Vietnam Aquamarine 5.1mm/0.410ct Loose Stone
Sale price¥6,980
Vietnam Aquamarine 5.9mm/0.700ct Loose Stone
Sale price¥8,800
Vietnam Aquamarine 5.1mm/0.457ct Loose Stone
Sale price¥6,980
Amazon Green Opal 0.781ct Loose (Faceted Cut)
Sale price¥7,980
Purple spinel 0.955ct loose stone
Sale price¥19,800
Oregon Sunstone from the United States 0.736ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 1.352ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 1.381ct loose stone
Sale price¥8,800
Brazilian copper rutilated quartz 1.610ct loose stone
Sale price¥8,800
Sri Lankan Chrysoberyl Cat's Eye 1.514ct Loose Stone
Sale price¥6,980
Sri Lankan Chrysoberyl Cat's Eye 1.355ct Loose Stone
Sale price¥6,980
Synthetic Moissanite 5.8mm/0.678ct Loose Stone
Sale price¥9,800
Synthetic Moissanite 5.8mm/0.682ct Loose Stone
Sale price¥9,800
Vietnam Yellow Beryl (Heliodor) 0.904ct Loose Stone
Sale price¥8,800
Vietnam Yellow Beryl (Heliodor) 0.911ct Loose Stone
Sale price¥8,800
Synthetic Moissanite 0.634ct loose stone
Sale price¥9,800
Tanzanian Mandarin Garnet 2.039ct Loose Stone
Sale price¥8,800
Cornflower Blue Sapphire 1.080ct Loose AIGS
Sale price¥158,000
Tanzanian Kornerupine Cat's Eye 1.608ct Loose Stone
Sale price¥6,980
American Herkimer Diamond (Rock Crystal) 5.5mm/0.528ct Loose
Sale price¥8,800
Goshenite 5.7mm/0.572ct loose stone
Sale price¥5,980
Tanzanite 0.760ct loose stone (sugarloaf cut)
Sale price¥9,800
Synthetic Moissanite 6.0mm/0.688ct Loose Stone
Sale price¥9,800
Synthetic rutile 0.942ct loose stone
Sale price¥14,800
Tanzania Purple Zoisite 0.863ct Rough Stone
Sale price¥8,800
[12549597 published] Goshenite 0.439ct loose
Sale price¥5,980
[12551312] Zimbabwean Blue Apatite (UV Type) 1.312ct Loose Stone
Sale price¥9,800
[12550887] Paraiba Tourmaline from Mozambique 0.784ct loose stone
Sale price¥128,000
Colombian Trapiche Emerald 0.488ct Loose
Sale price¥25,800
Madagascar sapphire 0.448ct loose stone
Sale price¥19,800
Ethiopian Opal 0.629ct Loose (Sphere)
Sale price¥7,980
Brazilian Pink Tourmaline 0.561ct Loose Stone
Sale price¥9,800
Vietnam Aquamarine 0.494ct Loose Stone
Sale price¥8,800
Sky blue topaz 0.830ct loose stone
Sale price¥6,980
Pink tourmaline 0.692ct loose stone
Sale price¥18,800
Pink tourmaline 0.845ct loose stone
Sale price¥14,800
Yellow Opal 0.372ct Loose (Faceted Cut)
Sale price¥8,800
Pink spinel 0.713ct loose stone
Sale price¥8,800
Paraiba Tourmaline from Mozambique 0.171ct loose stone
Sale price¥8,980
Tanzania Green Zoisite 0.709ct Loose Stone
Sale price¥19,800
Tanzanite 1.116ct loose stone
Sale price¥29,800
Ethiopian Opal 5.7mm/0.878ct Loose (Sphere)
Sale price¥7,980
Tibetan bicolor andesine 1.485ct loose stone (color change andesine)
Sale price¥18,800
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.