Silver Jewellers Eye Magnifier Loupe. This sterling silver Jewellers Loupe makes a great present for any jeweller who needs to perform close up work. The Silver Jewellers loup has a magnification of 20 x 21mm. The Silver magnifying Loupe is fully hallmarked and folds inside it`s silver case. The size of the Magnifying Loupe is approx. 40mm x 25mm. Presented in a gift box. Can be engraved with name, date or initials.