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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 $17,757 SGD
£10,937 GBP
As of October 30, 2026
Save $10,546 SGD (37%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $28,304 SGD 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 $17,757 to $28,304, a $10,546 spread on the same certified stone. MOH London lists it at $28,304. 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
Colour
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 30
Current: $28,304 SGD|Low: $17,650 SGD|High: $29,393 SGD|Avg: $22,285 SGD|-2.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 3$17,757 SGD
Retailer 4$19,355 SGD
Retailer 6$19,373 SGD
Retailer 2$19,943 SGD
Retailer 9$21,163 SGD
Retailer 7$21,225 SGD
Retailer 8$21,556 SGD
Retailer 5$25,537 SGD
MOH London$28,304 SGD

44 data points across 9 retailers

9 retailers$17,757 SGD to $28,304 SGD

A
Cheapest Retailer
-
$17,757 SGD
£10,937 GBP
A
Retailer 2
-
$19,355 SGD
$15,140 USD
View
A
Retailer 3
-
$19,373 SGD
A$23,314 AUD
View
A
Retailer 4
-
$19,943 SGD
£12,283 GBP
View
A
Retailer 5
-
$21,163 SGD
$16,554 USD
View
A
Retailer 6
-
$21,225 SGD
$16,603 USD
View
A
Retailer 7
-
$21,556 SGD
$16,862 USD
View
A
Retailer 8
-
$25,537 SGD
$19,976 USD
View
Most Expensive
A
MOH London
8C505F817 · Oct 29
$28,304 SGD
£17,433 GBP
View
8 more retailers have this diamond
Prices start from $17,757 SGDSave up to $10,546 SGD

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
$17,757 SGD