Round|Natural|IGI

4.04ct N SI2 Round Natural Diamond

EX • N/SI2 • IGI F6G40943

Shape and cutting style on the report: Round brilliant

Certificate IGI F6G40943

Diamond specifications and retailer prices

From £25,205 GBP
As of November 5, 2026
Save £4,843 GBP (16%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £30,048 GBP at Aurelinne · As of November 5, 2026
View at Aurelinne

About this 4.04ct natural round diamond

This 4.04ct natural round sits in the three to five carat band, graded N colour (tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI F6G40943. Listed at 7 retailers as of November 5, 2026, with prices from £25,205 to £30,048, a £4,843 spread on the same certified stone. Aurelinne lists it at £30,048. 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

4.04
Carat
N
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.4°
OriginNatural
Grading LabIGI
CertificateIGI F6G40943
Dimensions10.15 × 10.16 × 6.36 mm
L/W Ratio1.00
Culet sizePointed
Top View
10.15 mm10.16 mm4.04 ctN / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateIGI F6G40943
Side View
Table 56.0%Crown 36.5°Girdle: MediumPavilion 40.4°Culet: NoneDepth 62.6%

Caratlytics Score

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C
Average
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Price History

Last verified: Nov 5
Current: £30,048 GBP|Low: £25,205 GBP|High: £30,048 GBP|Avg: £28,120 GBP
Aurelinne
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 6£25,205 GBP
Retailer 4£26,709 GBP
Retailer 3£28,044 GBP
Retailer 2£28,208 GBP
Retailer 5£28,935 GBP
Retailer 7£29,735 GBP
Aurelinne£30,048 GBP

25 data points across 7 retailers

7 retailers£25,205 GBP to £30,048 GBP

C
Cheapest Retailer
-
£25,205 GBP
Retailer 2
-
£26,709 GBP
View
Price last confirmed 8 days ago
C
Retailer 3
-
£28,044 GBP
View
C
Retailer 4
-
£28,208 GBP
View
C
Retailer 5
-
£28,935 GBP
View
C
Retailer 6
-
£29,735 GBP
View
Most Expensive
C
Aurelinne
212d490a-ec25-4264-aac2-1489e6587822 · Nov 5
£30,048 GBP
$40,442 USD
View
6 more retailers have this diamond
Prices start from £25,205 GBPSave up to £4,843 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.

C
4.04ct Round
£25,205 GBP