Madagascar Blue Sapphire 0.302ct Loose
Sale price¥15,800
Madagascar pink sapphire 0.346ct loose stone
Sale price¥15,800
Madagascar pink sapphire 0.243ct loose stone
Sale price¥8,800
Sri Lankan Blue Sapphire 0.519ct Loose
Sale price¥14,800
Afghan Hackmanite 0.205 ct Loose
Sale price¥36,800
0.464 ct Mozambique Ruby Loose Stone with Identification Report
Sale price¥29,800
[Cat cut] Brazilian dendritic agate 0.774ct loose stone
Sale price¥6,980
Madagascar sphene 0.838ct loose stone
Sale price¥9,800
Greenland sapphire 0.592ct loose stone
Sale price¥18,800
Aquamarine 0.327ct loose stone
Sale price¥9,800
Colombian Trapiche emerald 0.418ct rough stone
Sale price¥39,800
Sri Lankan Blue Sapphire (Ice Blue) 0.584ct Loose
Sale price¥8,800
Namibian Jeremejevite 0.261ct loose stone
Sale price¥45,800
Tanzanian Kornerupine 0.300ct Loose Stone
Sale price¥18,800
Tanzanian Kornerupine 0.249ct loose stone
Sale price¥15,800
Colombian emerald 0.512ct loose stone (silky type)
Sale price¥12,800
Colombian oil-free emerald 0.310ct loose stone
Sale price¥298,000
Brazilian Dumortierite in Quartz 0.432ct Loose Stone
Sale price¥6,980
Salt and pepper diamond 0.446ct loose
Sale price¥39,800
Andalusite from Spain, 0.571 ct loose
Sale price¥7,980
0.478ct Andalusite Loose Stone from Spain
Sale price¥8,800
Synthetic Alexandrite 0.885ct Loose
Sale price¥18,800
Synthetic Alexandrite Loose Stone 5.8mm/0.979ct
Sale price¥22,800
Sri Lankan Bi-Color Sapphire 0.434ct Loose Stone
Sale price¥12,800
Colombian Trapiche Emerald 0.422ct Loose
Sale price¥18,800
Mica in Quartz 0.710ct Loose
Sale price¥5,980
Ruby 0.528ct Loose Stone with Gem Identification Report
Sale price¥28,800
Unheated Brazilian Imperial Topaz (Sherry Color) 0.314ct Loose
Sale price¥22,800
Brazilian unheated imperial topaz (sherry color) 0.368ct loose gemstone
Sale price¥25,800
Mica in Quartz 0.594ct loose stone
Sale price¥5,980
Benitoite 0.286ct loose
Sale price¥258,000
Oregon Sunstone 0.575ct loose
Sale price¥9,800
Brazilian Imperial Topaz 0.402ct Loose Stone
Sale price¥9,800
Lepidocrocite in quartz 0.308ct loose
Sale price¥6,980
Tanzanian Rhodolite Garnet 5.9mm/1.084ct Loose
Sale price¥12,800
Loose Tanzanian spessartine garnet, 0.417ct
Sale price¥12,800
Tanzanian Spessartine Garnet 0.359ct Loose Stone
Sale price¥9,800
Colombian emerald with pyrite 0.248ct rough stone
Sale price¥12,800
Brazilian Dumortierite in Quartz 0.387ct loose stone
Sale price¥3,980
Bicolor Grossular Garnet (Bicolor Tsavorite) from Kenya, 0.761 ct, Loose
Sale price¥22,800
Madagascar Pezzottaite 0.554ct loose stone
Sale price¥15,800
Green tourmaline 0.621ct loose stone
Sale price¥9,800
Green tourmaline 0.457ct loose stone
Sale price¥8,800
Zimbabwean Blue Apatite (UV Type) 0.539ct Loose
Sale price¥8,800
Zimbabwean Blue Apatite (UV type) 0.703ct loose stone
Sale price¥9,800
Zimbabwean Blue Apatite (UV type) 1.061ct loose stone
Sale price¥11,000
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.