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Round|Natural|GIA

5.27ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 6471204065

Certificate GIA 6471204065

Diamond specifications and retailer prices

From £40,547 GBP
$54,329 USD
As of October 30, 2026
Save £30,951 GBP (43%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £71,498 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 5.27ct natural round diamond

This 5.27ct natural round sits in the over five carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6471204065. Listed at 13 retailers as of October 29, 2026, with prices from £40,547 to £71,498, a £30,951 spread on the same certified stone. MOH London lists it at £71,498. 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

5.27
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6471204065
Dimensions11.13 × 11.05 × 6.92 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
11.13 mm11.05 mm5.27 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6471204065
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.4%

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: £71,498 GBP|Low: £40,547 GBP|High: £74,965 GBP|Avg: £49,681 GBP|-4.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 30, 2026
Retailer 12£40,547 GBP
Retailer 3£41,267 GBP
Retailer 11£41,741 GBP
Retailer 6£41,777 GBP
Retailer 5£41,957 GBP
Retailer 13£45,537 GBP
Retailer 8£45,584 GBP
Retailer 4£47,434 GBP
Retailer 10£47,434 GBP
Retailer 9£49,331 GBP
Retailer 14£51,229 GBP
Retailer 2£55,252 GBP
Retailer 7£57,987 GBP
MOH London£71,498 GBP

32 data points across 14 retailers

13 retailers£40,547 GBP to £71,498 GBP

A
Cheapest Retailer
-
£40,547 GBP
$54,329 USD
A
Retailer 2
-
£41,267 GBP
$55,293 USD
View
A
Retailer 3
-
£41,741 GBP
$55,928 USD
View
Final sale: no returns
Retailer 4
-
£41,957 GBP
HK$439,200 HKD
View
Price last confirmed 44 days ago
A
Retailer 5
-
£45,537 GBP
$61,014 USD
View
A
Retailer 6
-
£45,584 GBP
View
A
Retailer 7
-
£47,434 GBP
$63,556 USD
View
A
Retailer 8
-
£47,434 GBP
$63,556 USD
View
A
Retailer 9
-
£49,331 GBP
$66,098 USD
View
A
Retailer 10
-
£51,229 GBP
$68,641 USD
View
A
Retailer 11
-
£55,252 GBP
€70,506 EUR
View
B+
Retailer 12
-
£57,987 GBP
View
Most Expensive
B+
MOH London
AC697E5FC · Oct 29
£71,498 GBP
View
12 more retailers have this diamond
Prices start from £40,547 GBPSave up to £30,951 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
5.27ct Round
£40,547 GBP