![[12561705] Colombian Trapiche Emerald 2.318ct Loose](http://store.karatz.jp/cdn/shop/files/PC105337_e39d1703-b14f-4f9f-a6ca-66e084772758.jpg?v=1767139580&width=3038)
[12561705] Colombian Trapiche Emerald 2.318ct Loose
Sale price¥158,000
![[12561701] Australian black opal 0.825ct loose](http://store.karatz.jp/cdn/shop/files/PC104603.jpg?v=1767104206&width=4000)
[12561701] Australian black opal 0.825ct loose
Sale price¥69,800
![[12561698] Sri Lankan Star Sapphire 11.342ct Loose](http://store.karatz.jp/cdn/shop/files/PC104916.jpg?v=1767139824&width=4000)
[12561698] Sri Lankan Star Sapphire 11.342ct Loose
Sale price¥69,800
![[12/19 22:00 Sale] Madagascar Bicolor Sapphire 4.5mm/0.637ct Loose](http://store.karatz.jp/cdn/shop/files/PC093451.jpg?v=1766099374&width=4000)
![[12/19 22:00 Sale] Madagascar Bicolor Sapphire 3.6mm/0.232ct Loose](http://store.karatz.jp/cdn/shop/files/PC093361_cb3d810e-734e-4b87-a145-ee00b9282808.jpg?v=1765933327&width=2815)
![[12/19 22:00 Sale] Brazilian Dumortierite in Quartz 1.995ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC093289.jpg?v=1765933121&width=4000)
![[12/17 22:00] Brazilian Dumortierite in Quartz 1.924ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC093131.jpg?v=1765758430&width=4000)
![[Available at 10 PM on December 13th] Limited to 9 stones: Australian Black Opal (including semi-black opal) Loose Stone Gacha (Includes 1 bonus white opal) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_49cd177f-5e60-4b58-a9ce-7d57e5ac3901.png?v=1765431388&width=2250)
![[12561452] Synthetic sapphire 2.393ct loose stone](http://store.karatz.jp/cdn/shop/files/PC240349_7b32e96f-e6e1-40c1-a8df-2ca3e00b09d5.jpg?v=1767308435&width=3146)
[12561452] Synthetic sapphire 2.393ct loose stone
Sale price¥15,800
![[12561451] Synthetic sapphire 1.547ct loose stone](http://store.karatz.jp/cdn/shop/files/PC240315_4091c662-36e7-4879-9811-fc79c07c9ceb.jpg?v=1767308181&width=2815)
[12561451] Synthetic sapphire 1.547ct loose stone
Sale price¥9,800
Sri Lankan Chrysoberyl Cat's Eye 1.340ct Loose Stone
Sale price¥8,800
![[On sale at 10 PM on November 24th] [Limited to 7 stones] Sri Lankan Star Sapphire (Loose) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/PB200371_c3076d59-ddd4-44cd-a2bc-c2c13f78b6f3.jpg?v=1763819038&width=3268)
[Posted in 12545297] Multi-star garnet from Sri Lanka 4.209ct loose
Sale price¥98,000
![[12543545 published] Non-oil emerald 0.510ct loose](http://store.karatz.jp/cdn/shop/files/P6095155_97466828-4631-4e90-b4ca-7ff6f8853a18.jpg?v=1686868907&width=3464)
[12543545 published] Non-oil emerald 0.510ct loose
Sale price¥498,000
![[On sale at 10 PM on November 15th] Limited to 8 stones: 1 loose Brazilian ametrine (concave cut, average 10 carats) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/PB130286.jpg?v=1763173719&width=4000)
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.