Mexican Topaz 1.66ct Loose Stone
Sale price¥18,800
Afghanistan Clinozoisite 1.810ct Loose Stone (Phantom Cut)
Sale price¥14,800
Mexican Topaz 1.50ct Loose
Sale price¥15,800
Mexican Danburite 1.515ct loose stone (phantom cut)
Sale price¥12,800
Sillimanite from Sri Lanka 1.586ct loose stone
Sale price¥12,800
Brazilian Paraiba tourmaline 0.065ct loose (CuO:2.0%, MnO:2.6%)
Sale price¥25,800
Mexican Danburite 1.981ct loose stone (phantom cut)
Sale price¥14,800
Paraiba tourmaline from Brazil 0.086ct loose (CuO:1.5%, MnO:2.3%)
Sale price¥19,800
Mexican Danburite 1.859ct loose stone (phantom cut)
Sale price¥14,800
Bicolor star sapphire from Myanmar 1.190ct loose (pink sapphire)
Sale price¥29,800
Silky pink spinel from Mozambique 0.610ct loose
Sale price¥29,800
Oligoclase Sunstone 26.660ct rough stone
Sale price¥19,800
Pink tourmaline 1.404ct loose stone
Sale price¥19,800
Bicolor pink star sapphire from Mogok 0.360ct loose
Sale price¥24,800
Sierra Leone sapphire 1.470ct loose
Sale price¥14,800
YAG (yttrium aluminum garnet) 1.792ct loose
Sale price¥12,800
![[Koshu precious stone Kiriko plusthree] Light citrine 2.490ct loose with patch](http://store.karatz.jp/cdn/shop/products/PA047853.jpg?v=1749164731&width=4000)
Leuko garnet from Myanmar 0.294ct loose
Sale price¥19,800
Tanzanite 0.810ct loose stone
Sale price¥12,800
Tagtupite from Greenland 0.477ct loose
Sale price¥14,800
1.008ct Tanzanian orange zircon loose stone
Sale price¥12,800
Bicolor sapphire 0.292ct loose
Sale price¥25,800
Brazilian alexandrite 0.082ct loose
Sale price¥18,800
Synthetic rutile 6.2mm/1.165ct loose stone
Sale price¥19,800
YAG (Yttrium Aluminum Garnet) 6.5mm/1.548ct loose stone
Sale price¥12,800
YAG (Yttrium Aluminum Garnet) 6.5mm/1.774ct loose stone
Sale price¥12,800
Brazilian alexandrite 0.060ct loose
Sale price¥14,800
Benitoite 2.7mm/0.114ct loose
Sale price¥27,800
[Cat cut] Rubellite 7mm/1.540ct loose
Sale price¥19,800
Bicolor sapphire 0.856ct loose
Sale price¥22,800
Colombian emerald cat's eye 0.190ct loose
Sale price¥15,800
Myanmar Pink Spinel 0.650ct Loose
Sale price¥16,800
German Awinite 0.070ct loose stone
Sale price¥15,800
Synthetic moissanite 6mm/0.748ct loose (star cut)
Sale price¥19,800
Montana Sapphire 3mm/0.154ct loose
Sale price¥22,800
Sri Lankan zircon 2.307ct loose
Sale price¥12,800
American Anthill Garnet (Chrome Pyrope Garnet) 5mm/0.540ct Loose
Sale price¥22,800
Hauinite 0.074ct loose
Sale price¥19,800
Sphene from Madagascar 0.765ct loose
Sale price¥19,800
Sphene from Madagascar 0.711ct loose
Sale price¥19,800
Brazilian pink imperial topaz 0.322ct loose
Sale price¥12,800
Benitoite 0.095ct loose
Sale price¥24,800
Color change garnet from Madagascar 0.855ct loose
Sale price¥12,800
Brazilian imperial topaz 0.467ct loose
Sale price¥15,800
Australian boulder opal 1.868ct loose
Sale price¥29,800
Australian boulder opal 1.675ct loose
Sale price¥29,800
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.
業界発展のための後進育成や事業協力、宝石の国スリランカの子どもたちへの支援活動など、KARATZの取り組みについてご紹介いたします。
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.