CaratHunter
Plans
Heart|Natural|GIA

2.51ct E SI1 Heart Natural Diamond

ID • E/SI1 • GIA 1548181494

Certificate GIA 1548181494

Diamond specifications and retailer prices

From $19,382 CAD
£10,904 GBP
As of October 29, 2026
Save $11,605 CAD (37%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $30,987 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 2.51ct natural heart diamond

This 2.51ct natural heart sits in the two to three carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1548181494. Listed at 9 retailers as of October 29, 2026, with prices from $19,382 to $30,987, a $11,605 spread on the same certified stone. MOH London lists it at $30,987. 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
E
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.19°
Pavilion angle41.82°
OriginNatural
Grading LabGIA
CertificateGIA 1548181494
Dimensions9.22 × 7.78 × 5.85 mm
L/W Ratio1.19
Girdle conditionVery Thick
Key to symbols
Crystal, Feather
Top View
9.22 mm7.78 mm2.51 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1548181494
Side View
Table 58.0%Crown 40.19°Girdle: MediumPavilion 41.82°Culet: NoneDepth 63.4%

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: $30,987 CAD|Low: $19,324 CAD|High: $32,180 CAD|Avg: $24,422 CAD|-2.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 2$19,382 CAD
Retailer 4$21,190 CAD
Retailer 6$21,210 CAD
Retailer 3$21,894 CAD
Retailer 9$23,169 CAD
Retailer 7$23,238 CAD
Retailer 8$23,600 CAD
Retailer 5$27,958 CAD
MOH London$30,987 CAD

43 data points across 9 retailers

9 retailers$19,382 CAD to $30,987 CAD

A
Cheapest Retailer
-
$19,382 CAD
£10,904 GBP
A
Retailer 2
-
$21,190 CAD
$15,140 USD
View
A
Retailer 3
-
$21,210 CAD
A$23,314 AUD
View
A
Retailer 4
-
$21,894 CAD
£12,317 GBP
View
A
Retailer 5
-
$23,169 CAD
$16,554 USD
View
A
Retailer 6
-
$23,238 CAD
$16,603 USD
View
A
Retailer 7
-
$23,600 CAD
$16,862 USD
View
A
Retailer 8
-
$27,958 CAD
$19,976 USD
View
Most Expensive
A
MOH London
8C505F817 · Oct 29
$30,987 CAD
£17,433 GBP
View
8 more retailers have this diamond
Prices start from $19,382 CADSave up to $11,605 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 Heart
$19,382 CAD