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Round|Natural|GIA

3.03ct F SI1 Round Natural Diamond

ID • F/SI1 • GIA 10

Certificate GIA 10

Diamond specifications and retailer prices

From £40,014 GBP
As of November 6, 2026
Save £6,144 GBP (13%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £52,210 GBP at Aurelinne · As of September 6, 2026
View at Aurelinne

About this 3.03ct natural round diamond

This 3.03ct natural round sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA. Listed at 4 retailers as of November 5, 2026, with a relatively tight 15% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

3.03
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 10
Dimensions9.19 × 9.25 × 5.71 mm
L/W Ratio1.01
Top View
9.19 mm9.25 mm3.03 ctF / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 10
Side View
Table 58.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.9%

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: £52,210 GBP|Low: £39,618 GBP|High: £52,210 GBP|Avg: £44,461 GBP
Aurelinne
Retailer 2
Retailer 3
Retailer 4
Retailer 5
September 23, 2026
Retailer 2£40,014 GBP
Retailer 5£41,874 GBP
Retailer 4£46,159 GBP
Retailer 3£46,409 GBP
Aurelinne£52,210 GBP

4 data points across 5 retailers

4 retailers£40,014 GBP to £46,159 GBP

B+
Cheapest Retailer
-
£40,014 GBP
B
Retailer 2
-
£41,874 GBP
View
B
Retailer 3
-
£46,159 GBP
View
Most Expensive
Aurelinne
147d8d6c-581d-4174-b6ac-108791955957 · Sep 6
£52,210 GBP
$69,882 USD
View
Price last confirmed 61 days ago
3 more retailers have this diamond
Prices start from £40,014 GBPSave up to £6,144 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.

B+
3.03ct Round
£40,014 GBP