Round|Natural|IGI

5.01ct I SI2 Round Natural Diamond

VG • I/SI2 • IGI 818695663

Shape and cutting style on the report: Round brilliant

Certificate IGI 818695663

Diamond specifications and retailer prices

From £23,550 GBP
$31,555 USD
As of October 29, 2026
Save £13,371 GBP (36%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £36,921 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 5.01ct natural round diamond

This 5.01ct natural round sits in the over five carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 818695663. Listed at 10 retailers as of October 29, 2026, with prices from £23,550 to £36,921, a £13,371 spread on the same certified stone. MOH London lists it at £36,921. 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

5.01
Carat
I
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceStrong
Crown angle36.8°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 818695663
Dimensions10.70 × 10.79 × 6.77 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
10.70 mm10.79 mm5.01 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateIGI 818695663
Side View
Table 59.0%Crown 36.8°Girdle: MED-THKPavilion 40.6°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: Oct 29
Current: £36,921 GBP|Low: £23,550 GBP|High: £37,168 GBP|Avg: £27,892 GBP|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 9£23,550 GBP
Retailer 5£23,631 GBP
Retailer 8£24,495 GBP
Retailer 7£25,956 GBP
Retailer 4£27,254 GBP
Retailer 10£28,119 GBP
Retailer 2£28,606 GBP
Retailer 6£29,201 GBP
Retailer 3£30,028 GBP
MOH London£36,921 GBP

35 data points across 10 retailers

10 retailers£23,550 GBP to £36,921 GBP

A
Cheapest Retailer
-
£23,550 GBP
$31,555 USD
A
Retailer 2
-
£23,631 GBP
$31,663 USD
View
A
Retailer 3
-
£24,495 GBP
$32,820 USD
View
B+
Retailer 4
-
£25,956 GBP
$34,778 USD
View
B+
Retailer 5
-
£27,254 GBP
$36,517 USD
View
B+
Retailer 6
-
£28,119 GBP
$37,677 USD
View
B+
Retailer 7
-
£28,606 GBP
€36,504 EUR
View
B+
Retailer 8
-
£29,201 GBP
$39,126 USD
View
B+
Retailer 9
-
£30,028 GBP
View
Most Expensive
B+
MOH London
1AEA50FEB · Oct 29
£36,921 GBP
View
9 more retailers have this diamond
Prices start from £23,550 GBPSave up to £13,371 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
5.01ct Round
£23,550 GBP