Microscope for diamonds, model HAD Magnifier Style_Loupe or eyeglass but there isn't much room

but there isn't much room to fit stones mounted in jewellery

Moissanite is not diamond but it is useful to be able to detect these because they show up as diamond on cheap diamond testers

The Multi-Experior distinguishes diamond from non-diamond (simulant/imitation)

pocket-size if you have a large pocket)

even if the back is 'closed' (not open to the light)

Microscope for diamonds, model HAD Magnifier Style_Loupe or eyeglass but there isn't much roomGeneral For reading laser inscriptions around the edge (girdle) of diamonds. For mounted rings, insert the ring shank into the foam, raise the stage until the girdle is level with the lens, turn the knob until the lens is close to the girdle and in focus (this distance determines the magnification). For loose stones there are a couple of stone holders. The adjustable light is dimmable (easier to get a perfectly exposed image without having to fiddle