【10/5 22時販売】ブラジル産アクアマリン 8.858ctルース
Sale price¥198,000
Aquamarine 1.574ct loose stone
Sale price¥9,800
【9/28 22時販売】ノンオイルレッドベリル 0.200ctルース GIA
Sale price¥168,000
【9/28 22時販売】ナイジェリア産モルガナイト 1.149ctルース
Sale price¥19,800
Pt950 Benitoite 0.10ct Aquamarine Blue Diamond Ring
Sale price¥89,800
Colombian mica in emerald 1.314ct loose
Sale price¥39,800
Red beryl 0.173ct loose
Sale price¥29,800
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
Red beryl 0.181ct loose
Sale price¥29,800
![[On sale at 10 PM on September 13th] Limited to 8 stones: Mini Kite Cut Loose Stone (Includes 2 Paraiba Tourmalines, Green Beryl, Ruby, Peridot, etc.) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/2ce9f9727de9532a55237668af9f2b6d_9dbca62e-a627-41af-833b-5b9486008221.png?v=1757210739&width=4000)
![[Available at 10 PM on August 30th] Limited to 8 stones: One loose Brazilian rainbow aquamarine (average 0.9 carat, pear cut) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_9316de3e-a74f-47cf-b228-cb256a0050fc.png?v=1756458978&width=2000)
![[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 September 5th] [Limited to 7 stones] One loose, oil-free emerald from Russia (1.6-1.7mm, princess cut) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010159_ecbbab61-43da-45d3-aec5-d55f86bceafd.jpg?v=1756978823&width=3465)
[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)
Red beryl 0.109ct loose
Sale price¥18,800
Red beryl 0.098ct loose
Sale price¥18,800
Emerald 15.219ct loose Japanese-German book
Sale price¥298,000
Red beryl 0.310ct loose
Sale price¥39,800
![[Dandelion cut] Morganite 7mm/1.02ct loose with patch](http://store.karatz.jp/cdn/shop/files/102ct-439651.jpg?v=1756849922&width=1200)
[Dandelion cut] Morganite 7mm/1.02ct loose with patch
Sale price¥49,800
[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
Aquamarine 15mm/10.190ct loose
Sale price¥69,800
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.