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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 €3,351 EUR
$3,759 USD
As of November 1, 2026
Save €4,123 EUR (55%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €7,474 EUR at NZ Jewellers · As of October 30, 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 15 retailers as of October 30, 2026, with prices from €3,351 to €7,474, a €4,123 spread on the same certified stone. NZ Jewellers lists it at €7,474. 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
Color
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 1
Current: €7,474 EUR|Low: €3,419 EUR|High: €7,474 EUR|Avg: €4,746 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 3, 2026
Retailer 6€3,419 EUR
Retailer 7€3,886 EUR
Retailer 9€3,886 EUR
Retailer 10€3,886 EUR
Retailer 8€4,099 EUR
Retailer 2€4,266 EUR
Retailer 11€4,485 EUR
Retailer 4€4,577 EUR
Retailer 3€4,738 EUR
Retailer 5€6,832 EUR
NZ Jewellers€7,474 EUR

44 data points across 11 retailers

15 retailers€3,351 EUR to €7,474 EUR

B+
Cheapest Retailer
-
€3,351 EUR
$3,759 USD
B+
Retailer 2
-
€3,419 EUR
$3,835 USD
View
B+
Retailer 3
-
€3,549 EUR
A$6,125 AUD
View
B+
Retailer 4
-
€3,669 EUR
CA$5,715 CAD
View
B
Retailer 5
-
€3,886 EUR
$4,359 USD
View
B
Retailer 6
-
€3,886 EUR
$4,359 USD
View
B
Retailer 7
-
€3,886 EUR
$4,359 USD
View
B
Retailer 8
-
€4,099 EUR
$4,598 USD
View
B
Retailer 9
-
€4,232 EUR
$4,747 USD
View
B
Retailer 10
-
€4,266 EUR
£3,767 GBP
View
B
Retailer 11
-
€4,485 EUR
$5,030 USD
View
B
Retailer 12
-
€4,577 EUR
View
Retailer 13
-
€4,738 EUR
$5,314 USD
View
Price last confirmed 11 days ago
B
Retailer 14
-
€6,832 EUR
£6,034 GBP
View
Most Expensive
C
NZ Jewellers
feddf327-85f1-440f-a58e-59fe02c2a52a · Oct 30
€7,474 EUR
$8,383 USD
View
14 more retailers have this diamond
Prices start from €3,351 EURSave up to €4,123 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
€3,351 EUR