![[Available at 10 PM on December 20th] Limited to 11 Stones: Montana Sapphire (Rock Creek Mine) Gacha! 1 Loose Stone (Oval Cut, 5x3mm) [Multiple Purchase Discounts Available]](http://store.karatz.jp/cdn/shop/files/PC160083.jpg?v=1766185425&width=4000)
![[Available at 10 PM on December 20th] Limited Edition of 7 Montana Sapphires (Rock Creek Mine) Gacha (Pear Shape, Approx. 5 x 3mm) [Multiple Purchase Discounts Available]](http://store.karatz.jp/cdn/shop/files/PC160141.jpg?v=1766185869&width=4000)
![[Sale at 10 PM on December 20th] [Limited to 6 stones] Brazilian Pyrite in Quartz Loose Stone (Average 3.2 carats) [Multiple purchase discounts available]](http://store.karatz.jp/cdn/shop/files/collage_b9e9b6ce-b87d-411c-a44c-3a67ddfaa555.png?v=1766359287&width=2250)
![[On sale until 10 PM] Limited to 10 stones: Yamamoto Cut Gacha, featuring carnelian, lemon quartz, rock crystal, and more. Discounts available for multiple purchases.](http://store.karatz.jp/cdn/shop/files/1_955659c7-bb8f-4263-af29-7d0064fd22c4.png?v=1765352106&width=4000)
Mint green sapphire 0.348ct loose
Sale price¥9,800
Mint color tourmaline 0.198ct loose
Sale price¥4,980
Mint color tourmaline 0.229ct loose
Sale price¥4,980
Pink tourmaline 0.205ct loose
Sale price¥4,980
Bicolor sapphire from Madagascar 0.252ct loose
Sale price¥9,800
Bicolor sapphire from Madagascar 0.259ct loose
Sale price¥4,980
Bicolor sapphire from Madagascar 0.198ct loose
Sale price¥7,980
Bicolor sapphire from Madagascar 0.212ct loose
Sale price¥7,980
Yellow sapphire from Sri Lanka 0.222ct loose
Sale price¥9,800
Dendritic Agate 2.964ct loose
Sale price¥8,800
Diaspore from Türkiye 0.636ct loose
Sale price¥9,800
Chinese aragonite 36.409ct loose with patch
Sale price¥5,980
Brazilian Trapichea Amethyst 24.772ct loose with patch
Sale price¥6,980
Tourmaline cat's eye 0.910ct loose
Sale price¥4,980
Danburite 1.427ct loose stone
Sale price¥3,980
Aquamarine cat's eye 3.528ct loose
Sale price¥3,980
Mexican fire agate 3.800ct loose
Sale price¥5,980
Unheated silky pink sapphire from Vietnam 0.197ct loose
Sale price¥8,800
Unheated silky pink sapphire from Vietnam 0.247ct loose
Sale price¥8,800
Brazilian Medusa Quartz (Paraiba Quartz) 10.298ct loose
Sale price¥7,980
Brazilian Medusa Quartz (Paraiba Quartz) 5.809ct loose
Sale price¥6,980
Brazilian Medusa Quartz (Paraiba Quartz) 3.441ct loose
Sale price¥3,980
Brazilian Medusa Quartz (Paraiba Quartz) 2.757ct loose
Sale price¥3,980
Brazilian dumortierite in quartz 4.592ct loose
Sale price¥9,800
![[12/14 22:00 Sale] Sinhalite from Sri Lanka 0.434ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC042876_e32782ec-71d9-4219-831e-f676d640c7b7.jpg?v=1765631378&width=3094)
[12/14 22:00 Sale] Sinhalite from Sri Lanka 0.434ct Loose Stone
Sale price¥8,800
![[12/7 22:00] Brazilian Dumortierite in Quartz 16.250ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC052301_931dfc6c-1047-4bdf-821f-203298615d94.jpg?v=1765588004&width=2810)
[12/7 22:00] Brazilian Dumortierite in Quartz 16.250ct Loose Stone
Sale price¥9,800
