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Round|Natural|GIA

1.03ct F SI2 Round Natural Diamond

GD • F/SI2 • GIA 6291496559

Certificate GIA 6291496559

Diamond specifications and retailer prices

From $3,553 SGD
As of November 6, 2026
Save $5,640 SGD (61%) vs most expensive(unlock to see where)
13 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 standard cut grade and certified by GIA 6291496559. Listed at 13 retailers as of November 6, 2026, with prices from $3,553 to $9,193, a $5,640 spread on the same certified stone. Diamond Quarter lists it at $9,193. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.03
Carat
F
Colour
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6291496559
Dimensions6.22 × 6.19 × 4.09 mm
L/W Ratio1.00
Star length55%
Lower girdle75%
Top View
6.22 mm6.19 mm1.03 ctF / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6291496559
Side View
Table 63.0%Crown 38.5°Girdle: THK-VTKPavilion 41.8°Culet: NoneDepth 65.9%

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: $4,502 SGD|Low: $3,553 SGD|High: $7,628 SGD|Avg: $4,822 SGD|+1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 7, 2026
Retailer 9$3,553 SGD
Retailer 7$3,595 SGD
Retailer 8$3,759 SGD
Retailer 3$3,967 SGD
Retailer 12$3,967 SGD
Retailer 10$4,119 SGD
Retailer 1$4,502 SGD
Retailer 2$4,577 SGD
Retailer 4$4,962 SGD
Retailer 5$5,084 SGD
Retailer 6$7,301 SGD
Retailer 11$7,628 SGD

43 data points across 12 retailers

13 retailers$3,553 SGD to $9,193 SGD

B+
Cheapest Retailer
-
$3,553 SGD
B+
Retailer 2
-
$3,595 SGD
View
B+
Retailer 3
-
$3,759 SGD
View
B+
Retailer 4
-
$3,967 SGD
View
Retailer 5
-
$3,967 SGD
View
Price last confirmed 9 days ago
B+
Retailer 6
-
$4,119 SGD
View
B
Retailer 7
-
$4,502 SGD
View
B
Retailer 8
-
$4,577 SGD
View
Retailer 9
-
$4,962 SGD
View
Price last confirmed 15 days ago
B
Retailer 10
-
$5,084 SGD
View
B
Retailer 11
-
$7,301 SGD
View
C
Retailer 12
-
$7,628 SGD
View
Most Expensive
C
Diamond Quarter
1.03SI2F62599220N · Nov 6
$9,193 SGD
£5,648 GBP
View
12 more retailers have this diamond
Prices start from $3,553 SGDSave up to $5,640 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
$3,553 SGD