Dendritic Agate 31.019ct Ruth Japanese/German
Sale price¥6,980
Spanish bicolor sphalerite 6.230ct loose
Sale price¥69,800
Bicolor Zoisite 0.581ct loose
Sale price¥12,800
Brazilian green tourmaline 0.821ct loose stone
Sale price¥12,800
Synthetic Opal 0.856ct Loose (Synthetic Water Opal)
Sale price¥8,800
Brazilian Dumortierite in Quartz 1.131ct Loose Stone
Sale price¥12,800
Brazilian Pink Tourmaline 5.0mm/0.484ct Loose Stone (Rose Cut)
Sale price¥8,800
![[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)
Synthetic quartz 0.430ct loose stone (synthetic green quartz)
Sale price¥6,980
![[12/6 22:00] Myanmar Spinel in Marble 61.204ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC021311.jpg?v=1766550405&width=4000)
[12/6 22:00] Myanmar Spinel in Marble 61.204ct Loose Stone
Sale price¥12,800
![[12/6 22:00] Mexican Fire Agate 17.936ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC021199_98c04cf1-2ef2-44a9-a405-eab37dc46f5e.jpg?v=1766550208&width=4000)
[12/6 22:00] Mexican Fire Agate 17.936ct Loose Stone
Sale price¥49,800
![[On Sale at 10 PM on December 9th] American Peridot 0.855ct Loose Stone (Lily Pad Inclusions)](http://store.karatz.jp/cdn/shop/files/PC042970.jpg?v=1765631710&width=4000)
![[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)
Sri Lankan Yellow Sapphire 0.343ct Loose
Sale price¥12,800
![[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
![[12/7 22:00] Brazilian Rubellite 0.332ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC052669.jpg?v=1765587579&width=4000)
[12/7 22:00] Brazilian Rubellite 0.332ct Loose Stone
Sale price¥12,800
![[12/7 22:00] Tanzanian Zoisite 1.312ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC052795_87a82d9b-570c-4ae4-b889-ab9a76d6a0c7.jpg?v=1765587236&width=3276)
[12/7 22:00] Tanzanian Zoisite 1.312ct Loose Stone
Sale price¥18,800
![[On Sale at 10 PM on December 7th] Madagascar Andesine Labradorite Moonstone (also known as Rainbow Moonstone) 0.178ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC052855_857b4320-efea-4ef8-b2dc-ff8f43f91566.jpg?v=1765587147&width=2968)
Tanzanian Chrome Tourmaline 0.164ct Loose Stone
Sale price¥9,800
Brazilian Yellow Beryl 0.913ct Loose Stone
Sale price¥8,800
Blue beryl (Mashish beryl) 3.268ct loose stone
Sale price¥25,800
Sinhalite from Sri Lanka 0.456ct loose stone
Sale price¥9,800
![[12/7 22:00 Sale] Mexican Egg-in Opal 0.381ct Loose](http://store.karatz.jp/cdn/shop/files/PC053061_853dfbb9-2bb5-4b4f-abbd-aef4b76d3dd5.jpg?v=1766553969&width=4000)
[12/7 22:00 Sale] Mexican Egg-in Opal 0.381ct Loose
Sale price¥18,800
Mexican Water Opal (Faceted) 0.402ct Loose (Contrarus Opal)
Sale price¥12,800
American Peridot 5.1mm/0.573ct Loose Stone
Sale price¥9,800
![[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
Sri Lankan Sinhalite 0.434ct Loose Stone
Sale price¥8,800
Russian Demantoid Garnet (Horsetail) 4.2mm/0.325ct Loose Stone
Sale price¥59,800
Sri Lankan Zircon Cat's Eye 23.767ct Loose
Sale price¥398,000
Bicolor chrysoberyl from Madagascar 1.520ct loose
Sale price¥18,800
Bicolor chrysoberyl from Madagascar 1.003ct loose
Sale price¥14,800
Bicolor chrysoberyl from Madagascar 1.753ct loose
Sale price¥25,800
Sphene from Madagascar 1.853ct loose
Sale price¥24,800
Tanzanian orange zircon 3.804ct loose
Sale price¥35,800
Brazilian Medusa Quartz (Paraiba Quartz) 2.757ct loose
Sale price¥3,980
Brazilian Medusa Quartz (Paraiba Quartz) 3.441ct loose
Sale price¥3,980
Brazilian Medusa Quartz (Paraiba Quartz) 5.809ct loose
Sale price¥6,980
Brazilian Medusa Quartz (Paraiba Quartz) 10.298ct loose
Sale price¥7,980
Unheated silky pink sapphire from Vietnam 0.247ct loose
Sale price¥8,800
Bicolor Zoisite 1.210ct loose
Sale price¥15,800
Sphene from Madagascar 1.476ct loose
Sale price¥18,800
Tourmaline cat's eye 0.910ct loose
Sale price¥4,980
Chinese aragonite 36.409ct loose with patch
Sale price¥5,980
Brazilian kyanite in quartz 4.770ct loose
Sale price¥12,800
Brazilian kyanite in quartz 13.740ct loose
Sale price¥29,800
Diaspore from Türkiye 0.636ct loose
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.