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
Russian Demantoid Garnet (Horsetail certified) 4.6mm/0.464ct loose stone
Sale price¥128,000
Oregon Sunstone from the United States 0.605ct loose stone
Sale price¥8,800
Pakistani Axinite (Blue Tint) 0.300ct Loose
Sale price¥7,980
Pakistani Axinite 0.583ct loose stone
Sale price¥8,800
Mexican Hyalite Opal 0.664ct Loose
Sale price¥6,980
Mexican Fire Opal (Faceted Cut) 0.934ct Loose
Sale price¥25,800
Synthetic Alexandrite 0.570ct loose stone
Sale price¥18,800
Australian black opal 0.544ct loose stone
Sale price¥18,800
Sri Lankan Yellow Sapphire 0.474ct Loose
Sale price¥15,800
American Red Beryl 0.254ct Loose
Sale price¥59,800
Brazilian unheated pink imperial topaz (sherry pink) 0.931ct loose stone
Sale price¥98,000
Zimbabwe bicolor euclase 0.205ct loose stone
Sale price¥98,000
Nigerian Cobalt Garnite 0.216ct Loose Stone, Japan-Germany Exchange
Sale price¥45,800
Zimbabwe bicolor euclase rough stone 0.960ct
Sale price¥39,800
Madagascar Bicolor Sapphire 0.626ct Loose
Sale price¥29,800
Myanmar Musgravite 0.214ct Loose Stone Nikko Kan
Sale price¥258,000
South African diamond rough stone 0.330ct
Sale price¥5,980
Sri Lankan Blue Sapphire 4.2mm/0.333ct Loose Stone
Sale price¥12,800
Mozambique Almandine Garnet 0.774ct Loose Stone
Sale price¥8,800
Mozambique Almandine Garnet 0.477ct Loose Stone
Sale price¥8,800
Australian Prehnite 6.0mm/0.993ct loose stone (rose cut)
Sale price¥8,800
Round Diamond 0.389ct Loose (Cabochon Cut)
Sale price¥39,800
Sri Lankan blue sapphire, 4.3mm/0.371ct, loose
Sale price¥12,800
Madagascar Blue Sapphire (Ice Blue) 0.694ct Loose
Sale price¥18,800
Madagascar pink sapphire 0.275ct loose stone
Sale price¥12,800
Madagascar Blue Sapphire (Ice Blue) 0.263ct Loose
Sale price¥12,800
Brazilian Paraiba Tourmaline in Quartz 4.3mm/0.292ct Loose Stone
Sale price¥12,800
Brazilian Paraiba Tourmaline in Quartz 4.5mm/0.328ct Loose Stone
Sale price¥12,800
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
Tanzanian Violet Spinel 0.541ct Loose Stone
Sale price¥9,800
![[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
0.242ct Tanzanian pink zoisite loose stone with gemological report
Sale price¥79,800
American Benitoite 3.5mm/0.192ct Loose Stone (Contains Minerals)
Sale price¥69,800
South African diamond rough stone 0.210ct
Sale price¥8,800
Madagascar Purple Sapphire 0.342ct Loose Stone
Sale price¥12,800
South African Diamond Rough (Sawable) 0.107ct Rough Trigon
Sale price¥42,800
Pakistani Veirinite 0.173ct loose stone with certificate
Sale price¥45,800
Pakistani Veirinite 0.157ct loose stone with certificate
Sale price¥39,800
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.