Colombian trapiche emerald (reverse trapiche) 0.196ct loose
Sale price¥22,800
Colombian trapiche emerald (reverse trapiche) 0.108ct loose
Sale price¥13,800
Colombian trapiche emerald (reverse trapiche) 0.144ct loose
Sale price¥18,800
Spanish Andalusite 0.317ct loose stone
Sale price¥8,800
Andalusite 0.293ct loose stone
Sale price¥6,980
Andalusite 0.192ct loose stone
Sale price¥4,980
Colombian trapiche emerald (reverse trapiche) 0.170ct loose
Sale price¥15,800
Colombian trapiche emerald (reverse trapiche) 0.188ct loose
Sale price¥18,800
Red beryl 0.173ct loose
Sale price¥38,800
Red beryl 0.136ct loose
Sale price¥29,800
Red beryl 0.131ct loose
Sale price¥28,800
Yellow sapphire from Madagascar 0.232ct loose
Sale price¥7,980
Yellow sapphire from Madagascar 0.207ct loose
Sale price¥7,980
Madagascar sapphire 0.205ct loose
Sale price¥9,800
Green sapphire from Madagascar 0.199ct loose
Sale price¥7,980
Yellow sapphire from Madagascar 0.181ct loose
Sale price¥5,980
Ice blue sapphire from Madagascar 0.181ct loose
Sale price¥7,980
Bicolor tourmaline 0.397ct loose
Sale price¥8,800
Blue Topaz 4.5mm/0.422ct Loose
Sale price¥3,980
Paraiba tourmaline from Brazil 0.211ct loose (CuO:0.6%,MnO:3.1%)
Sale price¥49,800
Lavender spinel 0.305ct loose
Sale price¥7,980
Bicolor Benitoite 0.282ct loose
Sale price¥220,000
Brazilian blue tourmaline 0.376ct loose
Sale price¥8,800
Paraiba tourmaline from Brazil 0.144ct loose (CuO:0.9%,MnO:2.8%)
Sale price¥55,800
Bekily Blue Garnet from Madagascar (color change garnet) 0.346ct loose
Sale price¥25,800
Ruby 0.194ct loose
Sale price¥8,800
[On sale at 10pm on September 22nd] Tanzanian Ruby 0.472ct Loose
Sale price¥5,980
Spinel from Sri Lanka 0.276ct loose
Sale price¥4,980
Cornerpine 0.400ct rough stone
Sale price¥2,980
Cornelpine 0.490ct rough stone
Sale price¥2,980
Diamond 0.348ct loose (I, SI1)
Sale price¥59,800
Pink diamond 0.191ct loose (VERY LIGHT ORANGY PINK, SI2)
Sale price¥59,800
Yellow diamond 0.190ct loose (FANCY DEEP ORANGY YELLOW, SI2)
Sale price¥39,800
[12552511] Pink diamond 0.296ct loose stone
Sale price¥188,000
[Posted in 12543590] Tagtupite from Greenland 0.420ct loose
Sale price¥198,000
![[Posted in 32501467] Brown Diamond (Treatment) 0.169ct Loose (FANCY RED BROWN, VS2)](http://store.karatz.jp/cdn/shop/files/P5237584_7e2fd310-2752-4f89-8099-bbc30cf74b00.jpg?v=1760831984&width=4000)
Unheated Brazilian Color Change Paraiba Tourmaline 0.30ct Loose GIA
Sale price¥1,280,000
Bicolor sapphire 0.292ct loose
Sale price¥22,800
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.