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 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
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
Aquamarine 68.040ct loose
Sale price¥39,800
[12560252] Zambian emerald 0.138ct loose stone
Sale price¥8,800
Diamond 0.054ct loose (VS class equivalent, emerald cut)
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
Red beryl 0.187ct loose
Sale price¥29,800
Morganite 0.960ct loose (Asscher cut)
Sale price¥9,800
Aquamarine 0.940ct loose stone
Sale price¥8,800
Red beryl 0.166ct loose
Sale price¥49,800
Colombian emerald cat's eye 0.417ct loose
Sale price¥39,800
Brazilian Rainbow Aquamarine (Iridescent Aquamarine) 3.188ct Loose Stone
Sale price¥15,800
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)
![[Available at 10 PM on August 14th] [Limited to 10 stones] Brazilian Santa Maria Aquamarine Loose Stone [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010244_bcc49139-ef12-4373-ab57-65a246bbdbeb.jpg?v=1755049700&width=4000)
![[Available from 10/8] [Limited to 7 stones] Brazilian Santa Maria Aquamarine Loose Stone [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010216_202f7339-09bc-46f1-9dcd-7ec0e44b5b2e.jpg?v=1754619579&width=4000)
[8/8 22:00] Brazilian Aquamarine 0.627ct Loose Stone
Sale price¥6,980
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.