![[On sale 10/26 at 10 PM] {3 stones left} Ruby Loose Gacha: Win a 0.59ct Pigeon Blood Ruby with AIGS or a Burmese Star Ruby {Multiple purchase discounts available}](http://store.karatz.jp/cdn/shop/files/20_352b9b8a-2afa-4889-bbf4-5d56d09e3eb4.png?v=1760762243&width=4000)
![[On sale 10/19 at 10 PM] {Limited to 10 stones} Paraiba Tourmaline Gacha 💎 Paraiba Tourmaline or Paraiba Tourmaline in Quartz (1 loose stone) {Multiple purchase discounts available}](http://store.karatz.jp/cdn/shop/files/18_261a657f-9dba-46a6-9a8b-1805ad2c5b57.png?v=1760745196&width=4000)
![[On Sale at 10 PM on October 12th] [Limited to 7 stones] One loose, oil-free emerald from Russia (1.5-1.6mm, step cut) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/P1010795_07720c8f-f8df-4c94-9f93-deb3d7382fb6.jpg?v=1760090374&width=4000)
[On sale from 10/28 at 10pm] Rhodolite Garnet 1.270ct Loose Stone
Sale price¥7,980
[On Sale at 10pm on 10/28] Brazilian Citrine 1.659ct Loose Stone
Sale price¥9,800
[On Sale at 10pm on 10/28] Brazilian Citrine 1.644ct Loose Stone
Sale price¥9,800
[11/1 22:00 Sale] Brazilian Elestial Amethyst 0.970ct Loose Stone
Sale price¥7,980
[11/1 22:00 Sale] Brazilian Elestial Amethyst 0.762ct Loose Stone
Sale price¥8,800
[11/1 22:00 Sale] Brazilian Elestial Amethyst 1.586ct Loose Stone
Sale price¥8,800
[On Sale at 10pm on 10/28] Indian Moss Agate 0.915ct Loose Stone
Sale price¥8,800
[On Sale at 10 PM on 10/28] Mexican Fire Opal 4.8mm/0.199ct Loose
Sale price¥8,800
Sunstone (Illusion Sunstone) 0.844ct Loose
Sale price¥8,800
Sunstone (Illusion Sunstone) 0.895ct loose stone
Sale price¥8,800
Pink zircon 0.508ct loose
Sale price¥6,980
Brazilian emerald cat's eye 0.459ct loose
Sale price¥5,980
Lepidocrocite in Quartz 1.227ct Loose Stone
Sale price¥9,800
Lepidocrocite in quartz 0.692ct loose
Sale price¥8,800
Madagascar Apatite 0.763ct Loose Stone
Sale price¥6,980
Bicolor tourmaline 0.669ct loose (rose cut)
Sale price¥8,800
Bicolor tourmaline 0.549ct loose (rose cut)
Sale price¥8,800
Rose quartz 18.410ct loose (pineapple cut)
Sale price¥5,980
[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 10/22] Brazilian Amethyst 5.883ct Loose
Sale price¥9,800
[On Sale at 10pm on 10/23] Brazilian Aquamarine 0.334ct Loose Stone
Sale price¥6,980
[10/12 22:00 Sale] Sri Lankan Star Sapphire 1.093ct 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.