20X12 Loupe five elements For the partially sighted_No the stronger the colour the

the stronger the colour the clearer the spectrum

Silver plating solution is a 'consumable' and cannot be returned

if the stone is a natural diamond or a synthetic diamond

See  loupes with UV lights

20X12 Loupe five elements For the partially sighted_No the stronger the colour theSummary 20X12 The 'standard' magnification for a loupe (for jewellery & gemstones, stamps & coins) is 10X. This one is 20X The diameter of the lens is 12mm* * useable diameter of this lens (allowing for the rim that holds the lens in place) 11. 5MM Too see reviews of loupes, click here Detail If you want a 20X magnification loupe, go for the absolute best quality smallest lens (this one is 5 element, better than than the usual high quality 'triplet'