Welcome to
OscarGems
Gemstones & Jewellery
Gemstones & Jewellery
OscarGems is based in Geneva and specializes in buying and selling high-quality gemstones, as well as creating custom-made jewelry. We work with both professionals and private clients looking to invest or design unique pieces. Founded by gemologist Oscar Rovere, the company offers competitive prices thanks to a direct link between producers and clients. OscarGems also provides gemstone and jewelry valuations.