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Heart|Natural|GIA

1.51ct D SI2 Heart Natural Diamond

EX • D/SI2 • GIA 1523914114

Certificate GIA 1523914114

Diamond specifications and retailer prices

From €3,725 EUR
$4,162 USD
As of October 31, 2026
Save €3,426 EUR (48%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €7,152 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 D 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 1523914114. Listed at 7 retailers as of October 30, 2026, with prices from €3,725 to €7,152, a €3,426 spread on the same certified stone. NZ Jewellers lists it at €7,152. 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
D
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.8°
Pavilion angle41.46°
OriginNatural
Grading LabGIA
CertificateGIA 1523914114
Dimensions6.60 × 7.84 × 4.93 mm
L/W Ratio1.19
Top View
6.60 mm7.84 mm1.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1523914114
Side View
Table 59.0%Crown 38.8°Girdle: THK-VTKPavilion 41.46°Culet: NoneDepth 62.9%

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 31
Current: €7,152 EUR|Low: €3,711 EUR|High: €7,239 EUR|Avg: €4,866 EUR|-1.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 7€3,725 EUR
Retailer 2€3,868 EUR
Retailer 4€4,105 EUR
Retailer 5€4,105 EUR
Retailer 6€4,227 EUR
Retailer 8€4,369 EUR
Retailer 9€4,953 EUR
Retailer 3€6,539 EUR
NZ Jewellers€7,152 EUR

32 data points across 9 retailers

7 retailers€3,725 EUR to €7,152 EUR

A
Cheapest Retailer
-
€3,725 EUR
$4,162 USD
A
Retailer 2
-
€3,868 EUR
£3,403 GBP
View
A
Retailer 3
-
€4,105 EUR
$4,586 USD
View
A
Retailer 4
-
€4,105 EUR
$4,586 USD
View
A
Retailer 5
-
€4,227 EUR
$4,722 USD
View
B+
Retailer 6
-
€6,539 EUR
£5,752 GBP
View
Most Expensive
B
NZ Jewellers
1b4e9668-4573-4f2e-aab0-e7affd92e4c1 · Oct 30
€7,152 EUR
$7,990 USD
View
6 more retailers have this diamond
Prices start from €3,725 EURSave up to €3,426 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
€3,725 EUR