Montana Sapphire 1.9mm/0.033ct loose
Sale price¥4,980
Dioptase from Namibia 3.2mm/0.123ct loose
Sale price¥59,800
Paraiba tourmaline from Brazil 0.265ct loose (CuO:0.7%, MnO:3.0%)
Sale price¥29,800
Synthetic moissanite 10.5mm/4.197ct loose (Portuguese cut)
Sale price¥29,800
Hemimorphite 18.750ct loose
Sale price¥39,800
Tanzanite 2.418ct loose
Sale price¥55,800
Synthetic moissanite 0.245ct loose (shield cut)
Sale price¥6,980
Cantera opal 14.581ct loose
Sale price¥22,800
South African green diamond rough (makeable) 0.298ct loose
Sale price¥69,800
Colombian Euclase 3.543ct loose
Sale price¥39,800
Color change Andesine 2.311ct loose
Sale price¥25,800
Sealight 2.737ct loose
Sale price¥22,800
[Dandelion Cut] Danburite 8mm/1.860ct《Collaboration》Loose with patch
Sale price¥19,800
[8/11 22:00 Sale] Tanzanian Rhodolite Garnet 0.734ct Loose Stone
Sale price¥6,980
[8/11 22:00 Sale] Tanzanian Kornerupine 0.084ct Loose Stone
Sale price¥22,800
Bicolor imperial topaz 1.725ct loose
Sale price¥79,800
Madeira Citrine 6mm/0.914ct loose
Sale price¥8,800
Tanzanite 2.726ct loose
Sale price¥110,000
[Konpeito] Iolite 3.330ct loose
Sale price¥25,800
Colombian Euclase from Colombia 4.869ct loose
Sale price¥55,800
Green opal 15.950ct loose
Sale price¥29,800
Paraiba tourmaline from Brazil 0.066ct loose (CuO:1.7%,Mn0:2.1%)
Sale price¥29,800
Paraiba tourmaline from Brazil 0.055ct loose (CuO:1.5%,MnO:3.2%)
Sale price¥39,800
Cambodian blue zircon 4.203ct loose
Sale price¥39,800
[25.06CP] Synthetic Alexandrite 1.552ct Loose Stone
Sale price¥18,800
Cambodian blue zircon 3.322ct loose
Sale price¥29,800
Synthetic Moissanite 0.491ct loose stone
Sale price¥4,980
Synthetic Moissanite 0.358ct loose stone
Sale price¥3,980
Prehnite 0.818ct loose stone
Sale price¥3,980
Synthetic Moissanite 0.714ct loose stone
Sale price¥6,980
Pink fluorite 12.690ct loose
Sale price¥9,800
Pink fluorite 6.530ct loose
Sale price¥5,980
Australian boulder opal 13.190ct loose
Sale price¥18,800
Yellow tourmaline 2.290ct loose
Sale price¥8,800
Red beryl 0.079ct loose
Sale price¥18,800
Red beryl 0.096ct loose
Sale price¥22,800
[On sale at 10pm on August 14th] Alexandrite 0.272ct loose stone
Sale price¥59,800
[On Sale at 10 PM on August 13th] Madagascar Sapphire 0.298ct Loose
Sale price¥12,800
[8/13 22:00 Sale] Brazilian Aquamarine 0.255ct Loose Stone
Sale price¥6,980
[8/13 22:00 Sale] Tanzanian Zircon 1.035ct Loose Stone
Sale price¥9,800
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.