Madagascar Purple Sapphire 0.429ct Loose
Sale price¥12,800
Madagascar pink sapphire 0.335ct loose stone
Sale price¥14,800
Madagascar pink sapphire 0.527ct loose stone
Sale price¥18,800
Brazilian Dalmatian Quartz 2.041ct Loose Stone
Sale price¥12,800
Brazilian Petalite 0.615ct loose stone
Sale price¥6,980
Brazilian Quartz (Striped Quartz) 15.019ct Loose Patch
Sale price¥8,800
Cambodian colorless zircon 1.218ct loose stone (orange fluorescence)
Sale price¥12,800
Cambodian colorless zircon 1.149ct loose stone (orange fluorescence)
Sale price¥12,800
Cambodian colorless zircon 0.676ct loose stone (orange fluorescence)
Sale price¥6,980
Brazilian Paraiba Tourmaline in Quartz 2.403ct loose stone
Sale price¥45,800
Brazilian Paraiba Tourmaline in Quartz 1.618ct Loose Stone
Sale price¥25,800
Brazilian Paraiba Tourmaline in Quartz 1.571ct Loose Stone
Sale price¥29,800
Brazilian Paraiba Tourmaline in Quartz 1.271ct Loose Stone
Sale price¥22,800
Brazilian dendritic quartz 2.381ct loose stone
Sale price¥7,980
Tanzanian Purple Sapphire 0.681ct Loose Stone (Color Shift)
Sale price¥19,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 1.819ct Loose Stone
Sale price¥29,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 2.473ct Loose Stone
Sale price¥29,800
Brazilian Paraiba Tourmaline in Quartz 8.0mm/1.290ct Loose Stone
Sale price¥25,800
Silky sapphire from Sri Lanka 0.975ct loose
Sale price¥8,800
Sri Lankan Silky Sapphire 1.166ct Loose
Sale price¥12,800
Brazilian bicolor tourmaline 0.644ct loose stone
Sale price¥9,800
Brazilian Paraiba Tourmaline in Quartz 6.0mm/0.441ct Loose Stone
Sale price¥22,800
Madeleine "Semi-custom ring setting"
Sale price¥89,800
Madeleine "Semi-custom ring setting"
Sale price¥105,800
Madeleine "Semi-custom ring setting"
Sale price¥89,800
Brazilian Dumortierite in Quartz 2.551ct Loose Stone
Sale price¥19,800
Chrysoprase 3.003ct loose stone
Sale price¥9,800
Chrysoprase 2.959ct loose stone
Sale price¥8,800
Chrysoprase 3.108ct loose stone
Sale price¥8,800
Peruvian Rhodochrosite 2-stone set 12.816ct rough stone
Sale price¥15,800
Brazilian rutilated quartz (rutilated quartz) 7.8mm/1.320ct loose stone
Sale price¥12,800
Brazilian rutilated quartz (rutilated quartz) 8.0mm/1.335ct loose stone
Sale price¥12,800
Pt900 Kashmir unheated sapphire 1.14ct / diamond 0.70ct ring GIA
Sale price¥1,000,000
Brazilian Rubellite Cat's Eye 1.484ct Loose Stone
Sale price¥39,800
Brazilian Rubellite 0.897ct loose stone
Sale price¥29,800
Bicolor tourmaline 1.833ct loose
Sale price¥18,800
Madagascar sphene 1.080ct loose stone
Sale price¥12,800
Madagascar sphene 0.991ct loose stone
Sale price¥12,800
Madagascar sphene 1.002ct loose stone
Sale price¥15,800
Brazilian Blue Topaz 2.912ct Loose
Sale price¥12,800
Brazilian Sky Blue Topaz (untreated) 1.470ct loose stone
Sale price¥12,800
Mozambique Almandine Garnet 2.185ct Loose Stone
Sale price¥15,800
Mozambique Almandine Garnet 1.071ct Loose Stone
Sale price¥9,800
Brazilian Sky Blue Topaz (untreated) 0.968ct loose stone
Sale price¥12,800
Bicolor fluorite 1.076ct loose stone
Sale price¥7,980
Bicolor fluorite 1.281ct loose stone
Sale price¥7,980
Bicolor Fluorite 1.188ct Loose
Sale price¥7,980
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.