Pigeon Blood Ruby 0.250ct Loose
Sale price¥79,800
Russian Demantoid Garnet (Horsetail Inclusions) 4.7mm/0.445ct Loose
Sale price¥69,800
Bicolor Euclase from Zimbabwe 0.211ct loose
Sale price¥79,800
[Moonsteiner] Pyrite in Quartz 8.099ct
Sale price¥59,800
Bicolor Euclase from Zimbabwe 0.375ct Ruth Japanese-German Edition
Sale price¥98,000
Zimbabwean sphene 7.0mm/1.661ct loose stone
Sale price¥59,800
Bicolor Benitoite 0.130ct loose (emerald cut)
Sale price¥65,800
Tanzanian Bicolor Grossular Garnet 2.997ct Loose Stone
Sale price¥69,800
Zimbabwean sphene, 2.067ct loose
Sale price¥59,800
Zimbabwean Sphene 2.520ct Loose Gemstone
Sale price¥59,800
Brazilian green tourmaline 1.233 ct loose stone
Sale price¥69,800
Brazilian Santa Maria Aquamarine 0.524ct Loose Stone
Sale price¥55,800
Kenyan Tsavorite 1.026ct Loose Stone
Sale price¥98,000
Kunzite from Afghanistan 23.634ct loose stone
Sale price¥98,000
Rough diamond (sawable) 0.466ct rough diamond (with trigon)
Sale price¥98,000
Brazilian green tourmaline 4.345ct loose stone
Sale price¥69,800
Tanzanite from Tanzania 2.777ct loose stone
Sale price¥98,000
Myanmar Color Change Zircon 5.3mm/1.043ct Loose Stone
Sale price¥69,800
Sri Lankan Twin Star Sapphire 5.225ct Loose
Sale price¥98,000
Parasitic Peridot 0.241ct Loose Stone, Japan-Germany Scale
Sale price¥98,000
Brazilian Paraiba Tourmaline 0.115ct Loose (CuO:2.0%, MnO:0.6%)
Sale price¥59,800
Mexican Fire Agate 14.193ct Loose Stone
Sale price¥69,800
Mexican Fire Agate 10.683ct Loose Stone
Sale price¥59,800
Russian Demantoid Garnet (Horsetail) 4.2mm/0.325ct Loose Stone
Sale price¥59,800
Spanish bicolor sphalerite 6.230ct loose
Sale price¥69,800
![[Dandelion Cut] Tibetan Color-Change Andesine 8.0mm/1.883ct Loose Gemstone](http://store.karatz.jp/cdn/shop/files/PC240687_17092de1-0b80-4a3c-84f4-3be10962a6ea.jpg?v=1768701027&width=3302)
1.689ct loose teal blue sapphire
Sale price¥98,000
Brazilian green tourmaline 3.102ct loose stone
Sale price¥69,800
Sri Lankan star sapphire 5.066ct loose
Sale price¥69,800
Australian black opal 2.736ct loose
Sale price¥98,000
Sri Lankan star sapphire 3.821ct loose
Sale price¥79,800
Sri Lankan star sapphire 3.317ct loose
Sale price¥59,800
Sri Lankan star sapphire 11.342ct loose
Sale price¥69,800
Sri Lankan blue sapphire 1.008ct loose stone
Sale price¥69,800
Mexican Cantera Opal 9.166ct Loose
Sale price¥69,800
Zambian bicolor tourmaline 4.019ct loose stone
Sale price¥98,000
Sphene from Madagascar 1.229ct loose
Sale price¥55,800
South African rhodochrosite 1.333ct loose Japanese-German edition
Sale price¥98,000
Dioptase from Namibia 3.1mm/0.132ct loose Japanese-German edition
Sale price¥55,800
2.275ct Australian Black Opal Loose Stone (Double Sided)
Sale price¥59,800
Dioptase from Namibia 0.229ct loose Japanese-German book
Sale price¥69,800
Dioptase from Namibia 3.3mm/0.162ct loose Japanese-German edition
Sale price¥79,800
Oregon Sunstone from the United States, 4.678ct loose stone
Sale price¥69,800
Hemimorphite 34.490ct loose
Sale price¥55,800
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.