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Heart|Natural|GIA

0.51ct E SI1 Heart Natural Diamond

EX • E/SI1 • GIA 2537734776

Certificate GIA 2537734776

Diamond specifications and retailer prices

From $931 AUD
As of November 5, 2026
11 retailers carry this diamond
Most expensive: $2,529 AUD at NZ Jewellers · As of September 25, 2026
View at NZ Jewellers

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 2537734776. Listed at 11 retailers as of November 5, 2026. 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle42.3°
OriginNatural
Grading LabGIA
CertificateGIA 2537734776
Dimensions4.69 × 5.50 × 3.29 mm
L/W Ratio1.17
Top View
4.69 mm5.50 mm0.51 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2537734776
Side View
Table 58.0%CrownGirdle: MED-VTKPavilion 42.3°Culet: NoneDepth 59.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: $931 AUD|Low: $505 AUD|High: $1,885 AUD|Avg: $988 AUD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 5, 2026
Retailer 2$632 AUD
Retailer 3$699 AUD
Retailer 12$726 AUD
Retailer 9$792 AUD
Retailer 11$800 AUD
Retailer 10$814 AUD
Retailer 6$837 AUD
Retailer 13$886 AUD
Retailer 5$899 AUD
Retailer 1$931 AUD
Retailer 16$1,041 AUD
Retailer 4$1,092 AUD
Retailer 8$1,122 AUD
Retailer 15$1,148 AUD
Retailer 7$1,225 AUD
Retailer 14$1,742 AUD

21 data points across 16 retailers

11 retailers

Retailer 1
-
$699 AUD
Price last confirmed 25 days ago
Retailer 2
-
$726 AUD
View
Price last confirmed 23 days ago
Retailer 3
-
$792 AUD
View
Price last confirmed 24 days ago
Retailer 4
-
$814 AUD
View
Price last confirmed 24 days ago
Retailer 5
-
$837 AUD
View
Price last confirmed 36 days ago
Retailer 6
-
$886 AUD
View
Price last confirmed 24 days ago
A
Retailer 7
-
$931 AUD
View
Retailer 8
-
$1,092 AUD
View
Price last confirmed 34 days ago
Retailer 9
-
$1,148 AUD
View
Price last confirmed 30 days ago
Retailer 10
-
$1,742 AUD
View
Price last confirmed 29 days ago
Most Expensive
NZ Jewellers
392e10c7-8424-4bc6-836d-dff2d0449565 · Sep 25
$2,529 AUD
$1,738 USD
View
Price last confirmed 42 days ago
10 more retailers have this diamond
Prices start from $931 AUD

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
0.51ct Heart
$931 AUD