Round|Natural|IGI

5.05ct E SI2 Round Natural Diamond

VG • E/SI2 • IGI 571386020

Shape and cutting style on the report: Round brilliant

Certificate IGI 571386020

Diamond specifications and retailer prices

From £45,399 GBP
$60,829 USD
As of October 30, 2026
Save £25,861 GBP (36%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £71,259 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 5.05ct natural round diamond

This 5.05ct natural round sits in the over five carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 571386020. Listed at 12 retailers as of October 29, 2026, with prices from £45,399 to £71,259, a £25,861 spread on the same certified stone. MOH London lists it at £71,259. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

5.05
Carat
E
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle35.8°
Pavilion angle41.7°
OriginNatural
Grading LabIGI
CertificateIGI 571386020
Dimensions10.63 × 10.89 × 6.90 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Top View
10.63 mm10.89 mm5.05 ctE / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateIGI 571386020
Side View
Table 59.5%Crown 35.8°Girdle: STK-THKPavilion 41.7°Culet: NoneDepth 64.1%

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: £71,259 GBP|Low: £42,991 GBP|High: £71,733 GBP|Avg: £50,742 GBP|+10.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 3£45,399 GBP
Retailer 12£45,921 GBP
Retailer 7£47,276 GBP
Retailer 5£48,041 GBP
Retailer 4£48,454 GBP
Retailer 6£50,096 GBP
Retailer 10£52,183 GBP
Retailer 2£53,424 GBP
Retailer 9£54,270 GBP
Retailer 11£55,815 GBP
Retailer 8£56,358 GBP
MOH London£71,259 GBP

43 data points across 12 retailers

12 retailers£45,399 GBP to £71,259 GBP

Retailer 1
-
£42,991 GBP
$57,603 USD
Price last confirmed 59 days ago
A
Retailer 2
-
£45,399 GBP
$60,829 USD
View
A
Retailer 3
-
£45,921 GBP
$61,529 USD
View
Final sale: no returns
A
Retailer 4
-
£47,276 GBP
$63,344 USD
View
B+
Retailer 5
-
£48,041 GBP
View
B+
Retailer 6
-
£50,096 GBP
$67,123 USD
View
B+
Retailer 7
-
£52,183 GBP
$69,919 USD
View
B+
Retailer 8
-
£53,424 GBP
€68,173 EUR
View
B+
Retailer 9
-
£54,270 GBP
$72,716 USD
View
B+
Retailer 10
-
£55,815 GBP
$74,786 USD
View
B+
Retailer 11
-
£56,358 GBP
$75,513 USD
View
Most Expensive
B+
MOH London
B0BDA6B60 · Oct 29
£71,259 GBP
View
11 more retailers have this diamond
Prices start from £45,399 GBPSave up to £25,861 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
5.05ct Round
£45,399 GBP