Madagascar Purple Sapphire 4.5mm/0.393ct Loose Stone
Sale price¥18,800
Madagascar Purple Sapphire 4.5mm/0.435ct Loose Stone
Sale price¥18,800
Brazilian Santa Maria Aquamarine 0.968ct loose stone
Sale price¥69,800
Tanzanite from Tanzania 5.8mm/0.803ct loose stone
Sale price¥35,800
Myanmar color change zircon 0.421ct loose stone
Sale price¥39,800
Myanmar color change zircon 0.720ct loose stone
Sale price¥69,800
Afghanistan Lazurite in Sodalite 0.581ct Loose Stone
Sale price¥18,800
Russian Demantoid Garnet (Horsetail certified) 2.4mm/0.063ct loose stone
Sale price¥39,800
Russian Demantoid Garnet (Horsetail certified) 4.6mm/0.464ct loose stone
Sale price¥128,000
Russian Alexandrite 0.065ct loose stone
Sale price¥59,800
Australian black opal 0.404ct loose stone
Sale price¥9,800
Russian demantoid garnet (horsetail recognized) 2mm/0.055ct loose
Sale price¥6,980
Oregon Sunstone from the United States 0.605ct loose stone
Sale price¥8,800
Pakistani Axinite (Blue Tint) 0.300ct Loose
Sale price¥7,980
Pakistani Axinite 0.583ct loose stone
Sale price¥8,800
Mexican Hyalite Opal 0.873ct Loose
Sale price¥9,800
Mexican Hyalite Opal 0.664ct Loose
Sale price¥6,980
Tibetan Andesine 5.2mm/0.453ct Loose Stone
Sale price¥4,980
Myanmar Musgravite 0.351ct Loose Stone Japan-Germany
Sale price¥188,000
Mexican Fire Opal (Faceted Cut) 0.934ct Loose
Sale price¥25,800
American Red Beryl 0.104ct Loose
Sale price¥15,800
Nigerian Blue Garnite 0.794ct Loose Stone, Japan-Germany Exchange
Sale price¥79,800
Brazilian Alexandrite 0.097ct loose stone
Sale price¥18,800
Montana Sapphire 4mm/0.330ct Loose (Yellow Sapphire)
Sale price¥7,980
Ruby 0.258ct loose
Sale price¥18,800
Synthetic Alexandrite 0.570ct loose stone
Sale price¥18,800
Kasharai Amethyst 0.430ct Loose
Sale price¥12,800
Australian black opal 0.544ct loose stone
Sale price¥18,800
Tanzania Peristerite 0.911ct Loose Stone (Royal Blue Moonstone)
Sale price¥15,800
Sri Lankan Yellow Sapphire 0.350ct Loose
Sale price¥12,800
Sri Lankan Yellow Sapphire 0.474ct Loose
Sale price¥15,800
American Red Beryl 0.254ct Loose
Sale price¥59,800
American Red Beryl 0.260ct Loose
Sale price¥69,800
Brazilian unheated pink imperial topaz (sherry pink) 0.931ct loose stone
Sale price¥98,000
Brazilian unheated pink imperial topaz (sherry pink) 0.254ct loose stone
Sale price¥14,800
Sri Lankan Violet Spinel 0.592ct Loose
Sale price¥8,800
Brazilian Paraiba Tourmaline in Quartz 6.0mm/0.794ct Loose Stone
Sale price¥15,800
Moldavite from former Czechoslovakia 0.077ct loose stone
Sale price¥6,980
Sri Lankan bicolor sapphire 0.484ct loose stone
Sale price¥12,800
Zimbabwe bicolor euclase 0.205ct loose stone
Sale price¥98,000
Kenyan gold sheen sapphire 2.3mm/0.079ct loose
Sale price¥6,980
Amazon Green Opal 7mm/0.88ct 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.