Silky pink sapphire from Madagascar 0.445ct loose stone
Sale price¥12,800
German Awinite 0.117ct loose stone
Sale price¥25,800
German Awinite 0.076ct loose stone
Sale price¥18,800
Orange Hackmanite from Afghanistan 1.101ct loose stone
Sale price¥19,800
Brazilian Sky Blue Topaz (untreated) 2.013ct loose stone
Sale price¥12,800
Brazilian Sky Blue Topaz (untreated) 3.085ct loose stone
Sale price¥19,800
Brazilian bicolor tourmaline 0.891ct loose stone (princess cut)
Sale price¥15,800
Brazilian Garden Quartz 5.592ct Loose Stone
Sale price¥12,800
Brazilian copper rutilated quartz 2.211ct loose stone
Sale price¥12,800
Brazilian copper rutilated quartz 1.643ct loose stone
Sale price¥12,800
Mexican Hyalite Opal 6.1mm/0.810ct Loose
Sale price¥15,800
Mexican Hyalite Opal 6.0mm/0.676ct Loose Stone
Sale price¥15,800
Brazilian bicolor topaz (untreated) 2.278ct loose stone
Sale price¥24,800
Brazilian bicolor topaz (untreated) 1.452ct loose stone
Sale price¥18,800
Burmese gray spinel 0.827ct loose stone
Sale price¥28,800
Tanzania gray spinel 0.844ct loose stone
Sale price¥18,800
Tanzanian grey spinel 5.1mm/0.605ct loose stone
Sale price¥12,800
Tanzania Gray Spinel 5.0mm/0.510ct Loose Stone
Sale price¥12,800
Cambodian bicolor zircon 1.668ct loose stone
Sale price¥25,800
Australian black opal 1.399ct loose
Sale price¥22,800
Australian black opal 0.599ct loose stone
Sale price¥18,800
Brazilian Flower Rutile in Quartz 5.336ct Loose Stone
Sale price¥19,800
Brazilian Euclase 0.251ct Loose Stone (Bicolor Euclase)
Sale price¥29,800
Brazilian Euclase 0.116ct loose stone (bicolor Euclase)
Sale price¥25,800
Brazilian Euclase 0.492ct Loose Stone (Bicolor Euclase)
Sale price¥29,800
Brazilian Euclase 0.222ct Loose Stone
Sale price¥18,800
Indian Moonstone 2.009ct Loose
Sale price¥15,800
Brazilian Dendritic Agate 3.016ct Loose Stone
Sale price¥12,800
Bicolor sapphire 0.481ct loose
Sale price¥25,800
Synthetic Alexandrite 0.502ct loose stone
Sale price¥15,800
Brazilian Sky Blue Topaz (untreated) 0.968ct loose stone
Sale price¥12,800
Mozambique Almandine Garnet 2.185ct Loose Stone
Sale price¥15,800
Brazilian Sky Blue Topaz (untreated) 1.470ct loose stone
Sale price¥12,800
Brazilian Santa Maria Aquamarine 0.206ct loose stone
Sale price¥12,800
Brazilian Blue Topaz 2.912ct Loose
Sale price¥12,800
Madagascar sphene 1.002ct loose stone
Sale price¥15,800
Madagascar sphene 0.991ct loose stone
Sale price¥12,800
Madagascar sphene 1.080ct loose stone
Sale price¥12,800
Bicolor tourmaline 1.833ct loose
Sale price¥18,800
Brazilian Rubellite 0.897ct loose stone
Sale price¥29,800
Purple sapphire 0.419ct loose stone
Sale price¥15,800
Brazilian rutilated quartz (rutilated quartz) 8.0mm/1.335ct loose stone
Sale price¥12,800
Brazilian rutilated quartz (rutilated quartz) 7.8mm/1.320ct loose stone
Sale price¥12,800
Brazilian rutilated quartz (rutilated quartz) 8.1mm/1.619ct loose stone
Sale price¥12,800
Brazilian rutilated quartz (rutilated quartz) 7.8mm/1.307ct loose stone
Sale price¥12,800
Peruvian Rhodochrosite 2-stone set 12.816ct rough stone
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.