Guide to the Price Lists

Rapaport Diamond Specifications - August 20, 2020

Rapaport is introducing new diamond specifications for a broad range of diamond qualities.

The Rapaport Price List, Rapaport price indices and RapNet TradeScreen are based on
Rapaport Diamond Specification A3+ (A1, A2, A3).

The diamond specifications are subject to change.
Members of the diamond trade are encouraged to comment on the new specifications via email to rapspec@diamonds.net.

RAPAPORT DIAMOND SPECIFICATIONS  -  August 20, 2020
A1 A2 A3
Grading Report GIA GIA GIA
Shape Round Brilliant Round Brilliant Round Brilliant
Cut Excellent Excellent Excellent
Polish Excellent Excellent Excellent
Symmetry Excellent Excellent Excellent
Culet None None None
Depth % 59.0 - 62.9% 59.0 - 62.9% 58.5 - 63.5%
Table % 56 - 60% 55 - 60% 55 - 62%
Girdle No Extremely Thin,
Extremely Thick
or Very Thick 		No Extremely Thin,
Extremely Thick
or Very Thick 		No Extremely Thin,
Extremely Thick
or Very Thick
Fluorescence None None None
Weight No .00 sizes for
1.00 and larger 		No .00 sizes for
1.00 and larger 		No .00 sizes for
1.00 and larger
GIA Comments No GIA Color Comment No GIA Color Comment No GIA Color Comment
GIA Comments No Knot or Cavity No Knot or Cavity No Knot or Cavity
GIA Comments No Extra Facet or Natural
for D-H, IF-VVS2
GIA Comments No Graining Comment No Graining Comment
GIA Comments For SI1 or lower
No "clarity based on cloud" 		For SI1 or lower
No "clarity based on cloud" 		For SI1 or lower
No "clarity based on cloud"
Seller Requirement No Tint, No Milky
"grademaker center black"
or open inclusions 		No Tint, No Milky No Green Tint
Seller Requirement EyeClean: SI2+ to 3.99ct,
SI1+ to 4.99, VS2+ all sizes
Seller Requirement No Marange Diamonds No Marange Diamonds No Marange Diamonds
Minimum MM
for each size 		See separate table. See separate table.
       
A4 A5 Minimum Millimeters
for RapSpecs A1 & A2
Grading Report GIA GIA Size ct.      Min mm
Shape Round Brilliant Round Brilliant 0.30 - 0.34      4.27
Cut Excellent Excellent 0.35 - 0.39      4.49
Polish Excellent Excellent 0.40 - 0.49      4.70
Symmetry Excellent Excellent 0.50 - 0.59      5.05
Culet None None or Very Small 0.60 - 0.69      5.35
Depth % 58.5 - 63.5% 58.5 - 63.5% 0.70 - 0.79      5.65
Table % 55 - 62% 55 - 62% 0.80 - 0.89      5.90
Girdle No Extremely Thin,
Extremely Thick
or Very Thick 		No Extremely Thin,
Extremely Thick
or Very Thick 		0.90 - 0.99      6.15
1.01 - 1.09      6.40
1.10 - 1.24      6.55
Fluorescence Faint Allowed 1.25 - 1.49      6.85
Weight No .00 sizes for
1.00 and larger 		No .00 sizes for
1.00 and larger 		1.50 - 1.69      7.30
1.70 - 1.99      7.60
GIA Comments No GIA Color Comment No GIA Color Comment 2.01 - 2.49      8.05
GIA Comments 2.50 - 2.99      8.60
GIA Comments For SI1 or lower
No "clarity based on cloud" 		For SI1 or lower
No "clarity based on cloud" 		3.01 - 3.49      9.15
3.50 - 3.99      9.62
Seller Requirement No Green Tint No Green Tint 4.01 - 4.99      10.05
Seller Requirement No Marange Diamonds No Marange Diamonds 5.01 - 5.99      11.00
© Copyright 2016 by Rapaport USA. All rights reserved.
RAPAPORT DIAMOND SPECIFICATIONS  -  August 20, 2020
B1 B2 B3
Grading Report GIA GIA GIA
Shape Round Brilliant Round Brilliant Round Brilliant
Cut Excellent VG+ VG+
Polish VG+ VG+ VG+
Symmetry VG+ VG+ VG+
Culet None None None
Depth % 59.0 - 62.9% 58.5 - 62.9% 57.5 - 63.5%
Table % 55 - 62% 55 - 62% 55 - 63%
Girdle No Extremely Thin,
Extremely Thick
or Very Thick 		No Extremely Thin,
Extremely Thick
or Very Thick 		No Extremely Thin,
Extremely Thick
or Very Thick
Fluorescence Faint Blue Allowed Faint Blue Allowed Faint Blue Allowed
Weight No .00 sizes for
1.00 and larger 		No .00 sizes for
1.00 and larger
GIA Comments No GIA Color Comment No GIA Color Comment No GIA Color Comment
GIA Comments No Knot or Cavity No Knot or Cavity
GIA Comments No Internal Graining Comment
for D-H, IF-VVS
GIA Comments For SI1 or lower
No "clarity based on cloud" 		For SI1 or lower
No "clarity based on cloud" 		For SI1 or lower
No "clarity based on cloud"
Seller Requirement No Green Tint No Green Tint No Green Tint
Seller Requirement No Marange Diamonds No Marange Diamonds No Marange Diamonds
       
