Diamonds and gemstones of similar
appearance can have important differences in value.
Even experts need powerful analytic tools to detect
synthetics, treatments and enhancement processes. An
SGL London Report clearly discloses the details
of any item it accompanies, providing confidence for
both buyer and seller.
With more locations around the globe
than any other laboratory, SGL London is the most trusted
name for the expert and impartial grading of diamonds,
gemstones & jewellery. Gemstones should only change
hands |