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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 $4,807 SGD
$3,759 USD
As of November 1, 2026
Save $5,914 SGD (55%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $10,721 SGD 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 $4,807 to $10,721, a $5,914 spread on the same certified stone. NZ Jewellers lists it at $10,721. 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 1
Current: $10,721 SGD|Low: $4,905 SGD|High: $10,721 SGD|Avg: $6,808 SGD
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$4,905 SGD
Retailer 7$5,575 SGD
Retailer 9$5,575 SGD
Retailer 10$5,575 SGD
Retailer 8$5,880 SGD
Retailer 2$6,119 SGD
Retailer 11$6,433 SGD
Retailer 4$6,565 SGD
Retailer 3$6,796 SGD
Retailer 5$9,800 SGD
NZ Jewellers$10,721 SGD

44 data points across 11 retailers

15 retailers$4,807 SGD to $10,721 SGD

B+
Cheapest Retailer
-
$4,807 SGD
$3,759 USD
B+
Retailer 2
-
$4,905 SGD
$3,835 USD
View
B+
Retailer 3
-
$5,091 SGD
A$6,125 AUD
View
B+
Retailer 4
-
$5,262 SGD
CA$5,715 CAD
View
B
Retailer 5
-
$5,575 SGD
$4,359 USD
View
B
Retailer 6
-
$5,575 SGD
$4,359 USD
View
B
Retailer 7
-
$5,575 SGD
$4,359 USD
View
B
Retailer 8
-
$5,880 SGD
$4,598 USD
View
B
Retailer 9
-
$6,071 SGD
$4,747 USD
View
B
Retailer 10
-
$6,119 SGD
£3,767 GBP
View
B
Retailer 11
-
$6,433 SGD
$5,030 USD
View
B
Retailer 12
-
$6,565 SGD
€4,889 EUR
View
Retailer 13
-
$6,796 SGD
$5,314 USD
View
Price last confirmed 10 days ago
B
Retailer 14
-
$9,800 SGD
£6,034 GBP
View
Most Expensive
C
NZ Jewellers
feddf327-85f1-440f-a58e-59fe02c2a52a · Oct 30
$10,721 SGD
$8,383 USD
View
14 more retailers have this diamond
Prices start from $4,807 SGDSave up to $5,914 SGD

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
$4,807 SGD