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Heart|Natural|GIA

1.03ct F SI2 Heart Natural Diamond

EX • F/SI2 • GIA 6541531057

Certificate GIA 6541531057

Diamond specifications and retailer prices

From $2,174 SGD
£1,338 GBP
As of November 2, 2026
Save $3,189 SGD (59%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $5,362 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.03ct natural heart diamond

This 1.03ct natural heart sits in the classic one-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 6541531057. Listed at 6 retailers as of October 30, 2026, with prices from $2,174 to $5,362, a $3,189 spread on the same certified stone. NZ Jewellers lists it at $5,362. 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

1.03
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle38.17°
Pavilion angle42.89°
OriginNatural
Grading LabGIA
CertificateGIA 6541531057
Dimensions6.03 × 7.04 × 4.20 mm
L/W Ratio1.17
Top View
6.03 mm7.04 mm1.03 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6541531057
Side View
Table 62.0%Crown 38.17°Girdle: STK-THKPavilion 42.89°Culet: NoneDepth 59.7%

Caratlytics Score

How it works →
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 2
Current: $5,362 SGD|Low: $2,064 SGD|High: $5,362 SGD|Avg: $2,979 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 7$2,064 SGD
Retailer 2$2,174 SGD
Retailer 4$2,198 SGD
Retailer 6$2,299 SGD
Retailer 5$2,362 SGD
Retailer 8$2,686 SGD
Retailer 9$3,009 SGD
Retailer 3$3,853 SGD
NZ Jewellers$5,362 SGD

28 data points across 9 retailers

6 retailers$2,174 SGD to $5,362 SGD

A
Cheapest Retailer
-
$2,174 SGD
£1,338 GBP
A
Retailer 2
-
$2,198 SGD
$1,719 USD
View
A
Retailer 3
-
$2,299 SGD
$1,798 USD
View
A
Retailer 4
-
$2,362 SGD
$1,847 USD
View
B+
Retailer 5
-
$3,853 SGD
£2,372 GBP
View
Most Expensive
B
NZ Jewellers
ea271e85-02d0-421d-bd70-cd62fb49ac31 · Oct 30
$5,362 SGD
$4,193 USD
View
5 more retailers have this diamond
Prices start from $2,174 SGDSave up to $3,189 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.

A
1.03ct Heart
$2,174 SGD