![[On sale November 3rd at 10pm] [Limited to 14 stones] One loose Russian oil-free emerald (2.1mm, square cut) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010751_b01a2802-d699-455c-a4e7-3df36f637eb8.jpg?v=1762075075&width=4000)
Aventurine Aquamarine Cat's Eye 1.567ct Loose
Sale price¥4,980
![[On Sale at 10 PM on November 20th] Brazilian Yellow Beryl 9.747ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PB120157_5e0eebed-3311-4aae-a224-fffb035f832e.jpg?v=1763263459&width=3366)
![[On Sale at 10 PM on November 16th] Oil-Free Red Beryl from the United States, 2.5mm/0.050ct Loose, GIA](http://store.karatz.jp/cdn/shop/files/P9128483_849a773f-f206-4634-8de4-90908fba6055.jpg?v=1763251276&width=1248)
Colombian trapiche emerald (reverse trapiche) 0.196ct loose
Sale price¥15,800
Colombian trapiche emerald (reverse trapiche) 0.094ct loose
Sale price¥9,800
Red Beryl 2.9mm/0.096ct loose
Sale price¥25,800
Red beryl 0.173ct loose
Sale price¥29,800
Red beryl 0.136ct loose
Sale price¥25,800
Red beryl 0.131ct loose
Sale price¥19,800
[11/10 22:00 Sale] Oil-free American red beryl 0.060ct loose GIA
Sale price¥128,000
Colombian oil-free emerald 0.290ct loose GIA
Sale price¥188,000
[11/2 22:00] Brazilian mint-colored emerald 0.491ct loose stone
Sale price¥15,800
[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
Vietnamese aquamarine 0.544ct loose stone
Sale price¥9,800
Vietnamese aquamarine 0.729ct loose stone
Sale price¥8,800
Vietnamese aquamarine 0.574ct loose stone
Sale price¥8,800
![[Jeweler's Tools] Limited Edition Chelsea Color Filter Emerald 2-Piece Set](http://store.karatz.jp/cdn/shop/files/collage_057412df-b83f-456f-b7c8-ff5d87550e46.png?v=1743666005&width=4000)
![Limited to 7 stones: One loose, oil-free Russian emerald (1.5-1.6mm, step cut) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010795_07720c8f-f8df-4c94-9f93-deb3d7382fb6.jpg?v=1760090374&width=4000)
Brazilian emerald 3.3mm/0.119ct loose
Sale price¥22,800
Brazilian emerald cat's eye 0.459ct loose
Sale price¥5,980
Colombian pyrite in emerald 7.836ct loose
Sale price¥398,000
Brazilian Aquamarine 0.334ct Loose Stone
Sale price¥6,980
Brazilian Morganite 0.484ct loose stone
Sale price¥12,800
Brazilian Morganite 0.377ct loose stone
Sale price¥8,800
Brazilian Aquamarine 0.428ct Loose Stone
Sale price¥8,800
Russian Emerald 0.387ct Loose Stone (F1, Minor Enhancement) GIA
Sale price¥128,000
Russian Emerald 0.282ct Loose Stone (F1, Minor Enhancement) GIA
Sale price¥128,000
[12551692] Colombian Trapiche Emerald 0.538ct Rough Stone
Sale price¥22,800
Brazilian Aquamarine 8.858ct Loose Stone
Sale price¥198,000
Aquamarine 1.574ct loose stone
Sale price¥9,800
Vietnamese aquamarine 1.728ct loose stone
Sale price¥18,800
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.