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Heart|Natural|GIA

1.51ct E SI2 Heart Natural Diamond

ID • E/SI2 • GIA 250000277812

Certificate GIA 250000277812

Diamond specifications and retailer prices

From €3,655 EUR
$4,083 USD
As of October 29, 2026
Save €2,713 EUR (43%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €6,368 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 250000277812. Listed at 6 retailers as of October 29, 2026, with prices from €3,655 to €6,368, a €2,713 spread on the same certified stone. NZ Jewellers lists it at €6,368. 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

1.51
Carat
E
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.4°
Pavilion angle38.3°
OriginNatural
Grading LabGIA
CertificateGIA 250000277812
Dimensions7.91 × 7.17 × 4.48 mm
L/W Ratio1.10
Culet sizePointed
Top View
7.91 mm7.17 mm1.51 ctE / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 250000277812
Side View
Table 57.0%Crown 37.4°Girdle: MediumPavilion 38.3°Culet: NoneDepth 56.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: €6,368 EUR|Low: €3,655 EUR|High: €6,368 EUR|Avg: €4,086 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 3€3,655 EUR
Retailer 4€3,655 EUR
Retailer 5€3,655 EUR
Retailer 6€3,813 EUR
Retailer 2€4,217 EUR
NZ Jewellers€6,368 EUR

3 data points across 6 retailers

6 retailers€3,655 EUR to €6,368 EUR

A
Cheapest Retailer
-
€3,655 EUR
$4,083 USD
A
Retailer 2
-
€3,655 EUR
$4,083 USD
View
A
Retailer 3
-
€3,655 EUR
$4,083 USD
View
A
Retailer 4
-
€3,813 EUR
$4,260 USD
View
A
Retailer 5
-
€4,217 EUR
$4,711 USD
View
Most Expensive
B+
NZ Jewellers
4c95aedf-0fd9-4b51-bee7-057d21c88806 · Oct 30
€6,368 EUR
$7,114 USD
View
5 more retailers have this diamond
Prices start from €3,655 EURSave up to €2,713 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
1.51ct Heart
€3,655 EUR