Round|Natural|GIA

4.02ct M SI2 Round Natural Diamond

EX • M/SI2 • GIA 7541347380

Certificate GIA 7541347380

Diamond specifications and retailer prices

From £12,449 GBP
As of November 1, 2026
Save £7,995 GBP (39%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £20,443 GBP at NZ Jewellers · As of October 20, 2026
View at NZ Jewellers

About this 4.02ct natural round diamond

This 4.02ct natural round sits in the three to five carat band, graded M colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7541347380. Listed at 13 retailers as of October 30, 2026, with a 64% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.02
Carat
M
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 7541347380
Dimensions10.09 × 10.15 × 6.37 mm
L/W Ratio1.01
Cert comments
Pinpoints, clouds and surface graining are not shown.
Key to symbols
Twinning Wisp, Crystal, Feather, Needle
Top View
10.09 mm10.15 mm4.02 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7541347380
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.9%

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 1
Current: £20,443 GBP|Low: £12,573 GBP|High: £20,443 GBP|Avg: £16,541 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 4, 2026
Retailer 4£12,585 GBP
Retailer 8£14,886 GBP
Retailer 10£15,265 GBP
Retailer 3£15,686 GBP
Retailer 5£16,725 GBP
Retailer 9£16,854 GBP
Retailer 2£16,901 GBP
Retailer 6£17,256 GBP
Retailer 7£17,919 GBP
NZ Jewellers£20,443 GBP

28 data points across 10 retailers

13 retailers£12,449 GBP to £20,443 GBP

A
Cheapest Retailer
-
£12,449 GBP
A
Retailer 2
-
£12,585 GBP
View
A
Retailer 3
-
£14,886 GBP
View
A
Retailer 4
-
£15,686 GBP
View
Retailer 5
-
£16,725 GBP
View
Price last confirmed 8 days ago
Retailer 6
-
£16,725 GBP
View
Price last confirmed 22 days ago
B+
Retailer 7
-
£16,854 GBP
View
B+
Retailer 8
-
£16,901 GBP
View
B+
Retailer 9
-
£17,256 GBP
View
Retailer 10
-
£17,256 GBP
View
Price last confirmed 17 days ago
B+
Retailer 11
-
£17,919 GBP
View
B+
Retailer 12
-
£20,443 GBP
View
Most Expensive
NZ Jewellers
f80dec45-eb71-4c24-bad6-41071b140d49 · Oct 20
£20,443 GBP
$27,515 USD
View
Price last confirmed 16 days ago
12 more retailers have this diamond
Prices start from £12,449 GBPSave up to £7,995 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
4.02ct Round
£12,449 GBP