Our Credentials.

All of our certified diamonds come with a certificate issued exclusively by the Gemological Institute of America (GIA). Founded in 1931, GIA is the world’s leading authority on diamonds, colored gemstones, and pearls. GIA set the benchmark for knowledge, standards and education in the field of gemology and jewellery. 

Each Carah piece is hallmarked by The Goldsmiths’ Company Assay Office, verifying the exceptional quality of our precious metals. Established to oversee and regulate the goldsmithing trade, The Goldsmiths’ Company has been testing the purity of gold and silver since 1300, and platinum since 1975.