Heart|Natural|GIA

1.51ct E SI1 Heart Natural Diamond

EX • E/SI1 • GIA 5546654705

Certificate GIA 5546654705

Diamond specifications and retailer prices

From €4,612 EUR
$5,152 USD
As of October 31, 2026
Save €4,007 EUR (46%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €8,619 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5546654705. Listed at 9 retailers as of October 30, 2026, with prices from €4,612 to €8,619, a €4,007 spread on the same certified stone. NZ Jewellers lists it at €8,619. 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
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.76°
Pavilion angle43.09°
OriginNatural
Grading LabGIA
CertificateGIA 5546654705
Dimensions6.57 × 7.83 × 4.99 mm
L/W Ratio1.19
Top View
6.57 mm7.83 mm1.51 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5546654705
Side View
Table 63.0%Crown 38.76°Girdle: THK-VTKPavilion 43.09°Culet: NoneDepth 63.7%

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: Oct 31
Current: €8,619 EUR|Low: €4,612 EUR|High: €8,820 EUR|Avg: €5,896 EUR|-2.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 11€4,612 EUR
Retailer 2€4,822 EUR
Retailer 7€4,959 EUR
Retailer 9€5,153 EUR
Retailer 10€5,153 EUR
Retailer 8€5,181 EUR
Retailer 12€5,251 EUR
Retailer 13€5,433 EUR
Retailer 3€5,672 EUR
Retailer 5€6,193 EUR
Retailer 4€6,705 EUR
Retailer 6€7,633 EUR
NZ Jewellers€8,619 EUR

36 data points across 13 retailers

9 retailers€4,612 EUR to €8,619 EUR

A
Cheapest Retailer
-
€4,612 EUR
$5,152 USD
A
Retailer 2
-
€4,822 EUR
£4,242 GBP
View
A
Retailer 3
-
€4,959 EUR
$5,540 USD
View
A
Retailer 4
-
€5,153 EUR
$5,757 USD
View
A
Retailer 5
-
€5,153 EUR
$5,757 USD
View
Retailer 6
-
€5,181 EUR
A$8,905 AUD
View
Price last confirmed 14 days ago
A
Retailer 7
-
€5,251 EUR
$5,867 USD
View
B+
Retailer 8
-
€7,633 EUR
£6,715 GBP
View
Most Expensive
B
NZ Jewellers
2000c503-6131-405e-84a0-61da46a0ca3b · Oct 30
€8,619 EUR
$9,629 USD
View
8 more retailers have this diamond
Prices start from €4,612 EURSave up to €4,007 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
€4,612 EUR