Sri Lankan Blue Sapphire (Ice Blue) 0.584ct Loose
Sale price¥8,800
Australian black opal 0.650ct loose
Sale price¥15,800
Colombian emerald 0.512ct loose stone (silky type)
Sale price¥12,800
0.559ct Brazilian Emerald Cat's Eye Loose Stone with Certificate
Sale price¥9,800
Green Kyanite from Nepal 0.764ct Loose
Sale price¥6,980
Colombian Trapiche emerald 0.611ct rough stone
Sale price¥59,800
Goshenite 6.1mm/0.905ct loose stone
Sale price¥7,980
Spanish Andalusite 0.930ct Loose Gemstone
Sale price¥12,800
Andalusite from Spain, 0.571 ct loose
Sale price¥7,980
Spanish Andalusite 0.536ct Loose Gemstone
Sale price¥9,800
Andalusite from Spain, 0.598 ct, loose
Sale price¥9,800
Sri Lankan Chrysoberyl Cat's Eye 4.3mm/0.582ct Loose Stone
Sale price¥15,800
GGG (Gadolinium Gallium Garnet) 0.511 ct Loose Stone
Sale price¥12,800
Synthetic Alexandrite 0.885ct Loose
Sale price¥18,800
Synthetic Alexandrite Loose Stone 5.8mm/0.979ct
Sale price¥22,800
Synthetic Alexandrite 0.808ct Loose
Sale price¥18,800
Brazilian Lavender Quartz (Scorolite) 0.952ct Loose Stone
Sale price¥9,800
Brazilian Sky Blue Topaz, 0.756 ct, loose stone
Sale price¥8,800
Sri Lankan Yellow Sapphire 0.517ct Loose Gemstone
Sale price¥12,800
Brazilian Sky Blue Topaz 0.802ct Loose Stone
Sale price¥9,800
Bicolor Zoisite 0.823ct rough stone
Sale price¥6,980
Mica in Quartz 0.865ct Loose Stone
Sale price¥5,980
Mica in Quartz 0.736ct loose stone
Sale price¥5,980
Mica in Quartz 0.710ct Loose
Sale price¥5,980
Ruby 0.528ct Loose Stone with Gem Identification Report
Sale price¥28,800
0.689ct Loose Colombian Emerald
Sale price¥18,800
Mica in Quartz 0.594ct loose stone
Sale price¥5,980
Oregon Sunstone 0.575ct loose
Sale price¥9,800
South African Sugilite 0.814ct loose stone
Sale price¥12,800
Andalusite 0.672ct loose
Sale price¥8,800
Vietnam unheated silky pink sapphire 0.580ct loose stone
Sale price¥12,800
Violet spinel 0.642ct loose
Sale price¥6,980
Green tourmaline 0.559ct loose
Sale price¥6,980
Pink tourmaline 0.632ct loose
Sale price¥9,800
Mexican Hyalite Opal 0.774ct Loose (Faceted Cut)
Sale price¥8,800
Mexican Fire Opal (faceted) 0.645ct Loose Stone
Sale price¥18,800
Oregon Sunstone from the United States 0.941ct loose stone
Sale price¥12,800
Brazilian Bicolor Tourmaline 0.780ct Loose
Sale price¥12,800
Brown Diamond 6.5mm/0.989ct Loose Stone (FANCY DARK ORANGE BROWN, SI-2)
Sale price¥98,000
Bicolor Grossular Garnet (Bicolor Tsavorite) from Kenya, 0.761 ct, Loose
Sale price¥22,800
Madagascar Pezzottaite 0.554ct loose stone
Sale price¥15,800
Namibian Hemimorphite 0.697ct Loose Stone
Sale price¥7,980
Namibian Hemimorphite 0.615ct Loose Stone
Sale price¥7,980
Nepalese bicolor kyanite 0.987ct loose stone
Sale price¥9,800
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.