Glossary · Last updated May 3, 2026
Macro Photography
Extreme close-up photography that reveals fine details like gemstone facets, prong settings, and surface textures. Requires specialized macro lenses and is standard practice for high-end jewelry photography.
What makes a photo 'macro'?
True macro photography means the image projected on the camera sensor is the same physical size as the subject — a 1:1 reproduction ratio. For a 35mm sensor and a 10mm-wide ring, the ring fills 10mm of the sensor. Most camera kit lenses don't go this close; macro requires either a dedicated macro lens (50mm/100mm/180mm), close-up filters, or extension tubes. Smartphone cameras now offer software 'macro' modes, but most are crops of a wide-angle frame — useful for casual shots, not catalog detail.
Why jewelry needs macro
A diamond's value is its facet work; an engraved band's identity is in 1mm-deep cuts; a hallmark stamp is a few hundred microns. Showing these properly in a listing photo means resolving them at print resolution — typically 300dpi at 4 inches wide, which is around 1200 pixels of detail across the piece. A wide-angle phone shot of a ring on a desk gives you maybe 200 pixels of usable detail across the piece. Macro gives you 4x more, which is the difference between 'I can see this is a diamond' and 'I can count its facets'.
AI on macro inputs
AI jewelry retouching benefits from macro inputs because the model has more pixels to work with — preserving small motifs (stars, hearts, monograms) is easier when each is 50 pixels wide vs 5. The catch: macro photos often have very shallow depth of field, with parts of the piece going out of focus. AI sometimes treats the out-of-focus regions as 'simplification target' and over-sharpens them, which destroys the natural macro look. Jewelry-aware AI is tuned to preserve the shallow-DoF aesthetic; generic AI tends to flatten it.
See it in action
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