Boston Gem Lab
By Appointment Only:

304 Newbury Street
Boston, MA 02115

350 Lincoln Street
Hingham, MA 02043

BGL Brochure


f/book linked


Boston Gem Laboratory

Insurance ~ Estate ~ Casual Loss ~ Collateral ~ Comparison ~ Divorce ~ Damage

Appraisal Process/Rate:

  • Statement of metal type and testing
  • Net weights of metal (grams or penny weights)
  • Jewelry measurements
  • Manufacturing process (custom design, hand fabricated)
  • Jewelry finish
  • Condition of item
  • Trademark and hallmark
  • Description of setting (style and motif)
  • Grading of gemstones w/weights and measurements
  • Notation of treatments
  • Type of grading system used
  • Light analysis for diamonds
  • Cut analysis for diamonds and colored stones
  • Plotting for diamonds where applicable
  • Digital photographs
  • Period jewelry design and motif, circa date and provenance

Each completed appraisal is laminated and bound.

Basic Rates for Boston Gem Laboratory (BGL):

  • $100.00 first item
  • $50.00 second item

"Jewelry is replaced by the description and not by the price on the appraisal."

One phone call and you will know why

BGL is the alternative solution!

List of Gemological Instruments

Sample Appraisals: Appraisal #1 ~ Appraisal #2 ~ Appraisal #3