German Apatite 0.097ct loose stone
Sale price¥39,800
Chinese Cinnabar 0.549ct Loose Stone with Certificate of Authenticity
Sale price¥19,800
Sierra Leone sapphire 1.470ct loose
Sale price¥9,800
Sierra Leone sapphire 1.210ct loose
Sale price¥7,980
Hackmanite 0.506ct loose
Sale price¥45,800
Bicolor star sapphire from Myanmar 1.190ct loose (pink sapphire)
Sale price¥25,800
Silky pink spinel from Mozambique 0.610ct loose
Sale price¥18,800
Brazilian Andalusite 0.634ct loose
Sale price¥3,980
Brazilian Andalusite 0.608ct loose
Sale price¥3,980
Tagtupite from Greenland 0.477ct loose
Sale price¥9,800
South African rough diamond (sawable) 0.105ct rough (with trigon)
Sale price¥39,800
[12554117] Brazilian Alexandrite 0.058ct loose stone
Sale price¥14,800
Colombian Trapiche Emerald 1.448ct Loose
Sale price¥69,800
[12549429] Blue sapphire 0.862ct loose stone
Sale price¥25,800
Brazilian bicolor tourmaline 0.258ct loose stone
Sale price¥8,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 1.490ct Loose (Faceted)
Sale price¥35,800
Madagascar emerald 0.816ct loose stone
Sale price¥98,000
Tanzanian Dragon Garnet 0.710ct Loose Stone
Sale price¥19,800
Bicolor tourmaline 0.435ct loose (rose cut)
Sale price¥5,980
Bicolor tourmaline 0.591ct loose (rose cut)
Sale price¥8,980
Bicolor pink euclase from Brazil 3.210ct loose Japanese-German edition
Sale price¥798,000
Pink tourmaline 0.482ct loose stone
Sale price¥5,980
Pt950 Benitoite 0.10ct Aquamarine Blue Diamond Ring
Sale price¥89,800
Bicolor pink star sapphire from Mogok 0.360ct loose
Sale price¥24,800
Brazilian Goshenite 0.259ct loose stone
Sale price¥6,980
Tanzanian Rhodolite Garnet 0.405ct Loose Stone
Sale price¥6,980
Tanzanian Almandine Garnet 2.992ct Loose Stone, Japan-Germany Exchange
Sale price¥15,800
Prehnite 3.874ct loose
Sale price¥3,980
Playnight 3.085ct loose
Sale price¥3,980
Brazilian alexandrite 0.082ct loose
Sale price¥15,800
Prehnite 3.870ct loose
Sale price¥3,980
Benitoite 2.7mm/0.114ct loose
Sale price¥25,800
Red spinel 0.195ct loose
Sale price¥5,980
Malawi Bicolor Zircon 0.811ct Loose Stone
Sale price¥29,800
Set of 2 rutile stones, 6.213ct (rough stone + loose stone)
Sale price¥59,800
American Benitoite 2.2mm/0.270ct Loose Stone (Gradation Set)
Sale price¥69,800
Zimbabwean Bicolor Euclase 0.146ct Loose Stone
Sale price¥35,800
Nigerian morganite 1.149ct loose stone
Sale price¥19,800
South African Sugilite 5.2mm/0.434ct Loose Stone (Rose Cut)
Sale price¥18,800
Afghanistan Hackmanite 0.091ct loose stone
Sale price¥18,800
Zimbabwean sphene 0.665ct loose stone
Sale price¥12,800
Mongolian Bicolor Andesine 0.944ct Loose Stone
Sale price¥15,800
Zimbabwean sphene 1.170ct loose stone
Sale price¥22,800
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.