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Round|Natural|GIA

1.03ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 5566677083

Certificate GIA 5566677083

Diamond specifications and retailer prices

From $2,493 SGD
As of November 1, 2026
Save $3,322 SGD (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $6,939 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 5566677083. Listed at 17 retailers as of November 1, 2026, with a 133% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 5566677083
Dimensions6.45 × 6.49 × 3.99 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
6.45 mm6.49 mm1.03 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5566677083
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $6,939 SGD|Low: $2,476 SGD|High: $6,939 SGD|Avg: $3,780 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 16$2,493 SGD
Retailer 13$2,620 SGD
Retailer 2$3,017 SGD
Retailer 14$3,050 SGD
Retailer 10$3,063 SGD
Retailer 7$3,096 SGD
Retailer 4$3,319 SGD
Retailer 18$3,319 SGD
Retailer 8$3,396 SGD
Retailer 9$3,471 SGD
Retailer 3$3,472 SGD
Retailer 6$3,499 SGD
Retailer 11$3,526 SGD
Retailer 17$3,829 SGD
Retailer 12$4,127 SGD
Retailer 15$5,815 SGD
Retailer 5$6,176 SGD
NZ Jewellers$6,939 SGD

11 data points across 18 retailers

17 retailers$2,493 SGD to $5,815 SGD

A
Cheapest Retailer
-
$2,493 SGD
A
Retailer 2
-
$2,620 SGD
View
A
Retailer 3
-
$3,017 SGD
View
A
Retailer 4
-
$3,050 SGD
View
A
Retailer 5
-
$3,096 SGD
View
Retailer 6
-
$3,319 SGD
View
Price last confirmed 9 days ago
A
Retailer 7
-
$3,319 SGD
View
A
Retailer 8
-
$3,396 SGD
View
Retailer 9
-
$3,471 SGD
View
Price last confirmed 12 days ago
A
Retailer 10
-
$3,472 SGD
View
B+
Retailer 11
-
$3,499 SGD
View
B+
Retailer 12
-
$3,526 SGD
View
B+
Retailer 13
-
$3,829 SGD
View
B+
Retailer 14
-
$4,127 SGD
View
B
Retailer 15
-
$5,815 SGD
View
Retailer 16
-
$6,176 SGD
View
Price last confirmed 10 days ago
Most Expensive
NZ Jewellers
368f4929-beb8-45a7-a59c-13c6aee169f1 · Oct 30
$6,939 SGD
$5,414 USD
View
Price last confirmed 8 days ago
16 more retailers have this diamond
Prices start from $2,493 SGDSave up to $3,322 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 Round
$2,493 SGD