Australian black opal 2.277ct loose stone (play of color on both sides)
Sale price¥34,800
Brazilian Paraiba tourmaline in quartz 4.772ct loose
Sale price¥59,800
Brazilian Medusa Quartz (Paraiba Quartz) 3.122ct Loose Stone
Sale price¥15,800
Brazilian dendritic quartz 3.608ct loose stone
Sale price¥9,800
Brazilian Medusa Quartz (Paraiba Quartz) 2.484ct loose stone
Sale price¥39,800
South African rhodochrosite 2.477ct loose Japanese-German edition
Sale price¥398,000
Bicolor Paraiba tourmaline 2.477ct loose DGL version
Sale price¥228,000
[Clover in cut] Emerald 9mm/2.498ct {Collaboration} Loose with patch
Sale price¥98,000
[Koshu precious stone cutter pluethree] Colombian emerald 2.018ct loose
Sale price¥98,000
Brazilian Medusa Quartz (Paraiba Quartz) 2.524ct loose
Sale price¥35,800
Dendritic quartz 3.875ct loose
Sale price¥8,800
Watermelon tourmaline 3.403ct loose
Sale price¥5,980
Watermelon tourmaline 3.250ct loose
Sale price¥5,980
Bicolor Sphalerite 9.8mm/4.517ct loose
Sale price¥69,800
Enstatite from Sri Lanka 2.095ct loose Japanese-German edition
Sale price¥15,800
[Sakura in-cut] Lavender quartz (scorolite) 8mm/ 2.161ct loose
Sale price¥19,800
Twin star sapphire from Sri Lanka 3.003ct loose (Violet star sapphire)
Sale price¥59,800
Twin star sapphire from Sri Lanka 3.858ct loose (black star sapphire)
Sale price¥59,800
Twin star sapphire from Sri Lanka 2.523ct loose
Sale price¥98,000
Pink amethyst 3.496ct loose
Sale price¥6,980
Chrysoberyl cat's eye 2.843ct loose
Sale price¥39,800
Green tourmaline 2.007ct loose
Sale price¥29,800
Green tourmaline 2.144ct loose
Sale price¥25,800
Bicolor Tourmaline 9.0mm/2.507ct Loose
Sale price¥29,800
Green tourmaline 3.334ct loose
Sale price¥25,800
Bicolor tourmaline 3.242ct rough stone from Afghanistan
Sale price¥9,800
Labradorite (Spectrolite) from Finland 4.747ct loose
Sale price¥6,980
Amethyst 3.090ct loose
Sale price¥6,980
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 3.089ct loose
Sale price¥11,000
Phosphophyllite from Bolivia 2.589ct loose Japanese-German edition
Sale price¥1,280,000
Bulgarian green sphalerite 9.2mm/3.608ct loose Japanese-German edition
Sale price¥398,000
Brazilian imperial topaz 2.093ct loose
Sale price¥29,800
Brazilian dumortierite in quartz 3.247ct loose
Sale price¥25,800
Brazilian dumortierite in quartz 2.227ct loose
Sale price¥18,800
Brazilian dumortierite in quartz 2.443ct loose
Sale price¥24,800
Indian bag site 2.218ct loose
Sale price¥9,800
Indian bag site 2.163ct loose
Sale price¥9,800
Indian bag site 2.408ct loose
Sale price¥9,800
Indian bag site 2.206ct loose
Sale price¥9,800
Indian bag site 2.010ct loose
Sale price¥8,800
[Dandelion cut] Synthetic rutile 7.5mm/2.630ct loose
Sale price¥49,800
Sri Lankan Ratotta Topaz 4.170ct Loose (White Topaz)
Sale price¥8,800
Ubaite/dravite tourmaline 3.157ct rough stone
Sale price¥9,800
Brazilian dumortierite in quartz 3.814ct raw stone
Sale price¥3,980
Brazilian Dumortierite in Quartz 2.932ct loose
Sale price¥25,800
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.