Brazilian bicolor tourmaline 1.875ct loose stone
Sale price¥39,800
Colombian Euclase 1.344ct loose stone
Sale price¥26,800
Madagascar Apatite Cat's Eye 1.644ct Loose Stone
Sale price¥8,800
Brazilian Swiss Blue Topaz 0.889ct Loose Stone
Sale price¥8,800
Brazilian Swiss Blue Topaz 1.042ct Loose Stone
Sale price¥9,800
Brazilian Swiss Blue Topaz 0.724ct Loose Stone
Sale price¥8,800
Madagascar Aquamarine 1.678ct Loose Stone
Sale price¥15,800
Brazilian bicolor topaz 2.618ct loose stone (untreated)
Sale price¥18,800
Oregon Sunstone from the United States 1.951ct loose stone
Sale price¥12,800
Tanzanian bicolor tanzanite 1.284ct loose stone
Sale price¥29,800
Sri Lankan Cat's Eye Sapphire 2.177ct Loose
Sale price¥98,000
Mexican Hyalite Opal 1.687ct Loose
Sale price¥9,800
Tanzanite 1.458ct loose stone
Sale price¥39,800
Pyrope Almandine Garnet 2.514ct Loose Stone
Sale price¥29,800
Brazilian Sky Blue Topaz (untreated) 2.560ct loose stone
Sale price¥12,800
Australian Prehnite 6.0mm/1.004ct loose stone (rose cut)
Sale price¥8,800
Cambodian colorless zircon 1.806ct loose stone
Sale price¥15,800
Tanzanian Sunstone (Illusion Sunstone) 0.823ct Loose Stone
Sale price¥12,800
Cassiterite 1.477ct loose stone (bicolor) with certificate
Sale price¥39,800
Mexican Fire Opal 1.320ct Loose
Sale price¥13,800
Brazilian Green Spodumene 2.619ct Loose Stone
Sale price¥12,800
Brazilian Petalite 1.659ct loose stone
Sale price¥12,800
Mexican Hyalite Opal 6.9mm/1.134ct Loose
Sale price¥25,800
Mexican Hyalite Opal 6.1mm/0.652ct Loose Stone
Sale price¥25,800
[Sakura Shape] Brazilian Green Tourmaline 6.7mm/1.057ct Loose Patch
Sale price¥39,800
Mexican Fire Opal (Faceted Cut) 0.918ct Loose
Sale price¥12,800
White Topaz 2.563ct Loose (Needle-in Topaz)
Sale price¥5,980
Synthetic black opal 1.209ct loose stone
Sale price¥18,800
Brazilian copper rutilated quartz 1.445ct loose stone
Sale price¥8,800
Sunstone (Illusion Sunstone) 1.934ct Loose
Sale price¥8,800
Tanzania Bicolor Zoisite 6.9mm/1.365ct Loose Stone
Sale price¥24,800
Nigerian morganite 0.743ct loose stone
Sale price¥14,800
Brazilian Dumortierite in Quartz 1.256ct loose stone
Sale price¥15,800
Nigerian Morganite 0.862ct loose stone
Sale price¥17,800
Ethiopian Sunstone 1.563ct Loose
Sale price¥9,800
Zimbabwean Apatite (UV type) 2.609ct loose stone
Sale price¥19,800
Zimbabwean Apatite (UV type) 1.712ct loose stone
Sale price¥13,800
Brazilian Swiss Blue Topaz 6.4mm/1.225ct Loose Stone
Sale price¥9,800
Spanish Sphalerite 6.3mm/1.771ct loose stone
Sale price¥8,800
Australian Rainbow Lattice Sunstone 1.914ct Loose Stone
Sale price¥19,800
Australian Rainbow Lattice Sunstone 0.795ct Loose Stone
Sale price¥8,800
Afghanistan Bicolor Tourmaline 2.664ct Loose Stone (Seafoam Tourmaline)
Sale price¥128,000
Brazilian Medusa Quartz (Paraiba Quartz) 2.117ct loose stone
Sale price¥6,980
Brazilian Limonite in Beryl 2.975ct loose stone
Sale price¥5,980
Madagascar sphene 1.751ct loose stone
Sale price¥19,800
Brazilian Indigolite Tourmaline in Quartz 2.036ct Loose Stone
Sale price¥12,800
Tanzania Peristerite 0.805ct loose stone
Sale price¥6,980
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.