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1.09ct E IF Round Natural Diamond

EX • E/IF • IGI 819640375

Shape and cutting style on the report: Round brilliant

Certificate IGI 819640375

Diamond specifications and retailer prices

From £3,059 GBP
SGD 5,538 SGD
As of October 31, 2026
Save £3,540 GBP (54%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £6,599 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.09ct natural round diamond

This 1.09ct natural round sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 819640375. Listed at 5 retailers as of October 29, 2026, with prices from £3,059 to £6,599, a £3,540 spread on the same certified stone. MOH London lists it at £6,599. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle41.2°
OriginNatural
Grading LabIGI
CertificateIGI 819640375
Dimensions6.53 × 6.57 × 4.14 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
6.53 mm6.57 mm1.09 ctE / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 819640375
Side View
Table 57.0%Crown 36.5°Girdle: MediumPavilion 41.2°Culet: NoneDepth 63.2%

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 31
Current: £6,599 GBP|Low: £3,059 GBP|High: £6,851 GBP|Avg: £4,772 GBP|+2.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 2£3,059 GBP
Retailer 4£3,643 GBP
Retailer 3£4,171 GBP
Retailer 5£4,570 GBP
MOH London£6,599 GBP

26 data points across 5 retailers

5 retailers£3,059 GBP to £6,599 GBP

A
Cheapest Retailer
-
£3,059 GBP
SGD 5,538 SGD
A
Retailer 2
-
£3,643 GBP
View
A
Retailer 3
-
£4,171 GBP
$5,589 USD
View
A
Retailer 4
-
£4,570 GBP
€5,832 EUR
View
Most Expensive
A
MOH London
CA1711FE5 · Oct 29
£6,599 GBP
View
4 more retailers have this diamond
Prices start from £3,059 GBPSave up to £3,540 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
1.09ct Round
£3,059 GBP