: For a strand, pearls should be consistent in size, luster, and color throughout. A beginner's guide to buying pearl jewellery | Vogue India

: The classic "white pearl" from Japan, known for near-perfect roundness and intense, mirror-like luster. They typically range from 6mm to 9mm.

: Measured in millimeters (mm). A 1mm increase may seem small, but it can double the pearl's volume and significantly increase the price.

: Primarily from China, these are the most accessible and budget-friendly. They offer the widest variety of natural pastel colors (pink, peach, lavender) and shapes.