Tanzanian Zircon 4.138ct Loose Stone
Sale price¥39,800
Brazilian Green Spodumene 2.899ct Loose Stone
Sale price¥12,800
Orange calcite 0.740ct loose stone by Nikkei
Sale price¥9,800
Brazilian bicolor tourmaline 1.875ct loose stone
Sale price¥39,800
Madagascar Apatite Cat's Eye 1.644ct Loose Stone
Sale price¥8,800
Madagascar Apatite Cat's Eye 2.496ct Loose Stone
Sale price¥9,800
Brazilian Blue Topaz 1.355ct Loose
Sale price¥8,800
Brazilian Green Spodumene 9.0mm/2.271ct Loose Stone
Sale price¥12,800
Brazilian Green Spodumene 9.0mm/2.747ct Loose Stone
Sale price¥18,800
Madagascar Iolite 2.272ct loose stone
Sale price¥19,800
Mexican Hyalite Opal 1.554ct Loose
Sale price¥7,980
Mexican Hyalite Opal 1.687ct Loose
Sale price¥9,800
Tanzanite 1.458ct loose stone
Sale price¥39,800
Australian black opal 0.544ct loose stone
Sale price¥18,800
Brazilian Sky Blue Topaz (untreated) 2.560ct loose stone
Sale price¥12,800
Brazilian unheated pink imperial topaz (sherry pink) 0.931ct loose stone
Sale price¥98,000
Brazilian Rutile Cat's Eye 3.306ct Loose Stone (Red Rutile Quartz)
Sale price¥16,800
Brazilian Green Spodumene 2.619ct Loose Stone
Sale price¥12,800
Brazilian Petalite 1.659ct loose stone
Sale price¥12,800
Synthetic black opal 1.209ct loose stone
Sale price¥18,800
Sunstone (Illusion Sunstone) 1.934ct Loose
Sale price¥8,800
[Sakura Shape] Mexican Opal 8.2mm/1.465ct {Collaboration} Loose Patch
Sale price¥45,800
Tanzanite from Tanzania 0.734ct loose stone
Sale price¥12,800
Ethiopian Sunstone 1.563ct Loose
Sale price¥9,800
Brazilian bicolor tourmaline 4.291ct loose stone
Sale price¥55,800
Zimbabwean Apatite (UV type) 1.712ct loose stone
Sale price¥13,800
Nigerian Green Beryl 0.581ct Loose Stone (Mint Green Color)
Sale price¥14,800
Nigerian Green Beryl 0.545ct Loose Stone
Sale price¥12,800
Nigerian Green Beryl 0.308ct Loose Stone (Mint Green Color)
Sale price¥7,980
Australian Rainbow Lattice Sunstone 1.914ct Loose Stone
Sale price¥19,800
Brazilian Green Tourmaline 1.031ct Loose Stone
Sale price¥22,800
Tanzanite from Tanzania 1.053ct loose stone
Sale price¥25,800
Tanzanian bicolor sapphire 0.598ct loose stone
Sale price¥16,800
Tanzanian bicolor sapphire 0.623ct loose stone
Sale price¥16,800
Madagascar sphene 1.751ct loose stone
Sale price¥19,800
Pakistani Axinite (Green Tint) 0.880ct Loose Stone
Sale price¥19,800
Pakistani Axinite (Green Tint) 1.003ct Loose Stone
Sale price¥35,800
Brazilian Dendritic Agate 2.163ct Loose Stone
Sale price¥8,800
Brazilian copper rutilated quartz 0.862ct loose stone
Sale price¥7,980
Mozambique Almandine Garnet 1.065ct Loose Stone
Sale price¥11,000
Brazilian Dumortierite in Quartz 2.116ct loose stone
Sale price¥18,800
Brazilian Lepidocrocite in Quartz 8.5mm/2.245ct Loose Stone
Sale price¥8,800
Spanish bicolor sphalerite 0.866ct loose stone
Sale price¥12,800
Brazilian Paraiba Tourmaline in Quartz 1.674ct loose stone
Sale price¥19,800
Brazilian Golden Beryl 9mm/2.438ct Loose Stone
Sale price¥12,800
Oregon Sunstone from the United States 8.8mm/1.603ct loose stone
Sale price¥14,800
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.