Pink sapphire from Greenland 0.754ct loose with certificate
Sale price¥25,800
Ruby from Greenland 0.268ct loose with certificate
Sale price¥18,800
Bastnaesite from Pakistan 1.390ct loose
Sale price¥14,800
Yellow sapphire from Sri Lanka 6mm/0.816ct loose
Sale price¥18,800
Yellow sapphire from Sri Lanka 6mm/0.962ct loose
Sale price¥18,800
[Sakura Incut] Danburite 8.25mm/1.719ct《Collaboration》Loose with emblem
Sale price¥25,800
[Dandelion cut] Danburite 7mm/1.364ct loose with patch
Sale price¥19,800
Colombian Euclase 1.365ct rough stone
Sale price¥29,800
Synthetic rutile 6.5mm/1.233ct loose stone
Sale price¥12,800
Brazilian beryl 105.928ct raw stone
Sale price¥18,800
Rutilated Quartz (Rutilated Quartz) 110.150ct Loose
Sale price¥18,800
[Posted 12540116] Ethiopian opal 136.601ct rough stone
Sale price¥29,800
Kunzite 13.700ct loose
Sale price¥15,800
Opal 426.985ct rough stone
Sale price¥29,800
0.327ct loose yellow sapphire from Madagascar
Sale price¥12,800
0.324ct loose pink sapphire from Madagascar
Sale price¥12,800
Madagascar sapphire 0.298ct loose stone
Sale price¥12,800
Madagascar sapphire 0.289ct loose stone
Sale price¥12,800
Madagascar sapphire 0.503ct loose stone
Sale price¥15,800
Tanzanian Kornerupine 0.219ct Loose Stone
Sale price¥29,800
Tanzanian Kornerupine 0.084ct Loose Stone
Sale price¥22,800
Cambodian Blue Zircon (Ratanakiri Blue) 0.484ct Loose Stone
Sale price¥12,800
Brazilian Green Spodumene 2.899ct Loose Stone
Sale price¥12,800
Brazilian Green Spodumene 2.433ct Loose Stone
Sale price¥18,800
Brazilian Green Spodumene 2.710ct Loose Stone
Sale price¥18,800
Sri Lankan star sapphire 2.062ct loose
Sale price¥12,800
Paraiba tourmaline 233.409ct raw stone from Brazil
Sale price¥12,800
Colorless zircon 1.831ct loose
Sale price¥12,800
Colombian trapiche emerald (reverse trapiche) 0.101ct rough stone
Sale price¥12,800
Bicolor tourmaline 1.704ct loose
Sale price¥12,800
[Koshu Precious Stones plusthree] Picture Agate 10.362ct Loose Stone
Sale price¥29,800
Brazilian dumortierite in quartz 5.154ct loose
Sale price¥15,800
Brazilian dumortierite in quartz 6.727ct loose
Sale price¥25,800
Brazilian dumortierite in quartz 4.230ct loose
Sale price¥12,800
Mexican fire opal 6mm/0.698ct loose (rose cut)
Sale price¥14,800
Sri Lankan tourmaline 4.860ct loose stone (cushion cut)
Sale price¥12,800
Russian demantoid garnet (horsetail recognized) 2.9mm/0.165ct loose
Sale price¥24,800
Russian demantoid garnet (horsetail recognized) 2.8mm/0.187ct loose
Sale price¥18,800
0.400ct Madagascar Pink Sapphire Loose (Heart Shape)
Sale price¥19,800
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.