[On Sale 2/21 10pm] Oregon Sunstone from the USA, 7.1mm/1.308ct Loose
Sale price¥19,800
![[On Sale 2/26 at 10 PM] Brown Diamond 0.174ct Loose Stone (FANCY DARK BROWN, SI-2)](http://store.karatz.jp/cdn/shop/files/P2197672_395a255a-76e0-479c-af4c-03929a1e0db1.jpg?v=1771852819&width=2548)
![[On Sale 2/26 10pm] Tanzanian Color Change Garnet 0.607ct Loose](http://store.karatz.jp/cdn/shop/files/collage_23aa7d81-7ff0-4b22-bf24-8d63e0d43146.png?v=1772013670&width=2250)
[On Sale 2/26 10pm] Tanzanian Color Change Garnet 0.607ct Loose
Sale price¥11,000
![[On Sale 2/26 10pm] Tanzanian Color Change Garnet 0.509ct Loose](http://store.karatz.jp/cdn/shop/files/collage_608cadfb-6072-4f03-91ef-b619a431be2e.png?v=1772013670&width=2250)
[On Sale 2/26 10pm] Tanzanian Color Change Garnet 0.509ct Loose
Sale price¥9,800
![[On Sale 2/26 10pm] Sri Lankan Hessonite Garnet 6.5mm/1.353ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P2198901_2653a534-bde7-436f-9c59-a4324c74d815.jpg?v=1772013670&width=2851)
![[On Sale at 10 PM on 2/26] Sri Lankan Hessonite Garnet 0.441ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P2198891.jpg?v=1772013762&width=4000)
![[On Sale at 10 PM on 2/26] Tanzanian Yellow Zircon 0.835ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P2198787.jpg?v=1772013822&width=4000)
![[Sakura In-Cut] Oregon Sunstone from the United States, 6.0mm/0.638ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC251299.jpg?v=1770501485&width=4000)
![[On Sale 2/14 10pm] Sri Lankan Hessonite Garnet 1.674ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P2060660_16f7f660-e3da-479c-b9f0-ca919d5ac3e6.jpg?v=1770988747&width=3030)
[On Sale 2/14 10pm] Sri Lankan Hessonite Garnet 1.674ct Loose Stone
Sale price¥15,800
![[On Sale 2/13 at 10pm] Cambodian Zircon 2.495ct Loose](http://store.karatz.jp/cdn/shop/files/20260201_P2058373_97488f6f-67da-48a0-8925-b40c198e70d0.jpg?v=1770766981&width=3206)
[On Sale 2/13 at 10pm] Cambodian Zircon 2.495ct Loose
Sale price¥22,800
![[On Sale 2/8 at 10pm] Australian Iron Opal 17.439ct Loose](http://store.karatz.jp/cdn/shop/files/P2036650.jpg?v=1770506812&width=4000)
[On Sale 2/8 at 10pm] Australian Iron Opal 17.439ct Loose
Sale price¥18,800
![[On Sale 2/8 at 10pm] Australian Boulder Opal 6.152ct Loose](http://store.karatz.jp/cdn/shop/files/P2036602.jpg?v=1770506281&width=4000)
[On Sale 2/8 at 10pm] Australian Boulder Opal 6.152ct Loose
Sale price¥18,800
![[On Sale 2/8 at 10pm] 8.338ct Oregon Sunstone Loose Stone from the USA](http://store.karatz.jp/cdn/shop/files/P9090730_31cd7167-f869-475d-b06d-e42d8f77bf7b.jpg?v=1770416904&width=3102)
[On Sale 2/8 at 10pm] 8.338ct Oregon Sunstone Loose Stone from the USA
Sale price¥158,000
![[Sale at 10 PM on 2/8] [Sakura Shape] 1.224ct Loose Oregon Sunstone from the United States](http://store.karatz.jp/cdn/shop/files/PC251136.jpg?v=1769224082&width=4000)
![[Sakura In-Cut] Madagascar Sphene 6.0mm/0.865ct Loose Stone [Available at 10 PM on February 8th]](http://store.karatz.jp/cdn/shop/files/PC251416.jpg?v=1767749854&width=4000)
Pakistani Axinite 0.500ct loose stone (green tint)
Sale price¥12,800
Synthetic Moissanite 8.417ct Loose Stone
Sale price¥49,800
Tourmaline 0.731ct loose
Sale price¥5,980
![[On Sale 2/7 at 10 PM] Brown Diamond 5.2mm/0.561ct Loose Stone (FANCY DARK BROWN, SI2)](http://store.karatz.jp/cdn/shop/files/P1306036.jpg?v=1770005858&width=4000)
