Myanmar Trapiche Sapphire 0.206ct Loose
Sale price¥18,800
American Herkimer Diamond (Rock Crystal) 5.5mm/0.528ct Loose
Sale price¥8,800
Mexican Cantera Opal 13.531ct Loose
Sale price¥69,800
Mexican Cantera Opal 10.986ct Loose
Sale price¥29,800
Mexican Cantera Opal 7.262ct Loose
Sale price¥19,800
Mexican Cantera Opal 6.710ct Loose
Sale price¥22,800
Mexican Cantera Opal 6.205ct Loose
Sale price¥9,800
Mexican Cantera Opal 5.887ct Loose
Sale price¥12,800
Synthetic Opal 1.804ct Loose
Sale price¥14,800
Mexican Fire Opal 0.718ct Loose
Sale price¥9,800
Mexican Fire Opal 0.593ct Loose (Faceted Cut)
Sale price¥9,800
Emerald 0.310ct loose
Sale price¥12,800
Tanzanian green sapphire 0.303ct loose stone
Sale price¥9,800
Sri Lankan Yellow Sapphire 0.267ct Loose
Sale price¥14,800
Colombian mint color emerald 0.297ct loose stone
Sale price¥9,800
[12551529] Australian black opal 2.233ct loose stone
Sale price¥69,800
[12551148] Australian black opal 3.890ct loose stone
Sale price¥69,800
Colombian Trapiche Emerald 0.488ct Loose
Sale price¥25,800
Russian rough diamond (sawable) 0.117ct loose
Sale price¥29,800
Russian rough diamond (sawable) 0.101ct loose
Sale price¥25,800
South African diamond rough (sawable) 0.110ct rough
Sale price¥25,800
South African diamond rough (sawable) 0.091ct rough
Sale price¥22,800
South African diamond rough (sawable) 0.085ct rough
Sale price¥19,800
Madagascar Blue Sapphire 0.401ct Loose
Sale price¥14,800
Madagascar sapphire 0.448ct loose stone
Sale price¥19,800
Diamond (cabochon cut) 0.206ct loose
Sale price¥55,800
Ethiopian Opal 0.629ct Loose (Sphere)
Sale price¥7,980
Sri Lankan Yellow Sapphire 0.312ct Loose
Sale price¥8,800
Tanzanian Golden Sheen Sapphire 3.8mm/0.301ct Loose Stone
Sale price¥13,800
Colombian emerald cat's eye 0.138ct loose
Sale price¥17,800
Yellow Opal 0.372ct Loose (Faceted Cut)
Sale price¥8,800
0.421ct loose yellow sapphire from Ratnapura, Sri Lanka
Sale price¥11,800
Mexican Hyalite Opal 1.215ct Loose (Faceted Cut)
Sale price¥9,800
Color change sapphire 0.473ct loose stone (purple sapphire)
Sale price¥29,800
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
Sri Lankan Blue Sapphire 0.519ct Loose
Sale price¥15,800
Ethiopian Opal 5.7mm/0.878ct Loose (Sphere)
Sale price¥7,980
Unheated Silky Pink Sapphire from Vietnam 2.4mm/0.078ct Loose
Sale price¥4,980
Greenland sapphire 0.592ct loose stone
Sale price¥24,800
Sri Lankan Star Sapphire 6.477ct Loose
Sale price¥49,800
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.