Brazil Indicolite Tourmaline 0.431ct Loose Gemstone with Certificate
Sale price¥29,800
Bicolor Andesine 6mm/0.756ct loose
Sale price¥12,800
Blue zircon 0.397ct loose stone
Sale price¥6,980
![[On Sale at 10 PM on December 5th] YAG (Yttrium Aluminum Garnet) 6.5mm/1.548ct Loose Stone](http://store.karatz.jp/cdn/shop/files/yag-65mm1548ct-257679.jpg?v=1764892582&width=1200)
0.542ct Loose Leuco Garnet from Myanmar, with certificate
Sale price¥39,800
2.275ct Australian Black Opal Loose Stone (Double Sided)
Sale price¥59,800
0.447ct Loose Chrysoberyl Cat's Eye from Sri Lanka
Sale price¥3,980
[12/6 22:00] Tanzanian Green Zoisite 0.435ct Loose Stone
Sale price¥12,800
Chrysoberyl cat's eye 0.904ct loose
Sale price¥12,800
Sphene from Madagascar 1.229ct loose
Sale price¥55,800
Bicolor sphene from Madagascar 1.242ct loose
Sale price¥49,800
Purple Diamond 0.070ct Loose (FANCY VIVID PINK PURPLE, I-1)
Sale price¥188,000
Kenyan Tsavorite 0.806ct Loose Stone
Sale price¥39,800
Sri Lankan star sapphire 5.066ct loose
Sale price¥69,800
![[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)
![[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)
![[12/7 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] 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
U.S. Peridot 5.1mm/0.573ct Loose
Sale price¥9,800
Sphene from Madagascar 1.853ct loose
Sale price¥24,800
Sphene from Madagascar 1.476ct loose
Sale price¥18,800
American benitoite 0.098ct loose
Sale price¥25,800
Madagascar Bekily Blue Garnet (Color Change Garnet) 0.221ct Loose Stone
Sale price¥22,800
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.189ct Loose Stone
Sale price¥18,800
Brazilian Paraiba Tourmaline 0.115ct Loose (CuO:2.0%, MnO:0.6%)
Sale price¥59,800
Parasitic Peridot 0.241ct Loose Stone, Japan-Germany Scale
Sale price¥98,000
Colombian Emerald 3.3mm/0.131ct Loose
Sale price¥25,800
Tanzanite from Tanzania 2.777ct loose stone
Sale price¥98,000
Rough diamond (sawable) 0.466ct rough diamond (with trigon)
Sale price¥98,000
Synthetic rutile 5mm/0.553ct loose stone
Sale price¥12,800
Paraiba tourmaline from Brazil 0.243ct loose
Sale price¥14,800
Mangano tantalite from Afghanistan 0.233ct loose
Sale price¥39,800
Sri Lankan bicolor sapphire 0.586ct loose stone
Sale price¥39,800
3.583ct Australian Black Opal Loose Stone (Double Sided)
Sale price¥29,800
Australian black opal 0.758ct loose stone
Sale price¥18,800
Colombian emerald 0.105ct loose
Sale price¥31,800
Brazilian Santa Maria Aquamarine 0.524ct Loose Stone
Sale price¥55,800
Zimbabwean Sphene 2.520ct Loose Gemstone
Sale price¥59,800
Zimbabwean sphene, 2.067ct loose
Sale price¥59,800
9.214ct Loose Kunzite from Afghanistan
Sale price¥45,800
Bicolor Benitoite 0.130ct loose (emerald cut)
Sale price¥65,800
Pakistani oil-in quartz 0.535ct loose
Sale price¥14,800
American Peridot 0.969ct Loose Stone
Sale price¥25,800
Zimbabwean sphene 7.0mm/1.661ct loose stone
Sale price¥59,800
Chrysoberyl cat's eye from Sri Lanka 0.340ct 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.