Xiaokeis Pocket Jewelry Loupe, 30X Mini Folding Magnifier Jeweler Loupe, Magnifying Glasses Diamond Tester, Jewelry Loop Magnifier for Porcelain

【Premium Quality】Our magnifying glasses are thicker than most and provide great magnification to produce top notch image clarity. Magnify up to 300%,

2 Pcs Mini 30X 21mm Jeweler Jeweler's Jewelry Loupe Magnifier

30X 60X Pocket Folding LED Illuminated Dual Lens Jewelers Loupe Magnifier - China Magnifier, Magnifying Glass

30X21mm Jewelers Eye Magnifying Glass Pocket Diamond Loupe Magnifier - China Magnifier, Magnifying Glass

Mini Folding Magnifier 30x 21mm Jewelers Eye Magnifying Glass Magnifier Pocket Handheld Tools Portable Magnifying Glass : Health & Household

Jewelers Loupe Magnifier Pocket Foldable 30x 21mm Jewelry Eye Magnifying Glass Magnifier for Jewelers Gems Diamonds Plants Coins Stamps Antiques and More : Arts, Crafts & Sewing

30X MAGNIFICATION: This jewelers loupe has 2 bright lights and a high power eye lens which allows you to magnify small objects. Perfect for magnifying

30X Jewelers Loupe Magnifying Glass with Light, Jewelry Magnifier Eye Loop, Metal Pocket Magnifying Glass for Jewelry, Plants, Diamonds, Gems, Coins

Mini Folding Magnifier 30x 21mm Jewelers Eye Magnifying Glass Magnifier Pocket Handheld Tools Portable Magnifying Glass : Health & Household

Jewelry Loupe Magnifier with UV LED Light, AFUNTA 30X 60X 90X Slide Out Pocket Magnifying Glass for Jewelry Diamonds Gems Coins Stamps Rocks Watches Hobbies Antiques Models Photos -Black : Health

BINYOU Portable Jewelers Eye Loupe Magnifier Magnifying Glass Jewelry Diamond 30x21mm

The light is used for checking fluorescence in diamonds. Diamonds with fluorescence will appear cloudy when viewed with the light on. Fluorescence is not 'diagnostic' but, as with most tests, it eliminates some possibilities, opens other possibilities, suggests which other tests to carry out, and that's how gemologists identify stones.

21mm Jeweler Loupe 10x Magnifier with LED and UV Light