![[Available 9/23 at 10 PM] Australian Black Opal 0.175ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P9170129_53bbdeaa-5a2d-4251-90c6-cfd21587a46a.png?v=1790115620&width=3048)
[Available 9/23 at 10 PM] Australian Black Opal 0.175ct Loose Stone
Sale price¥12,800
[Available 9/23 at 10:00 PM] Sri Lankan Moonstone 1.440ct Loose Gemstone
Sale price¥15,800
[Available 9/22, 10 PM] Unheated Pigeon Blood Ruby 0.310ct Loose AIGS
Sale price¥49,800
![[On sale 9/23 at 22:00] <4 stones only> Brazilian moss green beryl loose stone (emerald cut, avg. 1.2ct) <multi-buy discount available></multi-buy>](http://store.karatz.jp/cdn/shop/files/collage_6ad1e36e-d240-4bed-a041-9f2d3fbfe70c.png?v=1790085541&width=2000)
![[Available 9/19 at 10 PM] <9 sets only> Rainbow Garnet rough & loose stone set from Tenkawa, Nara (includes one hexagonal pyrite) <multi-buy discount available></multi-buy>](http://store.karatz.jp/cdn/shop/files/collage_cd4257ff-d56b-4a88-afea-4f8021373440.png?v=1789690859&width=2000)
![[Available 9/18 at 10 PM] 《Limited to 13 stones》 Afghanite loose stone from Afghanistan (average 2.0ct, cabochon cut) 《Multiple purchase discount available》](http://store.karatz.jp/cdn/shop/files/P9090022_b426f920-6e41-4c28-91f2-f251010a6755.jpg?v=1789261468&width=4000)
[Lottery Sale 0818_12] Loose 0.251ct Red Beryl (USA) with Certificate
Sale price¥98,000
[Posted on 12564085] Brazilian Spessartine Garnet 1.592ct Loose
Sale price¥39,800
[Available 9/22, 10 PM] Colombian Emerald 0.150ct Loose Stone
Sale price¥12,800
Brazilian parti-color tourmaline 2.702ct loose stone
Sale price¥69,800
[9/18 10 PM Sale] Brazilian Goshenite 4.3mm/0.376ct Loose Gemstone
Sale price¥6,980
[Available 9/19 at 10 PM] Mexican Cantera Opal 24.256ct Loose Stone
Sale price¥69,800
[Available 9/19 at 10 PM] Oregon Sunstone 1.002ct Loose Gemstone
Sale price¥6,980
[Available 9/19 at 10 PM] Mexican Fire Agate 5.272ct Loose Stone
Sale price¥9,800
[Available 9/20 at 10:00 PM] Synthetic Alexandrite 0.716ct Loose Stone
Sale price¥15,800
[Available 9/20 at 10 PM] Synthetic Alexandrite 0.657ct Loose Stone
Sale price¥14,800
[On sale 9/20 at 10 PM] Indian Black Moonstone 0.882ct Loose Stone
Sale price¥8,800
【Available 9/22, 10:00 PM】 Colombian Emerald 0.078ct Loose Gemstone
Sale price¥18,800
[Available 9/22, 10 PM] Malawi Moonstone 3.677ct Loose Gemstone
Sale price¥19,800
[9/22, 10 PM Sale] Malawi Moonstone 4.333ct Loose Gemstone
Sale price¥19,800
[9/23 10 PM Sale] Mexican Fire Opal 0.824ct Loose Gemstone
Sale price¥12,800
![[Available 9/23 at 10 PM] Tanzanian Almandine Garnet 1.267ct Loose Gemstone](http://store.karatz.jp/cdn/shop/files/P9171300_44d75608-d205-455a-971a-d815a3f3c56c.jpg?v=1790115924&width=2877)
[Available Sept. 21, 10:00 PM] Colombian Emerald 0.267ct Loose Gemstone
Sale price¥39,800
[Available 9/21, 10:00 PM] Colombian Emerald 0.152ct Loose Gemstone
Sale price¥25,800
【Available 9/21, 10 PM】 Zambian Emerald 0.199ct Loose Gemstone
Sale price¥9,800
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.