Brazilian Santa Maria Aquamarine 0.181ct loose
Sale price¥6,980
Santa Maria Aquamarine from Brazil 0.189ct loose
Sale price¥5,980
Montana Sapphire 0.254ct loose
Sale price¥9,800
American red beryl 0.138ct loose
Sale price¥34,800
American red beryl 0.207ct loose
Sale price¥49,800
American Red Beryl 0.120ct Loose
Sale price¥29,800
American red beryl 0.116ct loose
Sale price¥29,800
American red beryl 0.184ct loose
Sale price¥46,800
American Herkimer Diamond (Rock Crystal) 5.5mm/0.534ct Loose
Sale price¥8,800
American Herkimer Diamond (Rock Crystal) 5.3mm/0.594ct Loose
Sale price¥8,800
Tanzanian Kornerupine Cat's Eye 0.866ct Loose Stone
Sale price¥5,980
Tanzanian Kornerupine Cat's Eye 0.725ct Loose Stone
Sale price¥4,980
Brazilian Paraiba tourmaline in quartz 0.819ct loose
Sale price¥15,800
Australian Rainbow Lattice Sunstone 0.865ct Loose
Sale price¥6,980
Cambodian blue zircon 0.258ct loose
Sale price¥6,980
Cambodian blue zircon 0.197ct loose
Sale price¥5,980
Cambodian blue zircon 0.169ct loose
Sale price¥5,980
Cambodian blue zircon 0.217ct loose
Sale price¥6,980
Cambodian blue zircon 0.267ct loose
Sale price¥6,980
Purple Spinel 4.8mm/0.422ct Loose Stone
Sale price¥6,980
Pink spinel 5.2mm/0.517ct loose stone
Sale price¥6,980
Pink spinel 5.2mm/0.573ct loose stone
Sale price¥6,580
Purple spinel 4.5mm/0.365ct loose
Sale price¥4,980
Pink spinel 4.3mm/0.342ct loose
Sale price¥6,980
Pink spinel 3.8mm/0.192ct loose
Sale price¥5,980
Russian emerald 0.712ct loose
Sale price¥59,800
Montana Sapphire 0.235ct loose (yellow sapphire)
Sale price¥8,800
Auinite 2.3mm/0.060ct loose
Sale price¥7,980
Auinite 2.6mm/0.084ct loose
Sale price¥9,800
Auinite 2.4mm/0.064ct loose
Sale price¥9,800
Montana Sapphire 0.458ct Loose (Bi-Color Sapphire)
Sale price¥14,800
Montana Sapphire 0.416ct Loose (Bi-Color Sapphire)
Sale price¥12,800
Pink Diamond 0.073 Loose (FANCY DEEP PURPLISH PINK, SI1)
Sale price¥88,800
Madeira citrine 0.170ct loose
Sale price¥5,980
Montana Sapphire 0.515ct loose (bicolor sapphire)
Sale price¥19,800
Montana Sapphire 0.361ct loose (yellow sapphire)
Sale price¥14,800
Montana Sapphire 0.561ct loose (bicolor sapphire)
Sale price¥22,800
Montana Sapphire 0.443ct loose (green sapphire)
Sale price¥15,800
Montana Sapphire 0.397ct loose (bicolor sapphire)
Sale price¥15,800
Montana sapphire 0.359ct loose (blue sapphire)
Sale price¥15,800
Montana Sapphire 0.449ct loose (bicolor sapphire)
Sale price¥17,800
Indian alexandrite cat's eye 0.422ct loose
Sale price¥12,800
Oregon Sunstone 0.551ct loose
Sale price¥9,800
Spanish Andalusite 0.645ct loose stone
Sale price¥8,800
Lazurite in quartz from Madagascar 0.990ct loose
Sale price¥14,800
Myanmar Violet Spinel 0.776ct Loose
Sale price¥12,800
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.