Mexican Fire Agate 6.090ct Loose Stone
Sale price¥12,800
Brazilian bicolor tourmaline 7.489ct loose
Sale price¥39,800
[Published as 12564054] Kochi Prefecture Coral 8.132ct Loose Stone
Sale price¥69,800
Brazilian Dendritic Quartz 5.085ct Loose Stone
Sale price¥12,800
Brazilian Pyrite in Quartz 5.600ct Loose Gemstone
Sale price¥9,800
Brazilian Black Garden Quartz 5.030ct Loose Gemstone
Sale price¥12,800
Kochi Prefecture deep red coral 7.815ct loose gemstone
Sale price¥42,800
Montana Agate 9.528ct Loose
Sale price¥8,800
Brazilian Marcasite in Quartz 6.670ct Loose Gemstone
Sale price¥25,800
Blue watermelon tourmaline 6.815ct loose
Sale price¥49,800
Kunzite from Afghanistan 12mm/8.834ct loose stone
Sale price¥39,800
Uncut Kochi Prefecture Blood Coral 6.520ct
Sale price¥8,800
Synthetic Moissanite 8.679ct loose stone
Sale price¥29,800
Sri Lankan Star Sapphire 6.477ct Loose
Sale price¥49,800
Sri Lankan Star Sapphire 7.111ct Loose
Sale price¥59,800
Brazilian Flower Quartz 7.064ct Loose Stone
Sale price¥14,800
Brazilian Romanesite in Amethyst 7.083ct Loose Stone
Sale price¥15,800
Brazil Color Change Amethyst 6.559ct Loose Stone
Sale price¥15,800
Brazil Rose Amethyst 6.325ct Loose Gemstone
Sale price¥12,800
Brazilian Limonite in Topaz 7.141ct Loose
Sale price¥19,800
Bicolor Tanzanite 5.582ct rough stone
Sale price¥18,800
Spanish sphalerite 6.392 ct loose stone
Sale price¥79,800
Mexican Cantera Opal 7.520 ct Loose Stone with Appraisal
Sale price¥24,800
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
Brazilian Mica in Rose Quartz (雲母 in Rose Quartz) 7.882ct Loose
Sale price¥9,800
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
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
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 6.020ct Loose Stone
Sale price¥15,800
Mexican Cantera Opal 7.619 ct Loose Stone
Sale price¥25,800
Mexican Cantera Opal 7.207ct Loose
Sale price¥25,800
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
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
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.