South African yellow diamond (makeable) 0.159ct rough stone
Sale price¥12,800
Pyrite in quartz 15.971ct loose
Sale price¥12,800
Pyrite in quartz 34.864ct loose
Sale price¥24,800
Alexandrite cat's eye from Sri Lanka 0.947ct loose
Sale price¥18,800
![[On sale at 10pm on January 29th] 0.258ct loose ruby](http://store.karatz.jp/cdn/shop/files/P5302328_9d2c942e-60d5-4803-a8dd-c7bc5eb905d5.jpg?v=1769563574&width=2826)
[On sale at 10pm on January 29th] 0.258ct loose ruby
Sale price¥12,800
Mexican fire agate 19.730ct loose
Sale price¥19,800
Paraiba tourmaline from Brazil 0.129ct loose (Cu:0.6%,MnO:0.9%)
Sale price¥29,800
Green tourmaline 1.258ct loose
Sale price¥29,800
![[On Sale 2/2 at 10pm] Colombian Emerald 3.1mm/0.093ct Loose](http://store.karatz.jp/cdn/shop/files/P1263072_270eaf1d-f6f9-4284-a4d7-720c4eb4d637.jpg?v=1769861296&width=2921)
[On Sale 2/2 at 10pm] Colombian Emerald 3.1mm/0.093ct Loose
Sale price¥22,800
Bekiri Blue Garnet (Color Change Garnet) from Madagascar, 0.183ct Loose
Sale price¥18,800
![[12557610] Mexican Fire Opal (Faceted) 0.218ct Loose](http://store.karatz.jp/cdn/shop/files/P1273185.jpg?v=1771105593&width=4000)
[12557610] Mexican Fire Opal (Faceted) 0.218ct Loose
Sale price¥14,800
![[12558151] Afghanistan diaspore 0.239ct loose stone](http://store.karatz.jp/cdn/shop/files/P1273249_658f3b2a-b116-4952-9313-a6ed79d3b690.jpg?v=1771106303&width=3111)
[12558151] Afghanistan diaspore 0.239ct loose stone
Sale price¥15,800
![[12559523] Tanzanite from Tanzania 0.417ct loose stone](http://store.karatz.jp/cdn/shop/files/P1273766_c1003d78-0776-40fb-84bf-3f70bcdb6c5e.jpg?v=1770381897&width=3014)
[12559523] Tanzanite from Tanzania 0.417ct loose stone
Sale price¥12,800
Tanzanian Lavender Tanzanite 0.391ct Loose Stone
Sale price¥12,800
![[12559880] Kenyan Tsavorite 0.347ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P1283986_84ee4e63-93f5-440f-ba4e-53ab50060a9e.jpg?v=1770381707&width=2852)
[12559880] Kenyan Tsavorite 0.347ct Loose Stone
Sale price¥29,800
![[12559919] Tanzanian Zoisite 0.689ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P1305780.jpg?v=1770005340&width=4000)
[12559919] Tanzanian Zoisite 0.689ct Loose Stone
Sale price¥18,800
Tanzanian Rhodolite Garnet 4.393ct Loose Stone
Sale price¥29,800
Tanzanian Rhodolite Garnet 4.174ct Loose Stone
Sale price¥29,800
Tanzanite 0.311ct loose stone from Tanzania
Sale price¥12,800
![[On Sale 2/3 at 10pm] Tanzanian Sunstone 1.477ct Loose](http://store.karatz.jp/cdn/shop/files/P1306364.jpg?v=1770006977&width=4000)
[On Sale 2/3 at 10pm] Tanzanian Sunstone 1.477ct Loose
Sale price¥15,800
Paraiba tourmaline from Brazil 0.097ct loose
Sale price¥22,800
Oregon Sunstone from the United States, 0.498ct loose stone
Sale price¥15,800
American red beryl 0.047ct loose stone
Sale price¥13,800
American red beryl 0.111ct loose stone
Sale price¥29,800
Bicolor Grossular Garnet 0.316ct Loose Stone
Sale price¥22,800
![[On Sale 2/4 at 10pm] Cambodian Blue Zircon 1.126ct Loose](http://store.karatz.jp/cdn/shop/files/P1306676.jpg?v=1770036000&width=4000)
[On Sale 2/4 at 10pm] Cambodian Blue Zircon 1.126ct Loose
Sale price¥18,800
![[On Sale 2/4 at 10pm] Mozambique Pink Spinel 0.227ct Loose](http://store.karatz.jp/cdn/shop/files/P1306713.jpg?v=1770036000&width=4000)
[On Sale 2/4 at 10pm] Mozambique Pink Spinel 0.227ct Loose
Sale price¥12,800
