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4.01ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 5241090185

Certificate GIA 5241090185

Diamond specifications and retailer prices

From £39,601 GBP
As of October 30, 2026
Save £20,495 GBP (34%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £60,096 GBP at MOH London · As of October 29, 2026
View at MOH London

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 5241090185. Listed at 6 retailers as of October 29, 2026, with prices from £39,601 to £60,096, a £20,495 spread on the same certified stone. MOH London lists it at £60,096. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5241090185
Dimensions10.02 × 10.08 × 6.38 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Twinning Wisp, Crystal, Feather
Top View
10.02 mm10.08 mm4.01 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 5241090185
Side View
Table 56.0%Crown 36.5°GirdlePavilion 41°CuletDepth 63.5%

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: Oct 30
Current: £60,096 GBP|Low: £39,521 GBP|High: £61,327 GBP|Avg: £45,580 GBP|-2.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 2£39,601 GBP
Retailer 6£39,869 GBP
Retailer 4£40,895 GBP
Retailer 5£44,008 GBP
Retailer 3£45,768 GBP
MOH London£60,096 GBP

16 data points across 6 retailers

6 retailers£39,601 GBP to £60,096 GBP

A
Cheapest Retailer
-
£39,601 GBP
A
Retailer 2
-
£39,869 GBP
$53,420 USD
View
A
Retailer 3
-
£40,895 GBP
$54,795 USD
View
A
Retailer 4
-
£44,008 GBP
$58,966 USD
View
B+
Retailer 5
-
£45,768 GBP
$61,324 USD
View
Most Expensive
B
MOH London
A4DFE6DDE · Oct 29
£60,096 GBP
View
5 more retailers have this diamond
Prices start from £39,601 GBPSave up to £20,495 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
4.01ct Round
£39,601 GBP