Paraiba tourmaline from Brazil 0.129ct loose (CuO:0.8%,MnO:0.1%)
Sale price¥48,800
Paraiba tourmaline from Brazil 0.101ct loose (CuO:0.9%,MnO:0.1%)
Sale price¥39,800
Oregon Sunstone from the United States 2.731ct loose stone
Sale price¥39,800
Taaffeite from Myanmar 0.580ct Ruth Japanese German edition
Sale price¥49,800
Paraiba tourmaline from Brazil 0.211ct loose (CuO:0.6%,MnO:3.1%)
Sale price¥49,800
Rhodochrosite 0.527ct loose from Detroit City, USA
Sale price¥49,800
Rhodochrosite 0.516ct loose from Detroit City, USA
Sale price¥49,800
Brazilian bicolor tourmaline 3.291ct loose
Sale price¥39,800
Brazilian bicolor tourmaline 3.569ct loose
Sale price¥49,800
Brazilian pink euclase 0.091ct loose
Sale price¥39,800
Pink zoisite from Tanzania 0.536ct loose Japanese German edition
Sale price¥39,800
Ice blue sapphire 3.813ct loose
Sale price¥49,800
Tanzanite 1.360ct loose stone
Sale price¥49,800
Pyrope spessartine garnet (color change garnet) 1.707ct loose
Sale price¥45,800
Pyrope spessartine garnet (color change garnet) 1.297ct loose
Sale price¥39,800
Pyrope spessartine garnet (color change garnet) 1.234ct loose
Sale price¥35,800
Pyrope spessartine garnet (color change garnet) 1.171ct loose
Sale price¥35,800
[Colorful] K18 rock crystal pendant top (necklace top)
Sale price¥39,800
Euparite 193g
Sale price¥39,800
Yellow diamond 0.190ct loose (FANCY DEEP ORANGY YELLOW, SI2)
Sale price¥39,800
![[10/12 22:00 Sale] Pakistani Veirinite 0.145ct Loose Stone with Certificate of Authenticity](http://store.karatz.jp/cdn/shop/files/P3269069_711f8c0b-cf71-4b00-b2a6-23c63a32ec2f.jpg?v=1760067158&width=3162)
[10/12 22:00 Sale] Pigeon Blood Ruby 3.7mm/0.230ct Loose Stone AIGS
Sale price¥39,800
![[10/12 22:00 Sale] Pigeon Blood Ruby 0.320ct Loose Stone AIGS](http://store.karatz.jp/cdn/shop/files/P8214595_5dd833e9-551d-49c8-b63e-13d6fb853ea5.jpg?v=1760049498&width=2875)
[10/12 22:00 Sale] Pigeon Blood Ruby 0.320ct Loose Stone AIGS
Sale price¥48,800
![[Available at 10/12 22:00] 18K Yellow Gold Brazilian Santa Maria Aquamarine 0.284ct Pendant (Necklace)](http://store.karatz.jp/cdn/shop/files/P1016298_f5cbd9ee-df80-41bf-8dc4-086413f36646.jpg?v=1760001284&width=3194)
![[12560899] Russian Alexandrite 0.058ct Loose Stone](http://store.karatz.jp/cdn/shop/files/collage_dc6f5ee9-b354-49f5-b931-77e61feec3b1.png?v=1760143802&width=2250)
[12560899] Russian Alexandrite 0.058ct Loose Stone
Sale price¥49,800
Tanzanian bicolor sapphire 0.955ct loose stone
Sale price¥39,800
Lottery Sale 0908⑦_ [Takeshi Yamamoto] Rock Crystal 8.455ct Loose Stone
Sale price¥39,800
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.