Brazilian mint color tourmaline 0.849ct loose stone
Sale price¥29,800
Spanish Sphalerite 5.6mm/0.956ct loose stone
Sale price¥14,800
Spanish Sphalerite 5.6mm/0.841ct loose stone
Sale price¥12,800
Brazilian Green Tourmaline 0.561ct Loose Stone
Sale price¥25,800
Tanzanite from Tanzania 0.520ct loose stone
Sale price¥12,800
Vietnam Aquamarine 0.585ct Loose
Sale price¥12,800
Ethiopian Sunstone 0.661ct Loose
Sale price¥9,800
Brazilian Bicolor Tourmaline 0.716ct Loose Stone (Rose Cut)
Sale price¥6,980
[Star in cut] Mexican fire opal 7mm/0.678ct loose patch
Sale price¥49,800
Ethiopian Opal 7.2mm/0.910ct Loose Stone
Sale price¥6,980
Indonesian Parasitic Peridot Cat's Eye 0.797ct Loose Stone
Sale price¥268,000
Pakistani Axinite 0.500ct loose stone (green tint)
Sale price¥12,800
Brazilian Santa Maria Aquamarine 0.968ct loose stone
Sale price¥69,800
Tanzanite from Tanzania 5.8mm/0.803ct loose stone
Sale price¥35,800
Myanmar color change zircon 0.720ct loose stone
Sale price¥69,800
Afghanistan Lazurite in Sodalite 0.581ct Loose Stone
Sale price¥18,800
Oregon Sunstone from the United States 0.605ct loose stone
Sale price¥8,800
Pakistani Axinite 0.583ct loose stone
Sale price¥8,800
Mexican Hyalite Opal 0.873ct Loose
Sale price¥9,800
Mexican Hyalite Opal 0.664ct Loose
Sale price¥6,980
Mexican Fire Opal (Faceted Cut) 0.934ct Loose
Sale price¥25,800
Nigerian Blue Garnite 0.794ct Loose Stone, Japan-Germany Exchange
Sale price¥79,800
Synthetic Alexandrite 0.570ct loose stone
Sale price¥18,800
Australian black opal 0.544ct loose stone
Sale price¥18,800
Tanzania Peristerite 0.911ct Loose Stone (Royal Blue Moonstone)
Sale price¥15,800
Brazilian unheated pink imperial topaz (sherry pink) 0.931ct loose stone
Sale price¥98,000
Sri Lankan Violet Spinel 0.592ct Loose
Sale price¥8,800
Brazilian Paraiba Tourmaline in Quartz 6.0mm/0.794ct Loose Stone
Sale price¥15,800
Amazon Green Opal 7mm/0.88ct Loose
Sale price¥7,980
Zimbabwe bicolor euclase rough stone 0.960ct
Sale price¥39,800
Madagascar Bicolor Sapphire 0.626ct Loose
Sale price¥29,800
Spanish Andalusite 0.74ct loose stone
Sale price¥6,980
Mozambique Almandine Garnet 0.774ct Loose Stone
Sale price¥8,800
Australian Prehnite 6.0mm/0.993ct loose stone (rose cut)
Sale price¥8,800
Mexican Fire Opal (Faceted Cut) 0.608ct Loose
Sale price¥12,800
Madagascar Blue Sapphire (Ice Blue) 0.694ct Loose
Sale price¥18,800
Oregon Sunstone from the United States 0.596ct loose stone
Sale price¥12,800
Tanzania UV type bicolor tsavorite 0.947ct loose stone
Sale price¥39,800
Mozambique Almandine Garnet 0.965ct Loose Stone
Sale price¥12,800
Tanzanian Violet Spinel 0.541ct Loose Stone
Sale price¥9,800
Tanzanian Kornerupine 0.616ct loose stone
Sale price¥49,800
Tanzanian Kornerupine 0.500ct Loose Stone
Sale price¥39,800
Tanzanian Sunstone (Illusion Sunstone) 0.823ct Loose Stone
Sale price¥12,800
![[On sale from 10pm on 5/18] Malawi bicolor zircon 0.621ct loose stone](http://store.karatz.jp/cdn/shop/files/P3139797_8924ce33-8ebc-4614-aa4b-827edff1d5f4.jpg?v=1749163093&width=3437)
[On sale from 10pm on 5/18] Malawi bicolor zircon 0.621ct loose stone
Sale price¥29,800
Russian Demantoid Garnet (Horsetail Recognized) 5.1mm/0.664ct Loose Stone
Sale price¥188,000
Black star sapphire 0.930ct loose
Sale price¥6,980
Brazilian Morganite 0.633ct loose stone
Sale price¥9,800
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.