Brazilian Paraiba Tourmaline 0.048ct (CuO:1.5% MnO:1.0%)
Sale price¥35,800
Malawi Moonstone (Malawi Moonstone) 5.767ct Loose
Sale price¥45,800
Malawi Moonstone (Malawi Moonstone) 4.777ct Loose
Sale price¥45,800
Malawi Moonstone 4.392ct Loose
Sale price¥32,800
4.168ct loose Malawi Moonstone
Sale price¥39,800
Malawi Moonstone 3.912ct Loose Gemstone
Sale price¥37,800
Malawi Moonstone (Malawi Moonstone) 3.517 ct Loose
Sale price¥35,800
Mexican Fire Opal 1.833ct Loose
Sale price¥39,800
Mexican Fire Opal 1.424ct Loose
Sale price¥39,800
Synthetic Moissanite 8.417ct Loose Stone
Sale price¥39,800
Synthetic Moissanite 8.931ct loose stone
Sale price¥45,800
0.113 ct Zimbabwe Euclase loose gemstone
Sale price¥45,800
Iridescent Tourmaline 3.107ct Loose Stone
Sale price¥37,800
Gray Diamond 0.158ct Loose (FANCY DARK GRAY, I-1)
Sale price¥45,800
Australian black opal 2.277ct loose stone (play of color on both sides)
Sale price¥34,800
Brown Diamond 0.531ct Loose (FANCY DARK BROWN, SI-2)
Sale price¥39,800
Australian black opal 0.758ct loose stone
Sale price¥35,800
Australian black opal 1.168ct loose stone
Sale price¥39,800
Dioptase from Namibia 0.150ct loose Japanese-German book
Sale price¥49,800
Blue Tourmaline 1.460ct Loose Stone Japan-Germany Exchange
Sale price¥39,800
Brazilian Lazulite 0.067ct Loose with certificate
Sale price¥39,800
American Oregon Sunstone 7.0mm/1.494ct Loose
Sale price¥35,800
USA-origin Oregon Sunstone, 7.0mm/1.356ct loose
Sale price¥35,800
Brazilian alexandrite 0.070ct loose
Sale price¥39,800
Brazilian Blue Tourmaline 0.819ct Loose Stone
Sale price¥31,800
Brazilian Paraiba tourmaline in quartz 1.602ct loose
Sale price¥39,800
American red beryl 0.184ct loose
Sale price¥39,800
Brazilian Blue Tourmaline in Quartz 9.251ct Loose Stone
Sale price¥39,800
Paraiba tourmaline from Mozambique 0.414ct loose
Sale price¥45,800
Paraiba tourmaline from Mozambique 0.246ct loose
Sale price¥35,800
[Dandelion cut] Synthetic rutile 7.5mm/2.630ct loose
Sale price¥39,800
Yellow diamond 0.153ct loose (FANCY INTENSE YELLOW ORANGE, SI1)
Sale price¥35,800
Diamond 0.244ct Loose Stone (F, VS2, Flanders Cut)
Sale price¥39,800
0.209ct Yellow Diamond Loose (Fancy Deep Brownish Yellow, VVS-2)
Sale price¥49,800
Brazilian Elestial Amethyst from Brazil, 15.928ct Loose Stone
Sale price¥45,800
Zimbabwean Bicolor Euclase 0.227ct Loose Stone
Sale price¥49,800
Australian black opal 0.805ct loose stone
Sale price¥39,800
0.796ct Loose Bicolor Grossular Garnet from Tanzania
Sale price¥39,800
Brazilian Santa Maria Aquamarine 0.669ct Loose Stone
Sale price¥39,800
Colombian pyrite emerald 2.380ct rough stone
Sale price¥39,800
![[Sakura Incut] Sphene from Madagascar 6.0mm/0.865ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC251416.jpg?v=1767749854&width=4000)
[Sakura Incut] Sphene from Madagascar 6.0mm/0.865ct Loose Stone
Sale price¥49,800
0.451 ct loose Colombian emerald
Sale price¥39,800
Colombian emerald 0.159ct loose stone
Sale price¥47,800
Cambodian blue zircon, 7.0mm/1.962ct loose
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.