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Heart|Natural|GIA

0.51ct D SI1 Heart Natural Diamond

EX • D/SI1 • GIA 7531577715

Certificate GIA 7531577715

Diamond specifications and retailer prices

From $709 SGD
As of November 6, 2026
Save $1,065 SGD (60%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,774 SGD at MOH London · As of November 2, 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 D 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 7531577715. Listed at 18 retailers as of November 2, 2026, with prices from $709 to $1,774, a $1,065 spread on the same certified stone. MOH London lists it at $1,774. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7531577715
Dimensions4.90 × 5.47 × 3.14 mm
L/W Ratio1.12
Key to symbols
Feather, Cloud
Top View
4.90 mm5.47 mm0.51 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7531577715
Side View
Table 60.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 57.4%

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 6
Current: $1,774 SGD|Low: $566 SGD|High: $1,795 SGD|Avg: $977 SGD|-1.2%
MOH London
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
November 7, 2026
Retailer 15$569 SGD
Retailer 4$709 SGD
Retailer 3$727 SGD
Retailer 6$828 SGD
Retailer 13$828 SGD
Retailer 8$868 SGD
Retailer 11$934 SGD
Retailer 10$943 SGD
Retailer 14$962 SGD
Retailer 7$1,012 SGD
Retailer 9$1,052 SGD
Retailer 2$1,077 SGD
Retailer 5$1,155 SGD
Retailer 12$1,185 SGD
MOH London$1,774 SGD

35 data points across 15 retailers

18 retailers$709 SGD to $1,774 SGD

Retailer 1
-
$569 SGD
Price last confirmed 15 days ago
Retailer 2
-
$631 SGD
View
Price last confirmed 15 days ago
A
Retailer 3
-
$709 SGD
View
Final sale: no returns
A
Retailer 4
-
$727 SGD
View
Retailer 5
-
$769 SGD
View
Price last confirmed 45 days ago
B+
Retailer 6
-
$828 SGD
View
B+
Retailer 7
-
$868 SGD
View
Retailer 8
-
$887 SGD
View
Price last confirmed 46 days ago
B+
Retailer 9
-
$934 SGD
View
B+
Retailer 10
-
$937 SGD
View
B+
Retailer 11
-
$943 SGD
View
B+
Retailer 12
-
$962 SGD
View
B+
Retailer 13
-
$1,012 SGD
View
B+
Retailer 14
-
$1,052 SGD
View
B+
Retailer 15
-
$1,077 SGD
View
Retailer 16
-
$1,155 SGD
View
Price last confirmed 34 days ago
B+
Retailer 17
-
$1,185 SGD
View
Most Expensive
B
MOH London
68B94455F · Nov 2
$1,774 SGD
£1,090 GBP
View
17 more retailers have this diamond
Prices start from $709 SGDSave up to $1,065 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
0.51ct Heart
$709 SGD