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Round|Natural|GIA

1.03ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 5456761629

Certificate GIA 5456761629

Diamond specifications and retailer prices

From £1,539 GBP
As of November 6, 2026
Save £2,928 GBP (66%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £4,468 GBP at Diamond Quarter · As of November 5, 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 5456761629. Listed at 17 retailers as of November 5, 2026, with prices from £1,539 to £4,468, a £2,928 spread on the same certified stone. Diamond Quarter lists it at £4,468. 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 5456761629
Dimensions6.53 × 6.49 × 3.99 mm
L/W Ratio1.01
Top View
6.53 mm6.49 mm1.03 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5456761629
Side View
Table 61.0%Crown 33°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 61.3%

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 6
Current: £1,868 GBP|Low: £1,434 GBP|High: £3,663 GBP|Avg: £2,133 GBP|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5£1,539 GBP
Retailer 6£1,691 GBP
Retailer 7£1,727 GBP
Retailer 1£1,868 GBP
Retailer 8£1,958 GBP
Retailer 2£2,174 GBP
Retailer 4£2,326 GBP
Retailer 3£3,610 GBP

45 data points across 8 retailers

17 retailers£1,539 GBP to £4,468 GBP

A
Cheapest Retailer
-
£1,539 GBP
A
Retailer 2
-
£1,691 GBP
View
A
Retailer 3
-
£1,727 GBP
View
Final sale: no returns
A
Retailer 4
-
£1,868 GBP
View
Retailer 5
-
£1,872 GBP
View
Price last confirmed 8 days ago
A
Retailer 6
-
£1,872 GBP
View
A
Retailer 7
-
£1,958 GBP
View
Retailer 8
-
£1,962 GBP
View
Price last confirmed 109 days ago
B+
Retailer 9
-
£2,144 GBP
View
B+
Retailer 10
-
£2,144 GBP
View
B+
Retailer 11
-
£2,160 GBP
View
B+
Retailer 12
-
£2,174 GBP
View
B+
Retailer 13
-
£2,219 GBP
View
B+
Retailer 14
-
£2,326 GBP
View
B
Retailer 15
-
£3,610 GBP
View
B
Retailer 16
-
£4,320 GBP
View
Most Expensive
B
Diamond Quarter
1.03SI2F542977BAN · Nov 5
£4,468 GBP
View
16 more retailers have this diamond
Prices start from £1,539 GBPSave up to £2,928 GBP

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
£1,539 GBP