![[12/14 22:00] American Peridot 5.1mm/0.573ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC053143_201007ec-4094-4045-9e7d-646a2b3c9fa8.jpg?v=1765586545&width=4000)
[12/14 22:00] American Peridot 5.1mm/0.573ct Loose Stone
Sale price¥9,800
![[12/14 22:00 Sale] Madagascar Iolite 0.644ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC053013_ab992616-8e18-49ec-93bb-62a31d9884fe.jpg?v=1765586334&width=2920)
[12/14 22:00 Sale] Madagascar Iolite 0.644ct Loose Stone
Sale price¥7,980
![[12/14 22:00 Sale] Sinhalite from Sri Lanka 0.456ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC052997_6b6c8e49-83c0-4f54-8710-4f1d4875d5bd.jpg?v=1765586106&width=3191)
[12/14 22:00 Sale] Sinhalite from Sri Lanka 0.456ct Loose Stone
Sale price¥9,800
![[12/14 22:00] Brazilian Yellow Beryl 0.913ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC052923_b87467a6-d08c-4b40-a579-b64ebb94e8e8.jpg?v=1765586665&width=4000)
[12/14 22:00] Brazilian Yellow Beryl 0.913ct Loose Stone
Sale price¥8,800
![[12/14 22:00 Sale] Tanzanian Chrome Tourmaline 0.164ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC052891_aecd87ce-1d9c-485d-a210-a7cf06aa82c6.jpg?v=1765587023&width=3151)
[12/14 22:00 Sale] Tanzanian Chrome Tourmaline 0.164ct Loose Stone
Sale price¥9,800
![[On Sale at 10 PM on December 7th] Madagascar Andesine Labradorite Moonstone (also known as Rainbow Moonstone) 0.178ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC052855_857b4320-efea-4ef8-b2dc-ff8f43f91566.jpg?v=1765587147&width=2968)
![[12/7 22:00] American Peridot 0.385ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC052641_37df0278-4a00-4c48-9087-8187fb202890.jpg?v=1765587659&width=4000)
[12/7 22:00] American Peridot 0.385ct Loose Stone
Sale price¥8,800
![[12/9 22:00] Brazilian Lavender Quartz (Scorolite) 0.994ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC043009.jpg?v=1765631801&width=4000)
![[12/9 22:00 Sale] Sinhalite from Sri Lanka 0.658ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC042918_2697ab93-670d-4b82-a046-48a4a6dae96e.jpg?v=1765631495&width=2928)
[12/9 22:00 Sale] Sinhalite from Sri Lanka 0.658ct Loose Stone
Sale price¥9,800
![[12/12 22:00 Sale] Synthetic Quartz 0.430ct Loose Stone (Synthetic Green Quartz)](http://store.karatz.jp/cdn/shop/files/PC032362.jpg?v=1765630883&width=4000)
![[12/10 22:00 Sale] Pakistani Ludwigite Peridot 0.609ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC032326.jpg?v=1765630680&width=4000)
[12/10 22:00 Sale] Pakistani Ludwigite Peridot 0.609ct Loose Stone
Sale price¥6,980
![[12/10 22:00 Sale] Indian Moonstone 6.1mm/0.878ct Loose Stone (Rose Cut)](http://store.karatz.jp/cdn/shop/files/PC032133_305a91c4-6921-466f-b86b-6196b85216e3.jpg?v=1765630124&width=4000)
![[12/14 22:00] Brazilian Pink Tourmaline 5.0mm/0.484ct Loose Stone (Rose Cut)](http://store.karatz.jp/cdn/shop/files/PC032029.jpg?v=1765629696&width=4000)
![[12/12 22:00 Sale] Synthetic Opal 0.856ct Loose (Synthetic Water Opal)](http://store.karatz.jp/cdn/shop/files/PC032188.jpg?v=1765630279&width=4000)
Dendritic Agate 31.019ct Ruth Japanese/German
Sale price¥6,980
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.