Tibetan Andesine 0.967ct Loose Stone
Sale price¥15,800
Brazilian Bicolor Beryl 0.556ct Loose Stone
Sale price¥29,800
American Anthill Garnet 0.822ct Loose Stone
Sale price¥19,800
Brazilian Andalusite 0.634ct loose
Sale price¥3,980
Brazilian Andalusite 0.608ct loose
Sale price¥3,980
Silky pink spinel from Mozambique 0.610ct loose
Sale price¥18,800
Hackmanite 0.506ct loose
Sale price¥45,800
Tanzanian Clinozoisite 0.950ct Loose Stone (Phantom Cut)
Sale price¥3,980
Tanzanian Clinozoisite 0.710ct Loose Stone (Phantom Cut)
Sale price¥3,980
Tanzanian Clinozoisite 0.560ct Loose Stone (Phantom Cut)
Sale price¥3,980
Spinel from Sri Lanka 0.800ct loose
Sale price¥6,980
American fluorite 0.842ct loose stone
Sale price¥2,980
Trapiche emerald 0.650ct loose (reverse trapiche)
Sale price¥6,980
Cat Cut (Leopard Print) Amber 0.906ct Loose Stone
Sale price¥9,800
Russian demantoid garnet (horsetail recognized) 5.8mm/0.876ct loose
Sale price¥258,000
Spinel 0.705ct loose (rose cut)
Sale price¥6,980
[Mr. NOBU] Green Opal from Amazon [Collaboration] 6.8mm loose
Sale price¥6,980
[Cat cut] Amazon green opal 6.5mm/0.580ct loose
Sale price¥6,980
Brazilian Indigolite Tourmaline 0.609ct Loose Stone JTL
Sale price¥25,800
Brazilian Imperial Topaz 0.563ct Loose Stone
Sale price¥15,800
Tanzanian Rhodolite Garnet 0.801ct Loose Stone
Sale price¥9,800
Chinese Cinnabar 0.549ct Loose Stone with Certificate of Authenticity
Sale price¥19,800
Tanzanian Dragon Garnet 0.829ct Loose Stone
Sale price¥22,800
Tanzanian Dragon Garnet 0.754ct Loose Stone
Sale price¥19,800
Diamond 0.618ct loose (I, I1, tree cut)
Sale price¥128,000
Brazilian Elestial Amethyst 0.809ct Loose Stone
Sale price¥6,980
Brazilian Elestial Amethyst 0.673ct Loose Stone
Sale price¥9,800
Brazilian Elestial Amethyst 0.850ct Loose Stone
Sale price¥8,800
Brazilian Elestial Amethyst 0.724ct Loose Stone
Sale price¥6,980
Congo Pink Tourmaline 6.0mm/0.825ct Loose Stone
Sale price¥29,800
Congo Pink Tourmaline 5.9mm/0.798ct Loose Stone
Sale price¥25,800
Brazilian green tourmaline 0.755ct loose stone
Sale price¥18,800
0.610ct loose blue apatite from Madagascar
Sale price¥9,800
Brazilian Dumortierite in Quartz 0.978ct Loose Stone
Sale price¥12,800
Brazilian mint-colored emerald 0.945ct loose stone
Sale price¥25,800
African bicolor tourmaline 0.950ct loose stone (phantom cut)
Sale price¥9,800
Bicolor tourmaline 0.780ct loose
Sale price¥9,800
Bicolor Benitoite 0.624ct Loose Japanese-German Edition
Sale price¥188,000
[12560244] Bicolor Zoisite 0.508ct Loose Stone
Sale price¥7,980
Violet spinel 0.514ct loose stone
Sale price¥6,980
Purple spinel 0.825ct loose stone
Sale price¥5,980
Morganite 0.960ct loose (Asscher cut)
Sale price¥9,800
Bicolor tourmaline 0.880ct loose
Sale price¥8,800
Salt and Pepper Diamond 5.2mm/0.863ct Loose (Cabochon Cut)
Sale price¥98,000
[Sakura In-Cut] Spanish Andalusite 6.0mm/0.715ct Loose Stone
Sale price¥59,800
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.