¥6,980
Mexican Opal (Faceted Cut) 0.550ct Loose
Sale price¥25,800
Mexican Opal 4.9mm/0.327ct Loose
Sale price¥9,800
Mexican Opal 3.8mm/0.157ct Loose
Sale price¥6,980
Mexican Opal 1.666ct Loose
Sale price¥14,800
Mexican Opal 0.677ct Loose
Sale price¥6,980
Mexican Opal 0.648ct Loose
Sale price¥14,800
Burmese red spinel 0.418ct loose
Sale price¥55,800
[E33 Shinjuku] Myanmar Red Spinel 0.174ct Loose
Sale price¥8,800
Myanmar Red Spinel 0.182ct Loose
Sale price¥8,800
Myanmar Ruby 0.283ct Loose
Sale price¥29,800
Myanmar Musgravite 0.214ct Loose Stone Nikko Kan
Sale price¥258,000
Myanmar Podretteite 0.834ct loose stone
Sale price¥298,000
0.276ct loose hot pink spinel from Myanmar
Sale price¥19,800
Myanmar Podretteite 0.790ct loose stone
Sale price¥198,000
Myanmar Pink Spinel 0.650ct Loose
Sale price¥16,800
Myanmar pink spinel 0.291ct loose stone
Sale price¥6,980
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.