Round|Natural|GIA

4.01ct G SI1 Round Natural Diamond

ID • G/SI1 • GIA 02

Certificate GIA 02

Diamond specifications and retailer prices

From £54,510 GBP
$73,038 USD
As of October 30, 2026
Save £7,698 GBP (12%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £71,362 GBP at Aurelinne · As of September 17, 2026
View at Aurelinne

About this 4.01ct natural round diamond

This 4.01ct natural round sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA. Listed at 6 retailers as of October 30, 2026, with a relatively tight 14% 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

4.01
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 02
Dimensions10.14 × 10.21 × 6.29 mm
L/W Ratio1.01
Top View
10.14 mm10.21 mm4.01 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 02
Side View
Table 58.0%CrownGirdle: THN-MEDPavilionCulet: NoneDepth 61.8%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: £71,362 GBP|Low: £53,998 GBP|High: £71,362 GBP|Avg: £61,567 GBP
Aurelinne
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
September 25, 2026
Retailer 2£54,510 GBP
Retailer 7£57,280 GBP
Retailer 6£62,208 GBP
Retailer 5£63,433 GBP
Retailer 3£66,076 GBP
Retailer 4£68,719 GBP
Aurelinne£71,362 GBP

7 data points across 7 retailers

6 retailers£54,510 GBP to £62,208 GBP

B+
Cheapest Retailer
-
£54,510 GBP
$73,038 USD
B+
Retailer 2
-
£57,280 GBP
$76,749 USD
View
B+
Retailer 3
-
£62,208 GBP
$83,352 USD
View
Retailer 4
-
£66,076 GBP
$88,534 USD
View
Price last confirmed 43 days ago
Retailer 5
-
£68,719 GBP
$92,076 USD
View
Price last confirmed 47 days ago
Most Expensive
Aurelinne
c1185e52-5e4f-4d4c-8f69-f44c803b91d6 · Sep 17
£71,362 GBP
$95,617 USD
View
Price last confirmed 44 days ago
5 more retailers have this diamond
Prices start from £54,510 GBPSave up to £7,698 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+
4.01ct Round
£54,510 GBP