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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 €3,670 EUR
As of November 6, 2026
Save €902 EUR (20%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €4,572 EUR 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 €3,670 to €4,572, a €902 spread on the same certified stone. Blue Nile lists it at €4,572. 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: €4,572 EUR|Low: €3,546 EUR|High: €5,075 EUR|Avg: €4,195 EUR|-9.9%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 2€3,670 EUR
Retailer 5€3,842 EUR
Retailer 4€3,974 EUR
Retailer 7€4,047 EUR
Retailer 3€4,060 EUR
Retailer 6€4,162 EUR
Blue Nile€4,572 EUR

44 data points across 7 retailers

7 retailers€3,670 EUR to €4,572 EUR

A
Cheapest Retailer
-
€3,670 EUR
A
Retailer 2
-
€3,842 EUR
View
A
Retailer 3
-
€3,974 EUR
View
Final sale: no returns
A
Retailer 4
-
€4,047 EUR
View
A
Retailer 5
-
€4,060 EUR
View
A
Retailer 6
-
€4,162 EUR
View
Most Expensive
A
Blue Nile
29008789 · Nov 5
€4,572 EUR
$5,105 USD
View
6 more retailers have this diamond
Prices start from €3,670 EURSave up to €902 EUR

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
€3,670 EUR