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Heart|Natural|GIA

0.51ct E SI1 Heart Natural Diamond

EX • E/SI1 • GIA 7513293624

Certificate GIA 7513293624

Diamond specifications and retailer prices

From $1,743 NZD
As of November 6, 2026
Save $1,016 NZD (37%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,758 NZD at MOH London · As of November 4, 2026
View at MOH London

About this 0.51ct natural heart diamond

This 0.51ct natural heart sits in the half to three-quarter 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 7513293624. Listed at 6 retailers as of November 4, 2026, with prices from $1,743 to $2,758, a $1,016 spread on the same certified stone. MOH London lists it at $2,758. 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

0.51
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7513293624
Dimensions4.69 × 5.50 × 3.45 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
4.69 mm5.50 mm0.51 ctE / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7513293624
Side View
Table 58.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 62.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $2,758 NZD|Low: $1,705 NZD|High: $2,795 NZD|Avg: $2,098 NZD|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 5$1,743 NZD
Retailer 2$1,797 NZD
Retailer 3$1,889 NZD
Retailer 4$2,268 NZD
MOH London$2,758 NZD

44 data points across 5 retailers

6 retailers$1,743 NZD to $2,758 NZD

B+
Cheapest Retailer
-
$1,743 NZD
B+
Retailer 2
-
$1,797 NZD
View
B
Retailer 3
-
$1,889 NZD
View
B
Retailer 4
-
$2,015 NZD
View
Retailer 5
-
$2,268 NZD
View
Price last confirmed 32 days ago
Most Expensive
B
MOH London
ABAC7DD7B · Nov 4
$2,758 NZD
£1,204 GBP
View
5 more retailers have this diamond
Prices start from $1,743 NZDSave up to $1,016 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.

B+
0.51ct Heart
$1,743 NZD