![[On Sale 2/4 at 10pm] Mexican Fire Opal 0.362ct Loose](http://store.karatz.jp/cdn/shop/files/P1306794.jpg?v=1770035999&width=4000)
[On Sale 2/4 at 10pm] Mexican Fire Opal 0.362ct Loose
Sale price¥15,800
![[12561193] Mozambique rubellite 0.933ct loose stone](http://store.karatz.jp/cdn/shop/files/P1306898.jpg?v=1770295695&width=4000)
[12561193] Mozambique rubellite 0.933ct loose stone
Sale price¥25,800
![[On Sale 2/4 at 10pm] Indian Parrot Chrysoberyl 4.2mm/0.347ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P1306936.jpg?v=1770035850&width=4000)
![[On Sale 2/4 at 10pm] Indian Parrot Chrysoberyl 4.5mm/0.375ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P1306968.jpg?v=1770035849&width=4000)
![[On Sale 2/4 at 10pm] Australian Prehnite 2.779ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P1307009.jpg?v=1770035849&width=4000)
[On Sale 2/4 at 10pm] Australian Prehnite 2.779ct Loose Stone
Sale price¥12,800
![[On Sale 2/4 at 10pm] Tibetan Andesine 0.348ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P1307037.jpg?v=1770008752&width=4000)
[On Sale 2/4 at 10pm] Tibetan Andesine 0.348ct Loose Stone
Sale price¥12,800
![[12561265] Mongolian Color Change Andesine 0.882ct Loose Stone](http://store.karatz.jp/cdn/shop/files/collage_18fb8c90-d367-443a-ba86-88c67b5a37ff.png?v=1770295694&width=2250)
[12561265] Mongolian Color Change Andesine 0.882ct Loose Stone
Sale price¥19,800
![[On Sale 2/4 at 10pm] Madagascar Grandidierite 0.097ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P1307069_b0e2821e-a8ef-42b8-9a9e-a6dc23621a41.jpg?v=1770035849&width=3058)
[On Sale 2/4 at 10pm] Madagascar Grandidierite 0.097ct Loose Stone
Sale price¥29,800
![[12561273] Tanzanian Kornerupine 0.336ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P1307135_ae2dd15d-5e9c-4d78-9051-5bcaac89a9db.jpg?v=1770242204&width=3224)
[12561273] Tanzanian Kornerupine 0.336ct Loose Stone
Sale price¥22,800
![[12561274] Kenyan Idocrase 0.650ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P1307227.jpg?v=1770242202&width=4000)
[12561274] Kenyan Idocrase 0.650ct Loose Stone
Sale price¥12,800
![[12561291] Nepalese Bicolor Kyanite 0.742ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P1307325_a79e34f7-ccdf-416c-b3ca-9ef12ff02679.jpg?v=1770242202&width=3173)
[12561291] Nepalese Bicolor Kyanite 0.742ct Loose Stone
Sale price¥18,800
![[12561301] Brazilian Yellow Beryl 1.473ct Loose Stone](http://store.karatz.jp/cdn/shop/files/P1307335_82b4dea1-06a1-4be1-a285-c753de4527e9.jpg?v=1770242202&width=2710)
[12561301] Brazilian Yellow Beryl 1.473ct Loose Stone
Sale price¥22,800
![[On Sale at 10 PM on February 5th] Tanzanite from Tanzania, 4.5mm/0.390ct Loose Stone, AIGS](http://store.karatz.jp/cdn/shop/files/P1294653.jpg?v=1769919541&width=4000)
Green tourmaline 2.007ct loose
Sale price¥29,800
Rubellite 0.549ct loose
Sale price¥19,800
Mexican Opal 0.790ct Loose (Contrarus Opal, Faceted Cut)
Sale price¥18,800
Mexican Fire Opal 0.564ct Loose (Faceted Cut)
Sale price¥12,800
Colombian trapiche emerald (reverse trapiche) 0.457ct rough stone
Sale price¥25,800
![[On Sale 2/1 at 10pm] Mexican Fire Opal 0.281ct Loose](http://store.karatz.jp/cdn/shop/files/P1221546.jpg?v=1769816142&width=4000)
[On Sale 2/1 at 10pm] Mexican Fire Opal 0.281ct Loose
Sale price¥15,800
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.