Greenland Sapphire 4.0mm/0.328ct Loose Stone with Certificate
Sale price¥39,800
Parasitic Peridot 0.292ct Loose Stone
Sale price¥98,000
Pigeon Blood Ruby 0.320ct Loose AIGS
Sale price¥48,800
Sri Lankan star sapphire 1.093ct loose
Sale price¥8,800
Nigerian Green Beryl 0.340ct Loose Stone
Sale price¥6,980
Cassiterite 4.2mm/0.676ct Loose Stone with Certificate of Authenticity
Sale price¥16,800
Australian Crystal & White Opal 13-Stone Half Eternity Ring Set (2.0mm)
Sale price¥98,000
Tanzanian kornerupine (total 1.103ct) 9-stone half eternity ring set (3.0mm)
Sale price¥118,000
Tanzanian kornerupine (total 1.151ct) 9-stone half eternity ring set (3.0mm)
Sale price¥128,000
American Benitoite 0.185ct Loose Stone
Sale price¥128,000
Pakistani Veirinite 0.147ct Loose Stone with Certificate of Authenticity
Sale price¥36,800
Brazilian Alexandrite 0.097ct Loose Stone (Emerald Cut)
Sale price¥38,800
Mozambique Rhodolite Garnet 1.052ct Loose Stone
Sale price¥8,800
Brazilian Blue Topaz 5.5mm/0.754ct Loose Stone
Sale price¥5,980
0.424ct Indian Chrysoberyl Loose Stone (Canary Yellow)
Sale price¥15,800
Brazilian Color-Shifting Amethyst 0.849ct Loose Stone
Sale price¥8,800
2.568ct loose Larimar from the Dominican Republic
Sale price¥8,800
Russian Demantoid Garnet (Horsetail) 3.8mm/0.255ct Loose Stone
Sale price¥39,800
Mexican Opal (Faceted) 0.242ct Loose
Sale price¥8,800
American Benitoite 0.165ct loose stone
Sale price¥59,800
18KPG pink sapphire 0.32ct brown diamond ring
Sale price¥69,800
Andalusite 5mm/0.480ct loose
Sale price¥3,980
Green quartz 10.330ct loose (pineapple cut)
Sale price¥4,980
Rose quartz 18.410ct loose (pineapple cut)
Sale price¥5,980
Colombian pyrite in emerald 7.836ct loose
Sale price¥398,000
Bicolor tourmaline 0.549ct loose (rose cut)
Sale price¥8,800
Bicolor tourmaline 0.669ct loose (rose cut)
Sale price¥8,800
Zoisite 1.219ct loose stone
Sale price¥15,800
Bicolor Benitoite 0.194ct loose (square cut)
Sale price¥128,000
Bicolor Euclase from Zimbabwe 0.084ct loose
Sale price¥98,000
Brazilian bicolor tourmaline 3.569ct loose
Sale price¥35,800
Brazilian bicolor tourmaline 3.291ct loose
Sale price¥35,800
Lepidocrocite in quartz 0.692ct loose
Sale price¥8,800
Lepidocrocite in Quartz 1.227ct Loose Stone
Sale price¥9,800
Lepidocrocite in quartz 1.555ct loose
Sale price¥12,800
Kunzite 8.4mm/2.908ct loose stone
Sale price¥19,800
Hackmanite 0.520ct loose stone
Sale price¥18,800
Yellow tourmaline 0.431ct loose stone
Sale price¥3,980
Blue tourmaline from Afghanistan 3.5mm/0.178ct loose
Sale price¥3,980
Blue tourmaline from Afghanistan 0.209ct loose
Sale price¥2,980
Rhodochrosite 0.516ct loose from Detroit City, USA
Sale price¥45,800
Rhodochrosite 0.527ct loose from Detroit City, USA
Sale price¥45,800
Parasite Peridot (Paracytic Peridot) 0.541ct Loose Japanese-German Edition
Sale price¥256,000
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.