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Heart|Natural|GIA

1.51ct L SI2 Heart Natural Diamond

EX • L/SI2 • GIA 6421737922

Certificate GIA 6421737922

Diamond specifications and retailer prices

From €1,532 EUR
As of November 4, 2026
Save €2,569 EUR (63%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €4,101 EUR at NZ Jewellers · As of November 5, 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 L colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6421737922. Listed at 10 retailers as of November 4, 2026, with prices from €1,532 to €4,101, a €2,569 spread on the same certified stone. NZ Jewellers lists it at €4,101. 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
L
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6421737922
Dimensions7.17 × 8.04 × 4.41 mm
L/W Ratio1.12
Top View
7.17 mm8.04 mm1.51 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6421737922
Side View
Table 56.0%CrownGirdlePavilionCulet: NoneDepth 54.8%

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: Nov 4
Current: €4,101 EUR|Low: €1,532 EUR|High: €4,400 EUR|Avg: €2,056 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 7€1,532 EUR
Retailer 5€1,682 EUR
Retailer 6€1,682 EUR
Retailer 2€1,697 EUR
Retailer 10€1,759 EUR
Retailer 9€1,805 EUR
Retailer 3€1,825 EUR
Retailer 8€1,940 EUR
Retailer 4€2,280 EUR
NZ Jewellers€4,101 EUR

44 data points across 10 retailers

10 retailers€1,532 EUR to €4,101 EUR

A
Cheapest Retailer
-
€1,532 EUR
A
Retailer 2
-
€1,682 EUR
View
Retailer 3
-
€1,682 EUR
View
Price last confirmed 8 days ago
A
Retailer 4
-
€1,697 EUR
View
B+
Retailer 5
-
€1,759 EUR
View
A
Retailer 6
-
€1,805 EUR
View
A
Retailer 7
-
€1,825 EUR
View
A
Retailer 8
-
€1,940 EUR
View
B+
Retailer 9
-
€2,280 EUR
View
Most Expensive
B
NZ Jewellers
99d9a3c3-9351-4950-8825-9db039e73134 · Nov 5
€4,101 EUR
$4,579 USD
View
9 more retailers have this diamond
Prices start from €1,532 EURSave up to €2,569 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
€1,532 EUR