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Freshwater Pearl Grading Chart

Freshwater Pearl Grade
Description
  • Represents the top .03% of yearly pearl harvests
  • Very near true round shape; Less than 5% deviance from spherical shape.
  • Excellent luster; very sharp with high rate of reflection.
  • Reflected light shows mostly crisp, distinctive edges.
  • Blemish rate between 0-5% on each pearl surface.
  • Earrings will set clean.
  • Strands will be clean to the eye upon inspection.
  • Near-perfect matching; little to no variation in color, tone, luster, shape or size.

  • Represents the top 1% of yearly pearl harvests
  • Mostly round to the eye upon close inspection.
  • Excellent luster; sharp with high rate of reflection.
  • Reflected light is fairly crisp, some satining near edges.
  • Blemish rate less than 5% on each pearl surface.
  • Earrings are round shape, and will set clean.
  • Strands will be clean to the eye upon inspection.
  • Near-perfect matching; little to no variation in color, tone, luster, shape or size.
  • Represents the top 5% of yearly pearl harvests
  • Slightly off-round to ovalish in shape.
  • Very high luster; fair rate of reflection.
  • Reflected light is bright with some blurred edges.
  • Blemish rate less than 5-10% on each pearl surface.
  • Earrings are button-shape, and will face up clean.
  • Strands will be mostly clean to the eye upon inspection.
  • Very good matching; little to no variation in color, tone, luster, shape or size.
  • Represents the top 10% of yearly pearl harvests
  • Visibly off-round.
  • Good to fair luster; medium rate of reflection.
  • Reflected light sources display blurred edges.
  • Blemish rate less than 20% on each pearl surface.
  • Earrings are button-shape, may feature an inclusion.
  • Strands will display spotting and blemishing.
  • Good to fair matching; may find variation in color, tone, luster, shape or size.

  • Commercial grade pearls
  • Visibly off-round.
  • Fair to poor luster; low rate of reflection.
  • Reflected light sources are blurry.
  • Blemish rate less than 50% on each pearl surface.
  • Strands will display spotting and blemishing.
  • Fair matching; will find variation in color, tone, luster, shape or size.

PurePearls.com is proud to offer Elite Collection Freshwater pearls. These are gem grade pearls that represent the very finest quality Freshwater pearls available today. These pearls are set aside before drilling for use in earrings, pendants and rings and are imported exclusively for Pure Pearls to create gorgeous pearl necklaces   that are comparable to Akoya in luster, shape and surface quality.

All Freshwater pearls, with the exception of our Coin pearls are 100% solid nacre pearls, making these gems some of the most durable in the industry, guaranteed to last a lifetime.

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