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Price List

 

Unique packages that serve all your industry needs.

Diamond Quality Analysis Report​

0.49 ct. and below............$70/stone
0.50 ct. - 0.69 ct.................$75/stone
0.70 ct. - 0.99 ct.................$85/stone

1.00 ct. - 2.99 ct..................$100/carat

3.00 ct. - 4.99 ct...................$90/carat

5.00 ct. and above.......call for quote

Gemstone Quality Analysis Report*

A Stones (Ruby, Sapphire, Emerald, Tanzanite, Chrysoberyl, Jade):
 

Stones up to 1.49 cts...........$85/stone
1.50-2.49 cts...............................$125/stone
2.50-3.49 cts..............................$185/stone
3.50-4.99 cts.............................$225/stone
5.00-9.99 cts............................$345/stone
10.00 cts. and above.........$425/stone

B Stones (Tourmaline, Opal, Beryl, Topaz, Garnet, Spinel):


Stones up to 1.49 cts..........$70/stone
1.50-2.99 cts..............................$85/stone
3.00-4.99 cts.............................$105/stone
5.00-9.99 cts.............................$135/stone
10.00-14.99 cts........................$175/stone
15.00-25.00 cts........................$210/stone
25.01 cts. and above............$275/stone

​


C Stones (most other stones not listed as A or B Stones)
 

$70 per stone (not charged based on carat weight)

* All reports include an assessment of the quality of that particular gem and whether the gemstone has been treated or not. Report prices include an appraisal, if you wish to have one listed on the report. If country of origin is determinable (e.g. Colombian Emerald, Kashmir Sapphire or Burmese Ruby), we charge an additional 50% extra. You must request that service prior to the time we begin the examination.

Carte BluTM 
A Report for Finished Jewelry

and Gemstones​

1.00 ct. and below, solitaire....$80
1.00 ct. solitaire................................$195 

1.50 cts. solitaire..............................$125

2.00 cts. solitaire.............................$150

3.00 cts. solitaire.............................$225

4.00 cts. and above.....call for quote



For rings with accent stones and numerous melee, add an additional $5 to $85 charge to the service dependent on the amount of labor required during the examination.



An appraisal value is included in the price of this report. Request an appraisal at the time of our evaluation to have this placed on the Carte Blu. Additional copies of this report can be purchased for $40 each.



For more intricate pieces call or email for a quote.


​Additional Services

Natural Gem Verbal

Identification................................$45

Synthetic Gem Verbal

Identification................................$35

Damage Assessment

Report.....................Starting at $175/item

(Additional consultation fee required)

​Sarine Report....................$25/stone


Jewelry Engraving.........$15/item



Type IIa Evaluation.......$25/carat


Master Color Comparison Grading..................................$70/stone



Country of Origin Report.....50% Surcharge to price of original Carte Blu report

Professional Gem Sciences

Laboratory, Ltd.

​5 S. Wabash Avenue, Suite 315​

Chicago, IL 60603

   

© Copyright 2026  PGSL, Ltd.

Monday - Thursday

9:30am - 5:00 pm CST

Friday - Saturday:

By appointment only

T: (312) 920-1541



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