Perfectly round pearls are the most valuable, but "baroque" (irregular) shapes are popular for unique, modern designs.
Online listings should explicitly detail these factors, as established by the GIA (Gemological Institute of America) : how to buy pearls online
Boutique pearl stores like The Pearl Source or Pearls of Joy often provide better value and specific expertise compared to general jewelry retailers. Perfectly round pearls are the most valuable, but
This is the most important factor. High-quality pearls have a sharp, mirror-like reflection rather than a dull or chalky appearance. how to buy pearls online
Pearls are measured in millimeters. Standard strands are usually 7.0–7.5mm; larger pearls (over 10mm) increase significantly in price. 3. Match the Pearl Type to Your Budget