Brazilian Sky Blue Topaz (untreated) 1.470ct loose stone
Sale price¥12,800
Mozambique Almandine Garnet 2.185ct Loose Stone
Sale price¥15,800
Brazilian Sky Blue Topaz (untreated) 0.968ct loose stone
Sale price¥12,800
Synthetic Alexandrite 0.502ct loose stone
Sale price¥15,800
Bicolor sapphire 0.481ct loose
Sale price¥25,800
Brazilian Euclase 0.492ct Loose Stone (Bicolor Euclase)
Sale price¥29,800
Brazilian Euclase 0.116ct loose stone (bicolor Euclase)
Sale price¥25,800
Brazilian Euclase 0.251ct Loose Stone (Bicolor Euclase)
Sale price¥29,800
Tanzania gray spinel 0.844ct loose stone
Sale price¥18,800
Brazilian bicolor topaz (untreated) 1.452ct loose stone
Sale price¥18,800
Mexican Hyalite Opal 6.0mm/0.676ct Loose Stone
Sale price¥15,800
Mexican Hyalite Opal 6.1mm/0.810ct Loose
Sale price¥15,800
Brazilian Dendritic Agate 3.016ct Loose Stone
Sale price¥12,800
Brazilian Euclase 0.222ct Loose Stone
Sale price¥18,800
Brazilian copper rutilated quartz 2.211ct loose stone
Sale price¥12,800
Brazilian copper rutilated quartz 1.643ct loose stone
Sale price¥12,800
Brazilian Garden Quartz 5.592ct Loose Stone
Sale price¥12,800
Brazilian Sky Blue Topaz (untreated) 3.085ct loose stone
Sale price¥19,800
Brazilian Sky Blue Topaz (untreated) 2.013ct loose stone
Sale price¥12,800
German Awinite 0.076ct loose stone
Sale price¥18,800
German Awinite 0.117ct loose stone
Sale price¥25,800
Silky pink sapphire from Madagascar 0.445ct loose stone
Sale price¥12,800
Brazilian Paraiba Tourmaline in Quartz 0.812ct Loose Stone
Sale price¥15,800
Brazilian Paraiba Tourmaline in Quartz 0.866ct Loose Stone
Sale price¥17,800
Brazilian Paraiba Tourmaline in Quartz 0.946ct Loose Stone
Sale price¥15,800
Brazilian Paraiba Tourmaline in Quartz 8.0mm/1.199ct Loose Stone
Sale price¥25,800
Ethiopian Opal 14.344ct Rough Stone
Sale price¥14,800
Ethiopian Opal 15.845ct Rough Stone
Sale price¥15,800
Brazilian Alexandrite 0.089ct loose stone (princess cut)
Sale price¥19,800
Brazilian Alexandrite 0.073ct loose stone (princess cut)
Sale price¥16,800
Brazilian Limonite in Topaz 8.994ct loose stone
Sale price¥19,800
Afghanistan Awinite 0.069ct loose stone JTL catalog
Sale price¥29,800
Russian Demantoid Garnet (Horsetail certified) 2.4mm/0.066ct loose stone
Sale price¥12,800
Myanmar Color Change Zircon 3.7mm/0.323ct Loose Stone
Sale price¥25,800
Brazilian Paraiba Tourmaline in Quartz 0.556ct Loose Stone
Sale price¥15,800
Yellow Diamond (Cabochon Cut) 0.185ct Loose
Sale price¥25,800
Brazilian pink tourmaline 1.018ct loose stone
Sale price¥29,800
Brazilian Paraiba Tourmaline in Quartz 1.171ct Loose Stone
Sale price¥18,800
Brazilian Paraiba Tourmaline in Quartz 1.674ct loose stone
Sale price¥19,800
Zimbabwean Euclase 0.032ct loose stone
Sale price¥15,800
Euclase from Zimbabwe 0.046ct loose
Sale price¥29,800
Zimbabwean Euclase 0.039ct loose stone
Sale price¥22,800
Zimbabwean Euclase 1.8mm/0.021ct Loose Stone
Sale price¥15,800
Bekily Blue Garnet from Madagascar (color change garnet) 0.119ct loose
Sale price¥12,800
Spanish bicolor sphalerite 0.866ct loose stone
Sale price¥12,800
Sri Lankan Yellow Sapphire 0.282ct Loose
Sale price¥12,800
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.