Round|Natural|IGI

5.05ct I SI2 Round Natural Diamond

EX • I/SI2 • IGI 737544774

Shape and cutting style on the report: Round brilliant

Certificate IGI 737544774

Diamond specifications and retailer prices

From £23,613 GBP
₹3,013,212 INR
As of October 30, 2026
Save £16,447 GBP (41%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £40,060 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 737544774. Listed at 13 retailers as of October 29, 2026, with prices from £23,613 to £40,060, a £16,447 spread on the same certified stone. MOH London lists it at £40,060. 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

5.05
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 737544774
Dimensions10.92 × 10.98 × 6.82 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
10.92 mm10.98 mm5.05 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 737544774
Side View
Table 56.0%Crown 36.4°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.3%

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: £40,060 GBP|Low: £23,613 GBP|High: £79,551 GBP|Avg: £30,209 GBP|-4.1%
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
October 30, 2026
Retailer 2£23,613 GBP
Retailer 12£24,513 GBP
Retailer 6£24,730 GBP
Retailer 10£24,899 GBP
Retailer 7£25,633 GBP
Retailer 13£28,163 GBP
Retailer 4£29,337 GBP
Retailer 11£29,859 GBP
Retailer 8£30,241 GBP
Retailer 5£30,510 GBP
Retailer 9£31,337 GBP
Retailer 3£31,683 GBP
MOH London£40,060 GBP

24 data points across 13 retailers

13 retailers£23,613 GBP to £40,060 GBP

A
Cheapest Retailer
-
£23,613 GBP
₹3,013,212 INR
A
Retailer 2
-
£24,513 GBP
$32,845 USD
View
A
Retailer 3
-
£24,730 GBP
$33,135 USD
View
A
Retailer 4
-
£24,899 GBP
$33,362 USD
View
Final sale: no returns
A
Retailer 5
-
£25,633 GBP
$34,346 USD
View
A
Retailer 6
-
£28,163 GBP
$37,735 USD
View
A
Retailer 7
-
£29,337 GBP
$39,308 USD
View
A
Retailer 8
-
£29,859 GBP
€38,103 EUR
View
A
Retailer 9
-
£30,241 GBP
$40,519 USD
View
A
Retailer 10
-
£30,510 GBP
$40,880 USD
View
A
Retailer 11
-
£31,337 GBP
View
A
Retailer 12
-
£31,683 GBP
$42,452 USD
View
Most Expensive
A
MOH London
49EEDC128 · Oct 29
£40,060 GBP
View
12 more retailers have this diamond
Prices start from £23,613 GBPSave up to £16,447 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
£23,613 GBP