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2.51ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6535368098

Certificate GIA 6535368098

Diamond specifications and retailer prices

From $31,123 CAD
$22,280 USD
As of October 25, 2026
Save $24,856 CAD (44%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $55,979 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6535368098. Listed at 13 retailers as of October 25, 2026, with prices from $31,123 to $55,979, a $24,856 spread on the same certified stone. MOH London lists it at $55,979. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.51
Carat
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6535368098
Dimensions8.63 × 8.59 × 5.44 mm
L/W Ratio1.00
Top View
8.63 mm8.59 mm2.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6535368098
Side View
Table 56.0%Crown 36.5°Girdle: THN-STKPavilion 41°Culet: NoneDepth 63.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 25
Current: $55,979 CAD|Low: $31,123 CAD|High: $56,351 CAD|Avg: $38,957 CAD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 4$31,123 CAD
Retailer 5$34,165 CAD
Retailer 10$35,652 CAD
Retailer 2$36,327 CAD
Retailer 7$37,138 CAD
Retailer 6$37,434 CAD
Retailer 8$38,623 CAD
Retailer 9$40,108 CAD
Retailer 3$42,319 CAD
MOH London$55,979 CAD

39 data points across 10 retailers

13 retailers$31,123 CAD to $55,979 CAD

B+
Cheapest Retailer
-
$31,123 CAD
$22,280 USD
B+
Retailer 2
-
$32,782 CAD
$23,468 USD
View
B+
Retailer 3
-
$34,165 CAD
$24,458 USD
View
Final sale: no returns
B+
Retailer 4
-
$36,327 CAD
£20,477 GBP
View
B+
Retailer 5
-
$37,138 CAD
$26,586 USD
View
B
Retailer 6
-
$37,434 CAD
$26,798 USD
View
B
Retailer 7
-
$38,205 CAD
$27,350 USD
View
B
Retailer 8
-
$38,205 CAD
$27,350 USD
View
B
Retailer 9
-
$38,623 CAD
$27,649 USD
View
B
Retailer 10
-
$39,476 CAD
$28,260 USD
View
B
Retailer 11
-
$40,108 CAD
$28,712 USD
View
B
Retailer 12
-
$42,319 CAD
€28,852 EUR
View
Most Expensive
B
MOH London
2C311C6B1 · Oct 29
$55,979 CAD
£31,554 GBP
View
12 more retailers have this diamond
Prices start from $31,123 CADSave up to $24,856 CAD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
2.51ct Round
$31,123 CAD