Diaspore from Türkiye 0.636ct loose
Sale price¥9,800
Chinese aragonite 36.409ct loose with patch
Sale price¥5,980
Tourmaline cat's eye 0.910ct loose
Sale price¥4,980
Montebrasite 0.373ct loose
Sale price¥8,800
Unheated silky pink sapphire from Vietnam 0.247ct loose
Sale price¥8,800
Brazilian Medusa Quartz (Paraiba Quartz) 10.298ct loose
Sale price¥7,980
Brazilian Medusa Quartz (Paraiba Quartz) 5.809ct loose
Sale price¥6,980
Brazilian Medusa Quartz (Paraiba Quartz) 3.441ct loose
Sale price¥3,980
Brazilian Medusa Quartz (Paraiba Quartz) 2.757ct loose
Sale price¥3,980
Myanmar purple spinel 0.750ct loose
Sale price¥9,800
Sri Lankan Sinhalite 0.434ct Loose Stone
Sale price¥8,800
![[12/7 22:00] Brazilian Dumortierite in Quartz 16.250ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC052301_931dfc6c-1047-4bdf-821f-203298615d94.jpg?v=1765588004&width=2810)
[12/7 22:00] Brazilian Dumortierite in Quartz 16.250ct Loose Stone
Sale price¥9,800
U.S. Peridot 5.1mm/0.573ct Loose
Sale price¥9,800
Sinhalite from Sri Lanka 0.456ct loose stone
Sale price¥9,800
Tanzanian Chrome Tourmaline 0.164ct Loose Stone
Sale price¥9,800
![[12/7 22:00] American Peridot 0.385ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC052641_37df0278-4a00-4c48-9087-8187fb202890.jpg?v=1765587659&width=4000)
[12/7 22:00] American Peridot 0.385ct Loose Stone
Sale price¥8,800
![[12/9 22:00] Brazilian Lavender Quartz (Scorolite) 0.994ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC043009.jpg?v=1765631801&width=4000)
Synthetic quartz 0.430ct loose stone (synthetic green quartz)
Sale price¥6,980
![[12/10 22:00 Sale] Indian Moonstone 6.1mm/0.878ct Loose Stone (Rose Cut)](http://store.karatz.jp/cdn/shop/files/PC032133_305a91c4-6921-466f-b86b-6196b85216e3.jpg?v=1765630124&width=4000)
Brazilian Pink Tourmaline 5.0mm/0.484ct Loose Stone (Rose Cut)
Sale price¥8,800
Dendritic Agate 31.019ct Ruth Japanese/German
Sale price¥6,980
Australian boulder opal 6.980ct loose
Sale price¥6,980
Labradorite Moonstone 1.598ct Loose Stone Japanese-German
Sale price¥8,800
Brazilian Medusa Quartz (Paraiba Quartz) 3.919ct loose
Sale price¥6,980
Petalite 2.858ct loose
Sale price¥7,980
Diamond 0.052ct loose (trapeze cut, VS class equivalent)
Sale price¥6,980
Loose Tourmaline from Brazil, 0.270 ct
Sale price¥5,980
Brazilian Amethyst 0.256ct Loose Stone
Sale price¥8,800
Brazilian rose quartz 1.848ct loose stone
Sale price¥9,800
Sri Lankan Yellow Sapphire 0.182ct Loose
Sale price¥9,800
1.547ct Synthetic Sapphire Loose Stone (Synthetic Blue Sapphire)
Sale price¥9,800
Brazilian Rose Quartz 1.793ct Loose Stone
Sale price¥9,800
Brazilian rose quartz 2.167ct loose stone
Sale price¥9,800
Colombian emerald rough stone 7.924ct
Sale price¥9,800
[Option] Milling
Sale price¥6,600
Cornell pin from Tanzania 0.523ct loose
Sale price¥7,980
[Rouge cut] Almandine garnet 2.090ct loose
Sale price¥8,800
Blue zircon 0.397ct loose stone
Sale price¥6,980
Pink sapphire 0.225ct loose
Sale price¥6,980
YAG (Yttrium Aluminum Garnet) 7mm/1.775ct Loose Stone
Sale price¥9,800
Australian boulder opal 2.470ct loose
Sale price¥7,980
Pink tourmaline 0.516ct loose
Sale price¥5,980
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.