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1.03ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 7491801551

Shape and cutting style on the report: Round

Certificate GIA 7491801551

Diamond specifications and retailer prices

From $3,778 SGD
As of November 6, 2026
Save $5,414 SGD (59%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $9,193 SGD at Diamond Quarter · As of November 6, 2026
View at Diamond Quarter

About this 1.03ct natural round diamond

This 1.03ct natural round sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7491801551. Listed at 15 retailers as of November 6, 2026, with prices from $3,778 to $9,193, a $5,414 spread on the same certified stone. Diamond Quarter lists it at $9,193. 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

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7491801551
Dimensions6.49 × 6.46 × 4.02 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Girdle conditionFaceted
Key to symbols
Cloud, Crystal, Needle
Top View
6.49 mm6.46 mm1.03 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7491801551
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.1%

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 6
Current: $4,832 SGD|Low: $3,273 SGD|High: $8,184 SGD|Avg: $5,242 SGD|+1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 4$3,723 SGD
Retailer 8$3,778 SGD
Retailer 5$3,928 SGD
Retailer 9$4,255 SGD
Retailer 6$4,419 SGD
Retailer 1$4,832 SGD
Retailer 2$5,463 SGD
Retailer 3$7,834 SGD
Retailer 7$8,184 SGD

40 data points across 9 retailers

15 retailers$3,778 SGD to $9,193 SGD

B+
Cheapest Retailer
-
$3,778 SGD
B+
Retailer 2
-
$3,928 SGD
View
Final sale: no returns
Retailer 3
-
$4,255 SGD
View
Price last confirmed 9 days ago
B+
Retailer 4
-
$4,255 SGD
View
B+
Retailer 5
-
$4,419 SGD
View
B+
Retailer 6
-
$4,832 SGD
View
B+
Retailer 7
-
$4,832 SGD
View
B+
Retailer 8
-
$4,832 SGD
View
B+
Retailer 9
-
$4,910 SGD
View
B+
Retailer 10
-
$4,985 SGD
View
Retailer 11
-
$5,320 SGD
View
Price last confirmed 15 days ago
B+
Retailer 12
-
$5,463 SGD
View
B
Retailer 13
-
$7,834 SGD
View
B
Retailer 14
-
$8,184 SGD
View
Most Expensive
B
Diamond Quarter
1.03SI2F74518A09N · Nov 6
$9,193 SGD
£5,648 GBP
View
14 more retailers have this diamond
Prices start from $3,778 SGDSave up to $5,414 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+
1.03ct Round
$3,778 SGD