![[12/17 22:00 Sale] Russian Demantoid Garnet (Horsetail Certified) 4.2mm/0.325ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PA109804.jpg?v=1765801778&width=4000)
![[12/14 22:00 Sale] Sinhalite from Sri Lanka 0.434ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC042876_e32782ec-71d9-4219-831e-f676d640c7b7.jpg?v=1765631378&width=3094)
[12/14 22:00 Sale] Sinhalite from Sri Lanka 0.434ct Loose Stone
Sale price¥8,800
![[12/14 22:00 Sale] Mexican Water Opal (Faceted) 0.402ct Loose (Contrarus Opal)](http://store.karatz.jp/cdn/shop/files/PC053113_031d7fb9-8286-4089-8c27-bd81021684f7.jpg?v=1765586419&width=4000)
![[12/14 22:00 Sale] Sinhalite from Sri Lanka 0.456ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC052997_6b6c8e49-83c0-4f54-8710-4f1d4875d5bd.jpg?v=1765586106&width=3191)
[12/14 22:00 Sale] Sinhalite from Sri Lanka 0.456ct Loose Stone
Sale price¥9,800
![[12/14 22:00 Sale] Tanzanian Chrome Tourmaline 0.164ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC052891_aecd87ce-1d9c-485d-a210-a7cf06aa82c6.jpg?v=1765587023&width=3151)
[12/14 22:00 Sale] Tanzanian Chrome Tourmaline 0.164ct Loose Stone
Sale price¥9,800
![[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)
![[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] 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
![[12/13 22:00 Sale] Sri Lankan Yellow Sapphire 0.343ct Loose](http://store.karatz.jp/cdn/shop/files/PC052779.jpg?v=1765587289&width=4000)
[12/13 22:00 Sale] Sri Lankan Yellow Sapphire 0.343ct Loose
Sale price¥12,800
![[12/12 22:00 Sale] Synthetic Quartz 0.430ct Loose Stone (Synthetic Green Quartz)](http://store.karatz.jp/cdn/shop/files/PC032362.jpg?v=1765630883&width=4000)
![[12/14 22:00] Brazilian Pink Tourmaline 5.0mm/0.484ct Loose Stone (Rose Cut)](http://store.karatz.jp/cdn/shop/files/PC032029.jpg?v=1765629696&width=4000)
![[12/16 22:00 Sale] Sri Lankan Yellow Sapphire 0.170ct Loose](http://store.karatz.jp/cdn/shop/files/PC052497_8d01ae1d-df4a-445b-93cc-9dfe45a33753.jpg?v=1765757396&width=2729)
[12/16 22:00 Sale] Sri Lankan Yellow Sapphire 0.170ct Loose
Sale price¥12,800
![[12/16 22:00 Sale] Sri Lankan Yellow Sapphire 0.182ct Loose](http://store.karatz.jp/cdn/shop/files/PC052463_2ea7a367-cd92-45ff-8363-772d7c4d65a9.jpg?v=1765757397&width=2502)
[12/16 22:00 Sale] Sri Lankan Yellow Sapphire 0.182ct Loose
Sale price¥9,800
![[12/14 22:00] Indian Moonstone 5.1mm/0.426ct Loose Stone (Rose Cut)](http://store.karatz.jp/cdn/shop/files/PC032082.jpg?v=1765629901&width=4000)
[12/14 22:00] Indian Moonstone 5.1mm/0.426ct Loose Stone (Rose Cut)
Sale price¥6,980
[On Sale 11/29 10pm] Greenland Ruby 0.253ct Loose Stone with Certificate
Sale price¥49,800
[On Sale 11/29 10pm] Greenland Ruby 0.266ct Loose Stone with Certificate
Sale price¥22,800
[12/2 22:00] Greenland Sapphire 0.133ct Loose Stone with Certificate
Sale price¥14,800
[On Sale 11/26 10pm] Tanzanian Bicolor Sapphire 0.380ct Loose (Teal)
Sale price¥18,800
[11/16 22:00 Sale] Brazilian Blue Anatase 0.424ct Loose Stone
Sale price¥49,800
Colombian oil-free emerald 0.290ct loose GIA
Sale price¥188,000
[11/22 22:00] Afghanistan Hackmanite 0.177ct Loose Stone
Sale price¥14,800
[On Sale 11/8 at 10pm] Russian Demantoid Garnet 0.192ct Loose Stone
Sale price¥79,800
[11/2 22:00 Sale] Sri Lankan Blue Sapphire 0.187ct Loose
Sale price¥29,800
[11/2 22:00] American Peridot 0.283ct Loose Stone
Sale price¥8,800
[11/2 22:00 Sale] Tanzanian Blue Zoisite 0.473ct Loose Stone
Sale price¥9,800
[On Sale 11/2 at 10pm] Madagascar Bicolor Sapphire 0.266ct Loose
Sale price¥16,800
[On Sale 11/2 at 10pm] Zimbabwean Sphene 4.7mm/0.400ct Loose Stone
Sale price¥9,800
[On Sale 11/2 at 10 PM] Mexican Opal 0.233ct Loose (Faceted)
Sale price¥12,800
[11/2 22:00] Brazilian mint-colored emerald 0.491ct loose stone
Sale price¥15,800
[On Sale 11/1 at 10pm] Tanzanian Kornerupine 0.324ct Loose Stone
Sale price¥29,800
[On Sale 11/1 at 10pm] Madagascar Bicolor Sapphire 0.318ct Loose
Sale price¥25,800
[On Sale 11/23 10pm] Colombian Oil-Free Emerald 0.220ct Loose GIA
Sale price¥298,000
[11/3 22:00 Sale] Colombian Emerald 0.176ct Loose
Sale price¥59,800
[11/3 22:00] Colombian Emerald 0.126ct Loose
Sale price¥49,800
[11/14 22:00 Sale] Madagascar Pezzottaite 0.198ct Loose Stone
Sale price¥15,800
Russian Demantoid Garnet (Horsetail) 3.8mm/0.280ct Loose Stone
Sale price¥49,800
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.