Sealight 2.666ct loose
Sale price¥18,800
Mexican Topaz 1.50ct Loose
Sale price¥9,800
Bangkacha sapphire (star sapphire) 69.655ct loose
Sale price¥148,000
Russian demantoid garnet (horsetail recognized) 5.3mm/0.633ct loose
Sale price¥198,000
Unheated Pigeon Blood Ruby 0.300ct Loose
Sale price¥79,800
[On Sale at 10 PM on September 11th] Colombian Emerald 0.222ct Loose
Sale price¥59,800
[Sold at 10 PM on September 12th] Ethiopian Opal 6.6mm/0.635ct Loose
Sale price¥9,800
0.276ct loose hot pink spinel from Myanmar
Sale price¥19,800
[September 12th at 10pm] Brazilian Aquamarine 0.223ct Loose Stone
Sale price¥8,800
Pink tourmaline 0.391ct loose
Sale price¥4,980
Pigeon Blood Ruby 0.590ct Loose AIGS
Sale price¥55,800
Purple spinel 0.424ct loose (rose cut)
Sale price¥6,980
Russian demantoid garnet (horsetail recognized) 5.8mm/0.876ct loose
Sale price¥258,000
Spinel 0.545ct loose (rose cut)
Sale price¥6,980
Fire opal 1.360ct loose
Sale price¥9,800
[Cat cut] Blue green tourmaline 5.5mm loose
Sale price¥8,800
Bicolor tourmaline 3.277ct loose
Sale price¥9,800
Paudlettite 0.375ct loose Japanese-German book
Sale price¥298,000
Particolor tourmaline 32.207ct loose (tricolor tourmaline)
Sale price¥398,000
Watermelon tourmaline 44.201ct Ruth Japanese-German book
Sale price¥398,000
Paraiba tourmaline from Brazil 0.134ct loose (CuO:0.8%, MnO:2.3%)
Sale price¥25,800
Mexican fire agate 3.613ct loose
Sale price¥15,800
Green sapphire 7.545ct loose (spade cut)
Sale price¥59,800
Russian demantoid garnet (horsetail recognized) 4.6mm/0.423ct loose
Sale price¥79,800
Mexican fire agate 5.519ct loose
Sale price¥12,800
Mexican Danburite 1.612ct loose stone (phantom cut)
Sale price¥8,800
Russian demantoid garnet (horsetail recognized) 4.4mm/0.394ct loose
Sale price¥69,800
Mexican Danburite 1.515ct loose stone (phantom cut)
Sale price¥8,800
Zimbabwean Bicolor Euclase 0.183ct Loose Stone
Sale price¥49,800
![[On sale at 10pm on September 15th] Pakistani Peridot 0.408ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P8083840_cdc67d99-d6ba-48ce-bdbb-e4cd38b8eed5.jpg?v=1757725346&width=3041)
![[On sale at 10pm on September 15th] Pakistani Peridot 0.376ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P8083708_29811ebf-a491-487b-99a6-7bd63725243e.jpg?v=1757725346&width=2550)
![[On Sale at 10 PM on September 14th] Mexican Hyalite Opal 6.1mm/0.652ct Loose](http://store.karatz.jp/cdn/shop/files/collage_34b5d1b8-6bc5-48fb-9ca5-3944313a240e.png?v=1757727531&width=2250)
[On sale at 10pm on September 18th] 1.476ct loose sphalerite from Spain
Sale price¥29,800
[On Sale at 10 PM on September 19th] Colombian Emerald 0.101ct Loose
Sale price¥15,800
[Sold at 10 PM on September 19th] Blue Sapphire 4.0mm/0.314ct Loose
Sale price¥112,800
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.