![[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)
【11/9 22時販売】コロンビア産ノンオイルエメラルド 0.290ctルース 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](http://store.karatz.jp/cdn/shop/files/PA305447_6eaca5f1-d16b-4208-8509-27fec37cb15a.jpg?v=1762131959&width=2937)
[11/3 22:00 Sale] Colombian Emerald 0.176ct Loose
Sale price¥59,800
![[11/3 22:00] Colombian Emerald 0.126ct Loose](http://store.karatz.jp/cdn/shop/files/PA305375_305f5999-88b2-4c02-beb7-44bb0cef29e1.jpg?v=1762131959&width=2455)
[11/3 22:00] Colombian Emerald 0.126ct Loose
Sale price¥49,800
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
![[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)
![[On Sale at 10 PM on October 12th] [Limited to 7 stones] One loose, oil-free emerald from Russia (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)
[12551692] Colombian Trapiche Emerald 0.538ct Rough Stone
Sale price¥22,800
Colombian emerald cat's eye 0.190ct loose
Sale price¥15,800
Colombian mica in emerald 1.314ct loose
Sale price¥39,800
Trapiche emerald 0.650ct loose (reverse trapiche)
Sale price¥6,980
[On Sale at 10 PM on September 11th] Colombian Emerald 0.222ct Loose
Sale price¥59,800
[On Sale at 10 PM on September 19th] Colombian Emerald 0.101ct Loose
Sale price¥15,800
![[On sale at 10 PM on September 6th] Limited to 8 stones: Kite cut loose stone (Illusion Sunstone, Sapphire, Emerald, Spessartine Garnet, etc.) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_8c850970-c583-472d-8dd5-c539c04f5dbb.png?v=1756979760&width=2000)
Emerald 15.219ct loose Japanese-German book
Sale price¥298,000
[On sale at 10pm on September 4th] Zambian emerald 0.119ct loose stone
Sale price¥12,800
[On sale at 10pm on September 6th] Russian emerald 0.249ct loose stone
Sale price¥158,000
[On sale at 10pm on September 6th] Russian emerald 0.269ct loose stone
Sale price¥79,800
[12560252] Zambian emerald 0.138ct loose stone
Sale price¥8,800
Colombian emerald cat's eye 0.112ct loose
Sale price¥9,800
Colombian emerald cat's eye 0.094ct loose
Sale price¥8,800
Colombian emerald cat's eye 0.417ct loose
Sale price¥39,800
Russian oil-free emerald 0.570ct loose stone GIA
Sale price¥298,000
![[On Sale at 10 PM on August 11th] Afghanistan Oil-Free Emerald 0.100ct Loose GIA](http://store.karatz.jp/cdn/shop/files/P7111592_98142a6f-80c3-4a13-a3fb-bec4bd6d515a.jpg?v=1754698988&width=2102)
![[On Sale at 10 PM on August 11th] 0.060ct Loose GIA Emerald from Madagascar, No Oil](http://store.karatz.jp/cdn/shop/files/P7111504_2a68ed93-d0a2-40e9-bf36-967ced39df1c.jpg?v=1754697292&width=2156)
[On Sale at 10 PM on August 7th] Colombian Emerald Rough Stone 6.590ct
Sale price¥15,800
[12541081 published] Emerald 9.380ct rough stone
Sale price¥4,980
[Posted 12541074] Emerald 77.265ct rough stone
Sale price¥6,980
Colombian trapiche emerald (reverse trapiche) 0.107ct rough stone
Sale price¥9,800
Colombian emerald cat's eye 0.834ct loose
Sale price¥39,800
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.