[12548587 published] Star sapphire from Sri Lanka 1.325ct loose
Sale price¥5,980
Mexican Opal (Faceted) 0.242ct Loose
Sale price¥8,800
Colombian pyrite in emerald 7.836ct loose
Sale price¥398,000
Brazilian emerald 3.3mm/0.119ct loose
Sale price¥22,800
Sri Lankan star sapphire 1.061ct loose
Sale price¥3,980
Rough diamond (makeable) 0.345ct loose (VS-SI equivalent)
Sale price¥29,800
Rough diamond (makeable) 0.185ct loose (VS-SI)
Sale price¥19,800
Madagascar Bicolor Sapphire 0.324ct Loose
Sale price¥9,800
Madagascar Bicolor Sapphire 0.278ct Loose
Sale price¥8,800
Mexican Fire Opal 5.8mm/0.345ct Loose Stone
Sale price¥12,800
Greenland Ruby 0.360ct Loose Stone with Certificate
Sale price¥69,800
Madagascar Bicolor Sapphire 0.633ct Loose
Sale price¥39,800
Tanzanian bicolor sapphire 0.486ct loose stone
Sale price¥12,800
Colombian emerald 0.176ct loose stone
Sale price¥59,800
Unheated Pigeon Blood Ruby from Myanmar, 0.640ct Loose, AIGS
Sale price¥258,000
Madagascar Bicolor Sapphire 0.318ct Loose
Sale price¥25,800
Brazilian mint-colored emerald 0.491ct loose stone
Sale price¥15,800
Mexican Hyalite Opal 0.743ct Loose
Sale price¥12,800
Mexican Hyalite Opal 1.420ct Loose
Sale price¥18,800
Mexican Opal 0.233ct Loose (Faceted)
Sale price¥12,800
Australian boulder opal 3.122ct loose stone
Sale price¥29,800
Madagascar Bicolor Sapphire 0.266ct Loose
Sale price¥16,800
Sri Lankan blue sapphire 0.187ct loose stone
Sale price¥29,800
Ice blue sapphire from Madagascar 0.181ct loose
Sale price¥6,980
Yellow sapphire from Madagascar 0.181ct loose
Sale price¥4,980
Green sapphire from Madagascar 0.199ct loose
Sale price¥6,980
3.2mm/0.132ct loose diamond (G, VS-2, Excellent)
Sale price¥29,800
0.200ct loose diamond (G, VVS2, radiant cut)
Sale price¥29,800
Madagascar sapphire 0.205ct loose
Sale price¥7,980
Yellow sapphire from Madagascar 0.207ct loose
Sale price¥6,980
Silky pink sapphire from Madagascar, 1.050ct loose, GIT
Sale price¥128,000
Mexican Fire Opal 4.2mm/0.182ct Loose
Sale price¥8,800
Diamond 0.039ct loose (trapeze cut, equivalent to VS class)
Sale price¥5,980
Diamond 0.042ct loose (trapeze cut, VS class equivalent)
Sale price¥6,980
Diamond 0.061ct loose (trapeze cut, VS class equivalent)
Sale price¥7,980
Sapphire from Madagascar 4.3mm/0.398ct loose
Sale price¥12,800
Greenland sapphire 0.133ct loose stone with certificate
Sale price¥14,800
Greenland Ruby 0.266ct Loose Stone with Certificate
Sale price¥22,800
Greenland Ruby 0.253ct Loose Stone with Certificate
Sale price¥49,800
Montana Sapphire 3mm/0.155ct loose
Sale price¥18,800
Unheated silky pink sapphire from Vietnam 0.426ct loose
Sale price¥9,800
Green sapphire 0.518ct loose (teal green)
Sale price¥8,800
Colombian pyrite in emerald 4.592ct loose
Sale price¥110,000
Sri Lankan star sapphire 1.487ct loose
Sale price¥8,800
South African diamond rough (sawable) 0.096ct rough (with trigon)
Sale price¥39,800
Russian oil-free emerald 0.570ct loose stone GIA
Sale price¥298,000
Russian rough diamond (sawable) 0.125ct loose
Sale price¥29,800
Russian Yellow Diamond Rough (Sawable) 0.306ct Rough (Trigon)
Sale price¥98,000
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.