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Heart|Natural|GIA

1.50ct E SI1 Heart Natural Diamond

EX • E/SI1 • GIA 6552145759

Certificate GIA 6552145759

Diamond specifications and retailer prices

From $5,252 SGD
As of November 6, 2026
Save $1,291 SGD (20%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $6,543 SGD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.5ct natural heart diamond

This 1.5ct natural heart sits in the one-and-a-half to two 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 6552145759. Listed at 7 retailers as of November 5, 2026, with prices from $5,252 to $6,543, a $1,291 spread on the same certified stone. Blue Nile lists it at $6,543. 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

1.50
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 6552145759
Dimensions6.66 × 7.95 × 4.77 mm
L/W Ratio1.19
Top View
6.66 mm7.95 mm1.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6552145759
Side View
Table 56.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 60.0%

Caratlytics Score

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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: $6,543 SGD|Low: $5,074 SGD|High: $7,262 SGD|Avg: $6,002 SGD|-9.9%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 2$5,252 SGD
Retailer 5$5,498 SGD
Retailer 4$5,686 SGD
Retailer 7$5,790 SGD
Retailer 3$5,809 SGD
Retailer 6$5,956 SGD
Blue Nile$6,543 SGD

44 data points across 7 retailers

7 retailers$5,252 SGD to $6,543 SGD

A
Cheapest Retailer
-
$5,252 SGD
A
Retailer 2
-
$5,498 SGD
View
A
Retailer 3
-
$5,686 SGD
View
Final sale: no returns
A
Retailer 4
-
$5,790 SGD
View
A
Retailer 5
-
$5,809 SGD
View
A
Retailer 6
-
$5,956 SGD
View
Most Expensive
A
Blue Nile
29008789 · Nov 5
$6,543 SGD
$5,105 USD
View
6 more retailers have this diamond
Prices start from $5,252 SGDSave up to $1,291 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
1.50ct Heart
$5,252 SGD