![[On Sale 2/17 at 10pm] 2.160ct Loose Oregon Sunstone from the USA](http://store.karatz.jp/cdn/shop/files/P1220829.jpg?v=1771107170&width=4000)
[On Sale 2/17 at 10pm] 2.160ct Loose Oregon Sunstone from the USA
Sale price¥24,800
![[On Sale at 10 PM on January 26th] 1.519ct Loose Oregon Sunstone from the United States](http://store.karatz.jp/cdn/shop/files/P1220704.jpg?v=1769301196&width=4000)
![[On Sale at 10 PM on January 24th] Sri Lankan Hessonite Garnet 0.530ct Loose](http://store.karatz.jp/cdn/shop/files/P1212380_40f68eb9-8ecc-44ae-a4da-f70f7ee1254f.jpg?v=1769170384&width=2617)
![[On Sale at 10 PM on January 23rd] Zimbabwean Sphene 7.0mm/1.661ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P1011753.jpg?v=1768998585&width=4000)
![[On Sale at 10 PM on January 25th] Brazilian Imperial Topaz 0.939ct Loose Stone with Certificate of Authenticity](http://store.karatz.jp/cdn/shop/files/P1200794.jpg?v=1769241421&width=4000)
![[On Sale at 10 PM on January 25th] Brazilian Imperial Topaz 0.901ct Loose Stone with Certificate of Authenticity](http://store.karatz.jp/cdn/shop/files/P1200846.jpg?v=1769145712&width=4000)
![[On Sale at 10 PM on January 21st] Rainbow Garnet (Andradite Garnet) 6.7mm/1.488ct Loose Stone from Tenkawa Village, Nara Prefecture](http://store.karatz.jp/cdn/shop/files/PC042544_6ede3236-d3e4-44d5-a190-93898fe1bd84.jpg?v=1765631000&width=4000)
![[On sale at 10pm on January 20th] Zimbabwean sphene 2.067ct loose stone](http://store.karatz.jp/cdn/shop/files/P1149525.jpg?v=1768773538&width=4000)
[On sale at 10pm on January 20th] Zimbabwean sphene 2.067ct loose stone
Sale price¥59,800
![[On sale at 10pm on January 20th] Zimbabwean sphene 2.520ct loose stone](http://store.karatz.jp/cdn/shop/files/P1149599.jpg?v=1768773538&width=4000)
[On sale at 10pm on January 20th] Zimbabwean sphene 2.520ct loose stone
Sale price¥59,800
![[On sale at 10 PM on January 12th] [Takeshi Yamamoto] Brazilian Dendritic Quartz 25.875ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P1088181.jpg?v=1768172825&width=4000)
Mexican Fire Agate 14.193ct Loose Stone
Sale price¥69,800
Sri Lankan Sinhalite 0.434ct Loose Stone
Sale price¥8,800
![[On Sale at 10 PM on January 16th] Madagascar Sphene 6.0mm/0.868ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC251388.jpg?v=1768345502&width=4000)
![[On Sale at 10 PM on January 10th] Mexican Cantera Opal 8.432ct Loose](http://store.karatz.jp/cdn/shop/files/PC094449.jpg?v=1767824877&width=4000)
[On Sale at 10 PM on January 10th] Mexican Cantera Opal 8.432ct Loose
Sale price¥39,800
Mexican Cantera Opal 9.166ct Loose
Sale price¥69,800
Oregon Sunstone from the United States, 4.678ct loose stone
Sale price¥69,800
2.594ct loose Oregon sunstone from the United States
Sale price¥39,800
Oregon Sunstone from the United States, 0.530ct loose stone
Sale price¥15,800
Brazilian Blue Anatase 0.424ct Loose Stone
Sale price¥49,800
Synthetic rutile 1.681ct loose stone
Sale price¥18,800
Sri Lankan saffron 0.738ct loose stone
Sale price¥98,000
1.967ct loose andalusite from Madagascar
Sale price¥29,800
Oregon Sunstone from the United States, 6.0mm/0.754ct loose stone
Sale price¥18,800
Brazilian citrine 5.4mm/0.769ct loose stone
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.