Afghanistan Bicolor Tourmaline 0.672ct Loose Stone
Sale price¥9,800
Afghanistan Bicolor Tourmaline 0.673ct Loose Stone
Sale price¥15,800
Madagascar Pezzottaite 0.206ct loose stone
Sale price¥12,800
Pezzottite from Madagascar 0.158ct loose
Sale price¥9,800
Sri Lankan Star Sapphire 0.753ct Loose
Sale price¥8,800
Sri Lankan Star Sapphire 5.0mm/0.897ct Loose Stone
Sale price¥8,800
Pakistani Ludwigite in Peridot 0.285ct loose stone
Sale price¥5,980
Pink tourmaline 0.333ct loose stone
Sale price¥9,800
Zambian emerald 0.099ct loose stone
Sale price¥9,800
Zambian emerald 0.210ct loose stone
Sale price¥8,800
Mexican Fire Opal 0.343ct Loose
Sale price¥15,800
Nigerian Spessartine Garnet 0.559ct Loose Stone
Sale price¥7,980
Thai Blue Sapphire 0.388ct Loose
Sale price¥9,800
Sri Lankan pink sapphire 4.1mm/0.326ct loose stone
Sale price¥12,800
Mexican Fire Opal 4.8mm/0.336ct Loose
Sale price¥5,980
Mexican Opal 4.9mm/0.327ct Loose
Sale price¥9,800
Madagascar White Sapphire 0.490ct Loose JTL
Sale price¥12,800
Brazilian Lepidocrocite in Quartz 5.0mm/0.477ct Loose Stone
Sale price¥4,980
YAG (Yttrium Aluminum Garnet) 4.5mm/0.440ct loose stone
Sale price¥8,800
YAG (Yttrium Aluminum Garnet) 4.8mm/0.538ct loose stone
Sale price¥8,800
YAG (Yttrium Aluminum Garnet) 4.1mm/0.322ct loose stone
Sale price¥8,800
Myanmar Podretteite 0.407ct loose stone [Gemstone Encyclopedia]
Sale price¥128,000
Brazilian Pink Tourmaline 0.331ct Loose Stone
Sale price¥8,800
Burmese Red Spinel 0.177ct Loose
Sale price¥9,800
Brazilian Euclase 0.615ct Loose Stone
Sale price¥9,800
Bicolor sapphire 0.481ct loose
Sale price¥25,800
Synthetic Alexandrite 0.330ct loose stone
Sale price¥9,800
Synthetic Alexandrite 0.502ct loose stone
Sale price¥15,800
Synthetic Alexandrite 0.282ct loose stone
Sale price¥9,800
Brazilian bicolor tourmaline 0.644ct loose stone
Sale price¥9,800
Madagascar pink sapphire 0.335ct loose stone
Sale price¥14,800
Kenyan Gold Sheen Sapphire 4.0mm/0.321ct Loose Stone (Rose Cut)
Sale price¥14,800
Namibian Jeremejevite 0.194ct loose stone by Nikkei
Sale price¥15,800
Myanmar spinel 0.402ct loose stone
Sale price¥12,800
Sri Lankan Yellow Sapphire 0.543ct Loose
Sale price¥29,800
Brazilian Alexandrite 0.519ct loose stone (sugarloaf cut)
Sale price¥358,000
Sri Lankan Chrysoberyl Cat's Eye 0.519ct Loose Stone
Sale price¥8,800
Tanzanite from Tanzania 0.298ct loose stone
Sale price¥9,800
Tanzanite from Tanzania 0.250ct loose stone
Sale price¥7,980
Tanzania Bicolor Zoisite 0.320ct Loose Stone
Sale price¥7,980
Tanzanite from Tanzania 0.321ct loose stone
Sale price¥6,980
Tanzanite from Tanzania 0.250ct loose stone
Sale price¥8,800
Ruby 0.284ct loose
Sale price¥15,800
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.