Dominican Republic Conch Pearl (with flame pattern) 1.260ct loose
Sale price¥25,800
Dominican Republic Conch Pearl 0.800ct Loose
Sale price¥19,800
Synthetic Moissanite 10mm/3.340ct Loose Stone
Sale price¥18,800
Synthetic Moissanite 13.5mm/8.950ct Loose
Sale price¥39,800
Dominican Republic Conch Pearl (with flame pattern) 0.960ct loose
Sale price¥18,800
[Koshu Precious Stone Cut] Hematite in Quartz 5.155ct Loose Patch
Sale price¥45,800
Kunzite from Afghanistan 4.992ct loose stone
Sale price¥15,800
Synthetic Alexandrite 0.560ct loose stone
Sale price¥14,800
Russian demantoid garnet (horsetail recognized) 0.291ct loose
Sale price¥69,800
Russian Demantoid Garnet (Horsetail certified) 2.4mm/0.063ct loose stone
Sale price¥39,800
Russian Demantoid Garnet (Horsetail certified) 4.6mm/0.464ct loose stone
Sale price¥128,000
Indian Star Garnet 13.090ct Loose Stone (6 Rows)
Sale price¥4,980
Russian demantoid garnet (horsetail recognized) 2mm/0.055ct loose
Sale price¥6,980
Brazilian Dumortierite in Quartz 3.188ct loose stone (faceted cut)
Sale price¥12,800
Brazilian Dumortierite in Quartz 1.279ct loose stone (faceted cut)
Sale price¥9,800
Brazilian Dumortierite in Quartz 1.447ct loose stone (faceted cut)
Sale price¥18,800
Brazilian Dumortierite in Quartz 1.284ct loose stone (faceted cut)
Sale price¥9,800
Brazilian Dumortierite in Quartz 1.276ct loose stone
Sale price¥6,980
Brazilian Amphibole in Quartz 32.070ct Loose Patch
Sale price¥6,980
Brazilian Lepidocrocite in Quartz 9.0mm/2.735ct Loose Stone
Sale price¥14,800
Mozambique Rhodolite Garnet 1.146ct Loose Stone
Sale price¥12,800
Pyrope Almandine Garnet 2.514ct Loose Stone
Sale price¥29,800
Synthetic Alexandrite 0.570ct loose stone
Sale price¥18,800
Brazilian rutilated quartz (rutilated quartz) 7.741ct loose stone
Sale price¥15,800
Brazilian Paraiba Tourmaline in Quartz 6.0mm/0.794ct Loose Stone
Sale price¥15,800
[Takeshi Yamamoto] Bicolor Smoky Quartz 10.674ct Loose Stone
Sale price¥39,800
Dominican Republic Conch Pearl 1.990ct Loose (with flame pattern)
Sale price¥29,800
Brazilian pyrite in quartz 57.230ct loose stone
Sale price¥25,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 6.020ct Loose Stone
Sale price¥9,800
Kunzite from Afghanistan 8.609ct loose stone
Sale price¥14,800
Indian Star Garnet 14.200ct Loose Stone (6 Rows)
Sale price¥5,980
Mexican Cantera Opal 6.112ct Loose
Sale price¥59,800
Mozambique Almandine Garnet 0.774ct Loose Stone
Sale price¥8,800
Mozambique Almandine Garnet 0.477ct Loose Stone
Sale price¥8,800
Brazilian Rutile Cat's Eye 3.856ct Loose Stone (Red Rutile Quartz)
Sale price¥18,800
Brazilian Rutile Cat's Eye 3.306ct Loose Stone (Red Rutile Quartz)
Sale price¥16,800
Mozambique Rhodolite Garnet 5.7mm/1.188ct Loose Stone
Sale price¥12,800
Mexican Cantera Opal 14.458ct loose stone (faceted cut)
Sale price¥14,800
Synthetic Opal 2.026ct Loose
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.