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Heart|Natural|GIA

1.37ct F SI2 Heart Natural Diamond

EX • F/SI2 • GIA 2231522138

Certificate GIA 2231522138

Diamond specifications and retailer prices

From €3,367 EUR
As of November 5, 2026
Save €4,142 EUR (55%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €7,508 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.37ct natural heart diamond

This 1.37ct natural heart sits in the one-and-a-quarter to one-and-a-half carat band, graded F 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 2231522138. Listed at 16 retailers as of November 5, 2026, with prices from €3,367 to €7,508, a €4,142 spread on the same certified stone. NZ Jewellers lists it at €7,508. 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

1.37
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2231522138
Dimensions7.84 × 8.31 × 3.88 mm
L/W Ratio1.06
Culet sizeVery Small
Top View
7.84 mm8.31 mm1.37 ctF / SI2
OriginNatural
CutExcellent
PolishGood
SymmetryGood
FluorescenceNone
CertificateGIA 2231522138
Side View
Table 59.0%CrownGirdle: ETN-STKPavilionCulet: Very SmallDepth 46.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: €7,508 EUR|Low: €3,435 EUR|High: €7,508 EUR|Avg: €4,750 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 7, 2026
Retailer 8€3,435 EUR
Retailer 9€3,904 EUR
Retailer 11€3,904 EUR
Retailer 12€3,904 EUR
Retailer 10€4,118 EUR
Retailer 2€4,243 EUR
Retailer 3€4,505 EUR
Retailer 5€4,536 EUR
Retailer 6€4,586 EUR
Retailer 4€4,760 EUR
Retailer 7€6,845 EUR
NZ Jewellers€7,508 EUR

45 data points across 12 retailers

16 retailers€3,367 EUR to €7,508 EUR

B+
Cheapest Retailer
-
€3,367 EUR
B+
Retailer 2
-
€3,435 EUR
View
B+
Retailer 3
-
€3,566 EUR
View
B+
Retailer 4
-
€3,685 EUR
View
Retailer 5
-
€3,904 EUR
View
Price last confirmed 9 days ago
B
Retailer 6
-
€3,904 EUR
View
B
Retailer 7
-
€3,904 EUR
View
B
Retailer 8
-
€4,118 EUR
View
B
Retailer 9
-
€4,243 EUR
View
B
Retailer 10
-
€4,252 EUR
View
B
Retailer 11
-
€4,505 EUR
View
B
Retailer 12
-
€4,536 EUR
View
B
Retailer 13
-
€4,586 EUR
View
Retailer 14
-
€4,760 EUR
View
Price last confirmed 15 days ago
B
Retailer 15
-
€6,845 EUR
View
Most Expensive
C
NZ Jewellers
feddf327-85f1-440f-a58e-59fe02c2a52a · Nov 5
€7,508 EUR
$8,383 USD
View
15 more retailers have this diamond
Prices start from €3,367 EURSave up to €4,142 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.

B+
1.37ct Heart
€3,367 EUR