Heart|Natural|GIA

2.51ct E SI1 Heart Natural Diamond

ID • E/SI1 • GIA 1548181494

Certificate GIA 1548181494

Diamond specifications and retailer prices

From $24,442 NZD
£10,847 GBP
As of November 1, 2026
Save $14,634 NZD (37%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $39,076 NZD at MOH London · As of November 1, 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 November 1, 2026, with prices from $24,442 to $39,076, a $14,634 spread on the same certified stone. MOH London lists it at $39,076. 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: Nov 1
Current: $39,076 NZD|Low: $24,442 NZD|High: $40,795 NZD|Avg: $30,906 NZD|-3.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 3$24,442 NZD
Retailer 4$26,863 NZD
Retailer 6$26,888 NZD
Retailer 2$27,596 NZD
Retailer 9$29,372 NZD
Retailer 7$29,459 NZD
Retailer 8$29,918 NZD
Retailer 5$35,443 NZD
MOH London$39,076 NZD

44 data points across 9 retailers

9 retailers$24,442 NZD to $39,076 NZD

A
Cheapest Retailer
-
$24,442 NZD
£10,847 GBP
A
Retailer 2
-
$26,863 NZD
$15,140 USD
View
Retailer 3
-
$26,888 NZD
A$23,314 AUD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$27,596 NZD
£12,247 GBP
View
A
Retailer 5
-
$29,372 NZD
$16,554 USD
View
A
Retailer 6
-
$29,459 NZD
$16,603 USD
View
A
Retailer 7
-
$29,918 NZD
$16,862 USD
View
A
Retailer 8
-
$35,443 NZD
$19,976 USD
View
Most Expensive
A
MOH London
8C505F817 · Nov 1
$39,076 NZD
£17,341 GBP
View
8 more retailers have this diamond
Prices start from $24,442 NZDSave up to $14,634 NZD

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
$24,442 NZD