Heart|Natural|GIA

1.50ct E SI1 Heart Natural Diamond

EX • E/SI1 • GIA 6552145759

Certificate GIA 6552145759

Diamond specifications and retailer prices

From $4,098 USD
As of November 6, 2026
Save $1,007 USD (20%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $5,105 USD 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 $4,098 to $5,105, a $1,007 spread on the same certified stone. Blue Nile lists it at $5,105. 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
Color
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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Price History

Last verified: Nov 6
Current: $5,105 USD|Low: $3,959 USD|High: $5,666 USD|Avg: $4,683 USD|-9.9%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 2$4,098 USD
Retailer 5$4,290 USD
Retailer 4$4,437 USD
Retailer 7$4,518 USD
Retailer 3$4,533 USD
Retailer 6$4,647 USD
Blue Nile$5,105 USD

44 data points across 7 retailers

7 retailers$4,098 USD to $5,105 USD

A
Cheapest Retailer
-
$4,098 USD
A
Retailer 2
-
$4,290 USD
View
A
Retailer 3
-
$4,437 USD
View
Final sale: no returns
A
Retailer 4
-
$4,518 USD
View
A
Retailer 5
-
$4,533 USD
View
A
Retailer 6
-
$4,647 USD
View
Most Expensive
A
Blue Nile
29008789 · Nov 5
$5,105 USD
View
6 more retailers have this diamond
Prices start from $4,098 USDSave up to $1,007 USD

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
$4,098 USD