Purple sapphire 0.220ct loose
Sale price¥3,980
Purple sapphire 0.240ct loose
Sale price¥4,980
Burmese red spinel 0.418ct loose
Sale price¥55,800
Sphene 0.590ct loose
Sale price¥3,980
Sunstone Scapolite 1.510ct loose
Sale price¥12,800
0.466ct Saffron Loose Stone with Certificate of Authenticity
Sale price¥37,800
Royal blue sapphire 1.220ct loose stone
Sale price¥298,000
Padparadscha sapphire 0.220ct loose stone
Sale price¥34,800
Cornflower blue sapphire 0.490ct loose stone
Sale price¥98,000
1.483ct blue sapphire loose stone
Sale price¥98,000
[12560244] Bicolor Zoisite 0.508ct Loose Stone
Sale price¥7,980
[12560246] Green Zoisite 1.316ct Loose Stone
Sale price¥15,800
Red spinel 0.346ct loose stone
Sale price¥22,800
Padparadscha sapphire 0.200ct loose
Sale price¥29,800
Bicolor sapphire 0.334ct loose
Sale price¥9,800
Bicolor sapphire 0.149ct loose
Sale price¥6,980
Bicolor sapphire 0.323ct loose
Sale price¥9,800
White sapphire 0.537ct loose
Sale price¥15,800
White sapphire 0.464ct loose
Sale price¥9,800
White sapphire 0.418ct loose
Sale price¥12,800
Yellow sapphire 0.385ct loose
Sale price¥9,800
White sapphire 0.364ct loose
Sale price¥9,800
White sapphire 0.271ct loose
Sale price¥7,980
White sapphire 0.212ct loose
Sale price¥6,980
White sapphire 4.5mm/0.462ct loose
Sale price¥9,800
White sapphire 4.5mm/0.414ct loose
Sale price¥12,800
White sapphire 0.338ct loose
Sale price¥9,800
Brazilian citrine 1.337ct loose stone
Sale price¥3,980
Violet spinel 0.514ct loose stone
Sale price¥6,980
Purple spinel 0.825ct loose stone
Sale price¥5,980
Zircon 0.654ct loose stone
Sale price¥8,800
[8/16 22:00 Sale] Sri Lankan Yellow Sapphire 0.300ct Loose
Sale price¥15,800
![[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)
[8/10 22:00 Sale] Myanmar Red Spinel 0.174ct Loose
Sale price¥8,800
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.