Rough diamond (makeable) 0.345ct loose (VS-SI equivalent)
Sale price¥29,800
Brazilian emerald 3.3mm/0.119ct loose
Sale price¥22,800
Prehnite 5.3mm/0.469ct loose
Sale price¥3,980
Orange zircon 0.453ct loose
Sale price¥3,980
Zircon 0.414ct loose
Sale price¥3,980
Brazilian emerald cat's eye 0.459ct loose
Sale price¥5,980
Paraiba tourmaline from Brazil 0.129ct loose (CuO:0.8%,MnO:0.1%)
Sale price¥48,800
Paraiba tourmaline from Brazil 0.101ct loose (CuO:0.9%,MnO:0.1%)
Sale price¥39,800
Blue tourmaline from Afghanistan 0.209ct loose
Sale price¥2,980
Blue tourmaline from Afghanistan 3.5mm/0.178ct loose
Sale price¥3,980
Yellow tourmaline 0.431ct loose stone
Sale price¥3,980
Color change sapphire 0.283ct loose
Sale price¥3,980
Color change sapphire 0.401ct loose
Sale price¥3,980
Bicolor Euclase from Zimbabwe 0.084ct loose
Sale price¥98,000
Bicolor Benitoite 0.194ct loose (square cut)
Sale price¥128,000
Bicolor tourmaline 0.549ct loose (rose cut)
Sale price¥8,800
Andalusite 5mm/0.480ct loose
Sale price¥3,980
[10/19 22:00 Sale] American Benitoite 0.165ct Loose Stone
Sale price¥59,800
[On Sale at 10pm on 10/22] Indian Iolite Sunstone 0.228ct Loose
Sale price¥6,980
[On Sale at 10pm on 10/22] Indian Iolite Sunstone 0.321ct Loose
Sale price¥8,800
[On Sale at 10pm on 10/23] Brazilian Aquamarine 0.334ct Loose Stone
Sale price¥6,980
![[On Sale at 10 PM on October 13th] Fancy Intense Purple Pink Diamond 0.021ct Loose (FANCY INTENSE PURPLE PINK, SI2)](http://store.karatz.jp/cdn/shop/files/P1251352_275c40a0-cb1b-4812-99ab-2befb2f5962f.jpg?v=1760187577&width=2795)
[10/13 22:00 Sale] American Benitoite 0.185ct Loose Stone
Sale price¥128,000
[10/13 22:00 Sale] American Benitoite 0.175ct Loose Stone
Sale price¥128,000
[10/12 22:00 Sale] Brazilian Paraiba Tourmaline 0.052ct Loose Stone
Sale price¥29,800
[10/12 22:00 Sale] Pigeon Blood Ruby 0.320ct Loose Stone AIGS
Sale price¥48,800
Parasitic Peridot 0.292ct Loose Stone
Sale price¥98,000
[10/18 22:00 Sale] Brazilian London Blue Topaz 0.415ct Loose
Sale price¥6,980
[10/17 22:00 Sale] Brazilian Morganite 0.484ct Loose Stone
Sale price¥12,800
[10/17 22:00 Sale] Brazilian Morganite 0.377ct Loose Stone
Sale price¥8,800
[10/17 22:00 Sale] Brazilian Aquamarine 0.428ct Loose Stone
Sale price¥8,800
[10/17 22:00 Sale] Sri Lankan Peristerite 0.272ct Loose Stone
Sale price¥11,000
[10/17 22:00 Sale] Padparadscha Sapphire 0.251ct Loose Stone Chuhokan
Sale price¥45,800
[10/17 22:00 Sale] Padparadscha Sapphire 0.376ct Loose Stone Chuhokan
Sale price¥55,800
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.