B4 B5
Grading Report GIA GIA
Shape Round Brilliant Round Brilliant
Cut VG+ VG+
Polish VG+ VG+
Symmetry VG+ VG+
Culet None None or Very Small
Depth % 57.5 - 63.5% 57.5 - 63.5%
Table % 55 - 63% 55 - 63%
Girdle No Extremely Thin,
Extremely Thick
or Very Thick 		No Extremely Thin,
Extremely Thick
or Very Thick
Fluorescence Medium Blue Allowed
GIA Comments No GIA Color Comment No GIA Color Comment
GIA Comments For SI1 or lower
No "clarity based on cloud" 		For SI1 or lower
No "clarity based on cloud"
Seller Requirement No Green Tint No Green Tint
Seller Requirement No Marange Diamonds No Marange Diamonds
© Copyright 2016 by Rapaport USA. All rights reserved.
RAPAPORT DIAMOND SPECIFICATIONS  -  August 20, 2020
C1 C2 C3
Grading Report GIA GIA
Shape Round Brilliant Round Brilliant Round Brilliant
Cut VG+ VG+ VG+
Polish G+ G+ G+
Symmetry G+ G+ G+
Culet None None, Very Small, Small None, Very Small, Small
Depth % 59.0 - 62.9% 57.5 - 62.9%
Table % 55 - 62% 54 - 63%
Fluorescence Faint OK Medium Blue Allowed Strong Blue Allowed
GIA Comments No GIA Color Comment No GIA Color Comment
GIA Comments No Knot or Cavity
GIA Comments No Internal Graining Comment
for D-H, IF-VVS
GIA Comments For SI1 or lower
No "clarity based on cloud"		 For SI1 or lower
No "clarity based on cloud"
Seller Requirement No Green Tint No Green Tint No Green Tint
Seller Requirement No Marange Diamonds No Marange Diamonds No Marange Diamonds
 
C4 C5
Shape Round Brilliant Round Brilliant
Cut VG+ G+
Polish G+ G+
Symmetry G+ G+
Culet None, Very Small, Small None, Very Small, Small
Fluoresence Very Strong Blue Allowed Very Strong Blue Allowed
Seller Requirement No Green Tint No Green Tint
Seller Requirement No Marange Diamonds No Marange Diamonds
© Copyright 2016 by Rapaport USA. All rights reserved.




Below are the historic Rapaport Specifications that are being replaced by the new Rapaport Specifications

Old Specifications as of July 31, 2014

Rapaport RapSpec-1 RapSpec-2
Shape Round Brilliant Round Brilliant
Cut Grade Excellent Excellent or Very Good
Polish/Symmetry Excellent or Very Good Excellent or Very Good
Total Depth % 58.6% - 62.9% 58.0% - 63.5%
Table % 54% - 63% 52% - 65%
Girdle Thickness Very Thin/Thin Medium or Medium-Thick Very Thin-Thick
Culet Size No large, medium, chip or abraded No large, medium, chip or abraded
Fluorescence None or Faint Blue None or Faint Blue
Comments No treatments No treatments
No crown angle comment No crown angle comment
Size in Carats Minimum Diameter (mm) Minimum Diameter (mm)
1.00 - 1.09 6.40 6.40
1.10 - 1.19 6.60 6.55
1.20 - 1.29 6.80 6.75
1.30 - 1.39 7.00 6.90
1.40 - 1.49 7.20 7.10
   
RapSpec 3 Same as RapSpec-2 except medium blue-fluorescence is allowed
Notes RapSpec-1 girdle should not be Very Thin to Thick as this may indicate wavy girdle
RapSpec-1 standards for center or black inclusions, graining and large naturals
will be stricter than RapSpec 2 and 3
© Copyright 2016 by Rapaport USA Inc. All rights reserved. RAPAPORT® is a registered trademark of Rapaport USA Inc.

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