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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 $7,392 NZD
As of November 6, 2026
Save $1,817 NZD (20%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $9,209 NZD 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 $7,392 to $9,209, a $1,817 spread on the same certified stone. Blue Nile lists it at $9,209. 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

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: $9,209 NZD|Low: $7,142 NZD|High: $10,221 NZD|Avg: $8,448 NZD|-9.9%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 2$7,392 NZD
Retailer 5$7,739 NZD
Retailer 4$8,004 NZD
Retailer 7$8,150 NZD
Retailer 3$8,177 NZD
Retailer 6$8,383 NZD
Blue Nile$9,209 NZD

44 data points across 7 retailers

7 retailers$7,392 NZD to $9,209 NZD

A
Cheapest Retailer
-
$7,392 NZD
A
Retailer 2
-
$7,739 NZD
View
A
Retailer 3
-
$8,004 NZD
View
Final sale: no returns
A
Retailer 4
-
$8,150 NZD
View
A
Retailer 5
-
$8,177 NZD
View
A
Retailer 6
-
$8,383 NZD
View
Most Expensive
A
Blue Nile
29008789 · Nov 5
$9,209 NZD
$5,105 USD
View
6 more retailers have this diamond
Prices start from $7,392 NZDSave up to $1,817 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.

A
1.50ct Heart
$7,392 NZD