Ethiopian Opal 5.7mm/0.878ct Loose (Sphere)
Sale price¥6,980
Madagascar sphene 0.838ct loose stone
Sale price¥9,800
Brazilian Flower Quartz 7.064ct Loose Stone
Sale price¥14,800
Brazilian Flower Quartz 4.666ct Loose Stone
Sale price¥9,800
Pakistani Axinite 0.500ct loose stone (green tint)
Sale price¥12,800
[On sale May 10th, 10 PM JST] Madagascar Andalusite 2.187ct Loose Stone
Sale price¥32,800
Loose Brown Diamond 0.290ct (FANCY BROWN, SI-2)
Sale price¥15,800
Mexican Cantera Opal 17.284ct Loose
Sale price¥39,800
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
[Sale on 5/5 at 10 PM] Brazilian Dendritic Agate 7.063ct Loose Stone
Sale price¥3,980
Oregon Sunstone 0.272ct Loose
Sale price¥6,980
Andalusite 0.672ct loose
Sale price¥8,800
Spanish Andalusite 0.440ct loose stone
Sale price¥6,980
Spanish Andalusite 0.435ct loose stone
Sale price¥6,980
Tibetan bicolor andesine 2.657ct loose stone
Sale price¥19,800
Ethiopian Opal 2.131ct Loose
Sale price¥9,800
Ethiopian Opal 1.694ct Loose
Sale price¥7,980
[On sale at 10 PM on May 2nd] Mexican Cantera Opal 32.560ct Loose Stone
Sale price¥29,800
[On sale May 2nd at 10 PM JST] Mexican Cantera Opal 27.410ct Loose Stone
Sale price¥25,800
Loose 2.120ct Oregon Sunstone from the USA
Sale price¥18,800
Euclase with Pyrite from Colombia 37.340ct Rough Gemstone (Hokikyosho)
Sale price¥15,800
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 5.410 ct Loose Stone
Sale price¥9,800
[On sale May 6th at 10 PM JST] Mexican Cantera Opal Loose Stone 7.207ct
Sale price¥25,800
Mexican Cantera Opal 3.051ct Loose Stone
Sale price¥18,800
Mexican Cantera Opal 1.867 ct Loose Stone
Sale price¥12,800
Brown Diamond 6.5mm/0.989ct Loose Stone (FANCY DARK ORANGE BROWN, SI-2)
Sale price¥98,000
Madagascar Bicolor Sphene 1.551ct Loose Stone
Sale price¥15,800
Bulgarian Sphalerite 7.6mm/2.233ct Loose
Sale price¥69,800
Synthetic Moissanite 8.417ct Loose Stone
Sale price¥39,800
Synthetic Moissanite 4.924ct loose stone
Sale price¥29,800
Mexican Cantera Opal 15.195ct Loose
Sale price¥12,800
Bicolor tourmaline 1.198ct 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.