Star spinel from Myanmar 1.004ct loose
Sale price¥14,800
Synthetic Moissanite 13mm/8.154ct Loose Stone
Sale price¥39,800
Mexican cantera opal 34.760ct loose
Sale price¥39,800
[Dandelion cut] Danburite 7mm/1.364ct loose with patch
Sale price¥19,800
[Sakura Incut] Danburite 8.25mm/1.719ct《Collaboration》Loose with emblem
Sale price¥25,800
[Camellia Cut] Ametrine 11mm/4.207ct《Collaboration》Loose with patch
Sale price¥39,800
Yellow sapphire from Sri Lanka 6mm/0.962ct loose
Sale price¥18,800
Yellow sapphire from Sri Lanka 6mm/0.816ct loose
Sale price¥18,800
Bastnaesite from Pakistan 1.390ct loose
Sale price¥14,800
Ruby from Greenland 0.268ct loose with certificate
Sale price¥18,800
Pink sapphire from Greenland 0.336ct loose with certificate
Sale price¥9,800
Pink sapphire from Greenland 0.754ct loose with certificate
Sale price¥25,800
Pink sapphire from Greenland 4.3mm/0.465ct loose with certificate
Sale price¥6,980
Ruby 0.182ct loose
Sale price¥5,980
[8/8 22:00] Brazilian Aquamarine 0.627ct Loose Stone
Sale price¥6,980
[8/8 22:00] Brazilian Dumortierite in Quartz 1.117ct Loose Stone
Sale price¥8,800
Ice ruby (pink sapphire) from Greenland 0.416ct loose with certificate
Sale price¥18,800
[On Sale at 10 PM on August 9th] Madagascar Pink Sapphire 0.324ct Loose
Sale price¥12,800
[On Sale at 10 PM on August 9th] Madagascar Sapphire 0.503ct Loose
Sale price¥15,800
![[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)
![[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)
Brazilian Paraiba tourmaline 0.229ct loose (CuO:0.8%, MnO:2.2%)
Sale price¥39,800
Pink tourmaline cat's eye 5.460ct loose
Sale price¥8,800
Andalusite from Sri Lanka 0.408ct loose
Sale price¥3,980
Brazilian rainbow scapolite 3mm/0.133ct loose (rose cut)
Sale price¥3,980
Labradorite 6mm/0.741ct loose (rose cut)
Sale price¥3,980
Andalusite from Sri Lanka 0.361ct loose
Sale price¥3,980
![[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 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 10pm on August 10th] Australian Prehnite 1.527ct Loose Stone
Sale price¥12,800
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.