Pink spinel 3.208ct loose
Sale price¥98,000
[11/16 22:00 Sale] Synthetic Rutile 1.407ct Loose Stone
Sale price¥18,800
[11/16 22:00 Sale] Synthetic Rutile 1.020ct Loose Stone
Sale price¥18,800
[11/16 22:00 Sale] Synthetic Rutile 3.637ct Loose Stone
Sale price¥29,800
[11/17 22:00 Sale] Sri Lankan Green Zircon 0.734ct Loose
Sale price¥12,800
[11/22 22:00] Sri Lankan Hessonite Garnet 1.968ct Loose Stone
Sale price¥12,800
[11/16 22:00 Sale] Brazilian Andalusite 7.656ct Loose Stone
Sale price¥158,000
[11/14 22:00 Sale] Brazilian Rose Amethyst 0.793ct Loose Stone
Sale price¥15,800
[11/14 22:00 Sale] Afghanistan Kunzite 3.973ct Loose Stone
Sale price¥12,800
Brazilian bicolor tourmaline 2.047ct loose
Sale price¥29,800
[12544901 published] Bicolor sapphire 1.000ct loose
Sale price¥15,800
[12544897 published] Bicolor sapphire 1.341ct loose
Sale price¥29,800
[12544888 published] Bicolor sapphire 0.704ct loose
Sale price¥14,800
Colombian trapiche emerald (reverse trapiche) 0.170ct loose
Sale price¥12,800
Colombian trapiche emerald (reverse trapiche) 0.188ct loose
Sale price¥12,800
Colombian trapiche emerald (reverse trapiche) 0.093ct loose
Sale price¥7,980
Red beryl 0.173ct loose
Sale price¥29,800
Red beryl 0.136ct loose
Sale price¥25,800
Diamond 0.061ct loose (trapeze cut, VS class equivalent)
Sale price¥7,980
Diamond 0.042ct loose (trapeze cut, VS class equivalent)
Sale price¥6,980
Diamond 0.039ct loose (trapeze cut, equivalent to VS class)
Sale price¥5,980
Madeira Citrine 7mm/0.938ct loose
Sale price¥3,980
Bicolor tourmaline 22.088ct loose
Sale price¥298,000
Mexican Fire Opal 4.2mm/0.182ct Loose
Sale price¥8,800
Blue tourmaline from Afghanistan 4.5mm/0.326ct loose
Sale price¥7,980
Felspar 3.330ct loose from Sri Lanka
Sale price¥8,800
[11/10 22:00 Sale] Oil-free American red beryl 0.060ct loose GIA
Sale price¥128,000
[11/10 22:00 Sale] Silky Pink Sapphire from Madagascar 1.050ct Loose GIT
Sale price¥128,000
[11/10 22:00 Sale] Mozambique Ruby 3.4mm/0.139ct Loose
Sale price¥25,800
Colombian oil-free emerald 0.290ct loose GIA
Sale price¥188,000
![[On sale November 8th at 10pm] Limited to 4 stones: Carving Gacha (pink tourmaline, average 3.4 carats) 1 loose stone [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_6903d02a-b1e6-4076-9d6a-36218d0edbf1.png?v=1762565599&width=2250)
![[On sale November 8th at 10pm] Limited to 9 stones: Carving Gacha (Opal, Tourmaline, Tsavorite Garnet) 1 loose stone [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_3c1f4b82-5dc0-4183-a4c0-c9d7900fd6ab.png?v=1762565061&width=2250)
![[On sale November 8th at 10pm] Limited to 7 stones: One loose Indian iolite sunstone (custom cut by Sanjay) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_9489ef58-06e2-4a71-886b-462d8b67ca0d.png?v=1762564474&width=2250)
![[On sale November 8th at 10pm] Limited to 8 stones: Synthetic Alexandrite Loose Stone (Custom cut by Mr. Sanjay, Shield cut, Octagonal cut, etc.) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_f39b4280-e930-40c9-acc6-afe7cbefab9e.png?v=1762563420&width=2250)
Yellow sapphire from Madagascar 0.232ct loose
Sale price¥6,980
Yellow sapphire from Madagascar 0.207ct loose
Sale price¥6,980
Madagascar sapphire 0.205ct loose
Sale price¥7,980
[11/9 22:00 Sale] Ethiopian Sunstone 0.505ct Loose
Sale price¥8,800
[11/9 22:00 Sale] [Cat Cut] Thai Sapphire 5.255ct Loose
Sale price¥15,800
[12/3 22:00] Tanzanian Almandine Garnet 2.897ct Loose Stone
Sale price¥22,800
![[12/7 22:00] Chinese Cinnabar 1.062ct Loose Stone with Certificate of Authenticity](http://store.karatz.jp/cdn/shop/files/PB070084.jpg?v=1764030646&width=4000)
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.