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Round|Natural|GIA

2.51ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 1539231448

Certificate GIA 1539231448

Diamond specifications and retailer prices

From $27,409 CAD
$19,621 USD
As of October 29, 2026
Save $23,205 CAD (46%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $50,614 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1539231448. Listed at 11 retailers as of October 29, 2026, with prices from $27,409 to $50,614, a $23,205 spread on the same certified stone. MOH London lists it at $50,614. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1539231448
Dimensions8.61 × 8.65 × 5.42 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Cert comments
Additional twinning wisps, additional clouds, pinpoints and surface graining are not shown.
Top View
8.61 mm8.65 mm2.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1539231448
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $50,614 CAD|Low: $27,409 CAD|High: $50,951 CAD|Avg: $36,403 CAD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 7$27,409 CAD
Retailer 4$31,415 CAD
Retailer 6$32,412 CAD
Retailer 3$32,505 CAD
Retailer 8$33,193 CAD
Retailer 9$37,539 CAD
Retailer 5$38,399 CAD
Retailer 2$39,114 CAD
MOH London$50,614 CAD

43 data points across 9 retailers

11 retailers$27,409 CAD to $50,614 CAD

A
Cheapest Retailer
-
$27,409 CAD
$19,621 USD
B+
Retailer 2
-
$29,976 CAD
$21,459 USD
View
B+
Retailer 3
-
$31,415 CAD
$22,489 USD
View
B+
Retailer 4
-
$32,412 CAD
$23,203 USD
View
B+
Retailer 5
-
$32,505 CAD
£18,322 GBP
View
B+
Retailer 6
-
$33,193 CAD
$23,762 USD
View
Retailer 7
-
$37,539 CAD
£21,160 GBP
View
Price last confirmed 30 days ago
B+
Retailer 8
-
$38,399 CAD
$27,489 USD
View
B
Retailer 9
-
$39,114 CAD
€26,667 EUR
View
B
Retailer 10
-
$45,667 CAD
$32,692 USD
View
Most Expensive
B
MOH London
82FF63EEA · Oct 29
$50,614 CAD
£28,530 GBP
View
10 more retailers have this diamond
Prices start from $27,409 CADSave up to $23,205 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.

A
2.51ct Round
$27,409 CAD