Professional
Jewelry and Hallmark Inspection on iPhone [40x Zoom]
Buying, selling or insuring jewelry means checking details too small for the naked eye. Hallmarks that state metal purity are often 1 to 2 mm tall and worn. Inclusions in a stone, prong wear and old repairs only show up under magnification and good light.
How LoupeLens helps
LoupeLens zooms up to 40x with a flashlight you can dim, which matters on polished metal and faceted stones, where full light causes glare. Use it to read hallmarks inside a ring, look for visible inclusions, check prongs and photograph each piece. It is digital zoom, so it does not replace a jeweler’s 10x loupe for grading, but it is always in your pocket.
Real situations
Evaluating a Purchase
Before buying a ring from a private seller or at an estate sale, zoom to 8x to 10x and look at the stone for visible inclusions or chips, the band for a hallmark, and the prongs for wear. A few minutes of checking can save you from an expensive mistake.
Checking Hallmarks
Hallmarks inside rings or on clasps are small and often worn. At about 10x, with the light angled across the stamp, marks such as 925 (sterling silver), 750 (18k gold) and maker’s marks become readable.
Insurance Documentation
Capture photos of each piece: the stones, the setting, the hallmark and any distinctive marks or damage. Keep them with your receipts; clear photos make an insurance claim or appraisal easier to document.
Compared with the alternatives
Jeweler’s loupes are the trade standard at 10x and give a sharper optical image, but they take practice to hold steady, need a good light and cannot take photos. USB microscopes magnify more but usually need a stand and a computer or phone connection. LoupeLens suits buyers, sellers and collectors away from a jeweler’s bench: zoom, an adjustable light and photo capture on your iPhone.
Frequently asked questions
Is LoupeLens accurate enough for gemstone grading?
No. Clarity grading is done by trained graders with a 10x loupe and a microscope under controlled lighting. LoupeLens is useful for a first look, reading hallmarks and documenting a piece, not for assigning a grade.
How do I photograph gemstones with LoupeLens?
Hold the phone about 5 to 10 cm from the stone, zoom to 6x to 8x and dim the flashlight until the glare on the facets settles. For transparent stones, light from the side shows more than light from straight on.
Can LoupeLens detect fake jewelry?
It can help you spot warning signs: a missing or blurry hallmark, worn plating with a different metal showing underneath, round gas bubbles in a stone (common in glass imitations), or rough, poorly finished settings. Have a jeweler or appraiser confirm anything that matters.