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Round|Natural|GIA

1.03ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 1493000926

Certificate GIA 1493000926

Diamond specifications and retailer prices

From $3,007 SGD
As of November 5, 2026
Save $2,859 SGD (49%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $7,018 SGD at NZ Jewellers · As of September 26, 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 1493000926. Listed at 13 retailers as of November 4, 2026, with a 95% 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 angle33°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1493000926
Dimensions6.50 × 6.45 × 4.00 mm
L/W Ratio1.01
Star length55%
Lower girdle80%
Key to symbols
Crystal, Needle, Feather
Top View
6.50 mm6.45 mm1.03 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1493000926
Side View
Table 59.0%Crown 33°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 61.8%

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 5
Current: $3,531 SGD|Low: $2,516 SGD|High: $5,952 SGD|Avg: $3,467 SGD|+0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 7$2,523 SGD
Retailer 2$3,007 SGD
Retailer 4$3,045 SGD
Retailer 8$3,089 SGD
Retailer 9$3,098 SGD
Retailer 10$3,357 SGD
Retailer 6$3,486 SGD
Retailer 1$3,531 SGD
Retailer 5$4,174 SGD
Retailer 3$5,866 SGD

37 data points across 10 retailers

13 retailers$3,007 SGD to $5,866 SGD

Retailer 1
-
$2,523 SGD
Price last confirmed 15 days ago
Retailer 2
-
$2,746 SGD
View
Price last confirmed 15 days ago
A
Retailer 3
-
$3,007 SGD
View
A
Retailer 4
-
$3,045 SGD
View
A
Retailer 5
-
$3,089 SGD
View
A
Retailer 6
-
$3,098 SGD
View
Final sale: no returns
Retailer 7
-
$3,357 SGD
View
Price last confirmed 44 days ago
B+
Retailer 8
-
$3,486 SGD
View
A
Retailer 9
-
$3,531 SGD
View
B+
Retailer 10
-
$3,537 SGD
View
B+
Retailer 11
-
$4,174 SGD
View
B
Retailer 12
-
$5,866 SGD
View
Most Expensive
NZ Jewellers
38b38ea0-0b5e-4cf6-ba16-30d50b66c28f · Sep 26
$7,018 SGD
$5,476 USD
View
Price last confirmed 41 days ago
12 more retailers have this diamond
Prices start from $3,007 SGDSave up to $2,859 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
$3,007 SGD