Look for descriptions regarding "blemishing." While small natural imperfections prove a pearl is real, the surface should be mostly smooth and free of major cracks or pits.
Look for consistent feedback on platforms like Google or Trustpilot regarding luster and matching. 2. Know the 5 S's of Pearl Quality how to buy pearls online
Higher-quality pearl necklaces from jewelers like Tiffany & Co. or Mikimoto are hand-knotted between each pearl to prevent them from rubbing together and to keep them secure if the silk breaks. A Quick Guide to Buying Pearls Online | Pure Pearls Blog Look for descriptions regarding "blemishing
This is the most important factor. High-quality pearls have a sharp, mirror-like reflection rather than a dull or chalky appearance. Know the 5 S's of Pearl Quality Higher-quality
Online listings should explicitly detail these factors, as established by the GIA (Gemological Institute of America) :
Beyond the body color (white, black, gold), look for the "overtone"—the subtle hint of pink, green, or silver that appears when light hits the surface.
Since you can't do the "tooth test" (rubbing pearls against your teeth to feel for a gritty texture), look for these visual cues in high-resolution photos: