Mexican Cantera Opal 5.811 ct Loose Stone with Certificate
Sale price¥29,800
Brazilian Dendritic Agate 5.107ct Loose Stone
Sale price¥6,980
Dendritic Agate from Brazil, 5.192ct Loose Stone
Sale price¥6,980
Brazilian Dendritic Agate Loose Stone 7.063ct
Sale price¥3,980
Brazilian Dendritic Agate 8.844ct Loose Stone
Sale price¥5,980
Mozambique Almandine Garnet 17.770ct Loose Stone
Sale price¥98,000
4.040 ct loose Brazilian mica in rose quartz
Sale price¥5,980
Brazilian Mica in Rose Quartz (雲母 in Rose Quartz) 7.882ct Loose
Sale price¥9,800
Brazilian Mica in Rose Quartz Loose Stone 3.245ct
Sale price¥5,980
Brazilian Mica in Rose Quartz 8.773ct Loose Stone
Sale price¥9,800
Brazilian Mica in Rose Quartz Cabochon, 8.477ct
Sale price¥11,000
Lavender quartz (scorolite) 2.181ct loose stone
Sale price¥8,800
Lavender quartz (scorolite) 2.740ct loose stone
Sale price¥8,800
Burmese ruby 3.72ct loose GIA/CGL
Sale price¥298,000
Green Spodumene 6.419ct loose stone
Sale price¥15,800
Spodumene 9.001ct loose stone
Sale price¥22,800
Spodumene 9.730ct loose stone
Sale price¥22,800
Tibetan bicolor andesine 2.657ct loose stone
Sale price¥19,800
Cristobalite in Quartz 2.417ct Loose Stone
Sale price¥8,800
Ethiopian Opal 2.131ct Loose
Sale price¥9,800
Lepidocrocite in quartz 1.087ct loose
Sale price¥5,980
Mexican Cantera Opal 32.560ct Loose
Sale price¥29,800
27.410ct Mexican Cantera Opal Loose Gemstone
Sale price¥25,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 6.020ct Loose Stone
Sale price¥15,800
Zimbabwean Bi-Color Euclase Rough 2.976 ct
Sale price¥59,800
Finnish Labradorite 56.209ct Loose Gemstone
Sale price¥16,800
Mexican fire agate 3.613ct loose
Sale price¥14,800
Mexican Cantera Opal 10.379ct Loose Stone
Sale price¥39,800
Mexican Cantera Opal 7.619 ct Loose Stone
Sale price¥25,800
Mexican Cantera Opal 7.207ct Loose
Sale price¥25,800
Mexican Cantera Opal 3.051ct Loose Stone
Sale price¥18,800
6.558ct Loose Australian Black Opal with Certificate of Authenticity
Sale price¥39,800
Brazilian Morganite, 11mm/5.181ct Loose Stone
Sale price¥158,000
Brazilian Morganite 10mm/4.535ct Loose Stone
Sale price¥148,000
Mexican Fire Opal 1.833ct Loose
Sale price¥39,800
Mexican Fire Opal 1.743ct Loose
Sale price¥18,800
Mexican Fire Opal 3.425ct Loose
Sale price¥22,800
Synthetic Moissanite 7.999ct loose stone
Sale price¥29,800
Synthetic Moissanite 8.417ct Loose Stone
Sale price¥39,800
Synthetic Moissanite 8.931ct loose stone
Sale price¥45,800
Synthetic Moissanite 4.924ct loose stone
Sale price¥29,800
Mexican Cantera Opal 15.195ct 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.