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Heart|Natural|GIA

2.51ct E SI1 Heart Natural Diamond

ID • E/SI1 • GIA 1548181494

Certificate GIA 1548181494

Diamond specifications and retailer prices

From $13,848 USD
£10,904 GBP
As of October 29, 2026
Save $8,292 USD (37%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $22,140 USD 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 $13,848 to $22,140, a $8,292 spread on the same certified stone. MOH London lists it at $22,140. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $22,140 USD|Low: $13,807 USD|High: $22,992 USD|Avg: $17,449 USD|-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$13,848 USD
Retailer 4$15,140 USD
Retailer 6$15,154 USD
Retailer 3$15,643 USD
Retailer 9$16,554 USD
Retailer 7$16,603 USD
Retailer 8$16,862 USD
Retailer 5$19,976 USD
MOH London$22,140 USD

43 data points across 9 retailers

9 retailers$13,848 USD to $22,140 USD

A
Cheapest Retailer
-
$13,848 USD
£10,904 GBP
A
Retailer 2
-
$15,140 USD
View
A
Retailer 3
-
$15,154 USD
A$23,314 AUD
View
A
Retailer 4
-
$15,643 USD
£12,317 GBP
View
A
Retailer 5
-
$16,554 USD
View
A
Retailer 6
-
$16,603 USD
View
A
Retailer 7
-
$16,862 USD
View
A
Retailer 8
-
$19,976 USD
View
Most Expensive
A
MOH London
8C505F817 · Oct 29
$22,140 USD
£17,433 GBP
View
8 more retailers have this diamond
Prices start from $13,848 USDSave up to $8,292 USD

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
$13,848 USD