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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 $6,781 NZD
As of November 5, 2026
Save $8,341 NZD (55%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $15,122 NZD 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 $6,781 to $15,122, a $8,341 spread on the same certified stone. NZ Jewellers lists it at $15,122. 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: $15,122 NZD|Low: $6,918 NZD|High: $15,122 NZD|Avg: $9,567 NZD
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$6,918 NZD
Retailer 9$7,863 NZD
Retailer 11$7,863 NZD
Retailer 12$7,863 NZD
Retailer 10$8,294 NZD
Retailer 2$8,545 NZD
Retailer 3$9,074 NZD
Retailer 5$9,135 NZD
Retailer 6$9,236 NZD
Retailer 4$9,586 NZD
Retailer 7$13,785 NZD
NZ Jewellers$15,122 NZD

45 data points across 12 retailers

16 retailers$6,781 NZD to $15,122 NZD

B+
Cheapest Retailer
-
$6,781 NZD
B+
Retailer 2
-
$6,918 NZD
View
B+
Retailer 3
-
$7,181 NZD
View
B+
Retailer 4
-
$7,421 NZD
View
Retailer 5
-
$7,863 NZD
View
Price last confirmed 9 days ago
B
Retailer 6
-
$7,863 NZD
View
B
Retailer 7
-
$7,863 NZD
View
B
Retailer 8
-
$8,294 NZD
View
B
Retailer 9
-
$8,545 NZD
View
B
Retailer 10
-
$8,563 NZD
View
B
Retailer 11
-
$9,074 NZD
View
B
Retailer 12
-
$9,135 NZD
View
B
Retailer 13
-
$9,236 NZD
View
Retailer 14
-
$9,586 NZD
View
Price last confirmed 15 days ago
B
Retailer 15
-
$13,785 NZD
View
Most Expensive
C
NZ Jewellers
feddf327-85f1-440f-a58e-59fe02c2a52a · Nov 5
$15,122 NZD
$8,383 USD
View
15 more retailers have this diamond
Prices start from $6,781 NZDSave up to $8,341 NZD

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
$6,781 NZD