pear shape
Tanzanian Kornerupine 0.500ct Loose Stone
Sale price¥39,800
Cassiterite 1.676ct loose stone with certificate
Sale price¥45,800
Brazilian Dumortierite in Quartz 0.578ct loose stone (faceted cut)
Sale price¥5,980
Indian Moss Agate 0.387ct Loose Stone
Sale price¥8,800
Indian Moss Agate 0.75ct Loose Stone
Sale price¥8,800
Brazilian Dumortierite in Quartz 0.368ct loose stone
Sale price¥12,800
Turkish pink diaspore 0.151ct loose stone
Sale price¥8,800
Spanish Andalusite 0.355ct loose stone
Sale price¥6,980
Spanish Andalusite 0.674ct loose stone
Sale price¥8,800
Blue beryl (Macis beryl) 0.166ct loose stone
Sale price¥8,800
Russian alexandrite 0.093ct loose
Sale price¥39,800
Russian Alexandrite 0.049ct loose stone
Sale price¥29,800
Synthetic black opal 2.996ct loose stone
Sale price¥29,800
Madagascar Blue Sapphire (Ice Blue) 0.584ct Loose
Sale price¥19,800
Brazilian unheated pink imperial topaz (sherry pink) 0.284ct loose stone
Sale price¥15,800
Myanmar color change zircon 0.596ct loose stone
Sale price¥39,800
Madagascar Purple Sapphire 0.315ct Loose
Sale price¥12,800
Tanzanian Kornerupine 0.301ct loose stone
Sale price¥25,800
Prehnite 3.016ct loose stone
Sale price¥6,980
Zimbabwean Euclase 0.107ct loose stone
Sale price¥79,800
Brazilian Limonite in Topaz 10.100ct Loose Stone
Sale price¥25,800
Sri Lankan saffron 0.264ct loose stone with certificate
Sale price¥22,800
Tanzanian Sunstone (Illusion Sunstone) 0.381ct Loose Stone
Sale price¥7,980
Ethiopian Sunstone 1.563ct Loose
Sale price¥9,800
Brazilian bicolor tourmaline 6.227ct loose stone
Sale price¥69,800
Zimbabwean Apatite (UV type) 2.368ct loose stone
Sale price¥18,800
Namibian Jeremejevite 0.065ct loose stone with certificate
Sale price¥19,800
Namibian Jeremejevite 0.052ct loose stone JTL catalogue
Sale price¥18,800
Namibian Jeremejevite 0.038ct loose stone JTL catalogue
Sale price¥9,800
Russian Phenakite 0.507ct Loose Stone
Sale price¥19,800
Nigerian Morganite 0.381ct loose stone
Sale price¥5,980
Madagascar pink sapphire 0.486ct loose stone
Sale price¥12,800
Madagascar Yellow Sapphire 0.493ct Loose
Sale price¥9,800
Sri Lankan Yellow Sapphire 0.557ct Loose
Sale price¥12,800
Madagascar pink sapphire 0.466ct loose stone
Sale price¥12,800
Pink Diamond 0.075ct Loose (Fancy Purplish PINK, SI2)
Sale price¥98,000
Hollandite in Amethyst 3.048ct loose stone
Sale price¥9,800
Madagascar Purple Sapphire 0.311ct Loose Stone
Sale price¥9,800
Madagascar White Sapphire 0.485ct Loose
Sale price¥19,800
Madagascar pink sapphire 0.284ct loose stone
Sale price¥12,800
Tanzanian Kornerupine 0.392ct loose stone
Sale price¥35,800
Tanzanian Kornerupine 0.172ct loose stone
Sale price¥18,800
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.