Round|Natural|IGI

1.09ct E IF Round Natural Diamond

EX • E/IF • IGI 811697518

Shape and cutting style on the report: Round brilliant

Certificate IGI 811697518

Diamond specifications and retailer prices

From €4,619 EUR
$5,142 USD
As of October 28, 2026
Save €3,226 EUR (41%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €8,858 EUR at NZ Jewellers · As of October 20, 2026
View at NZ Jewellers

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 811697518. Listed at 13 retailers as of October 28, 2026, with a 70% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle34.3°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 811697518
Dimensions6.60 × 6.65 × 4.11 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.60 mm6.65 mm1.09 ctE / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 811697518
Side View
Table 54.0%Crown 34.3°Girdle: THN-MEDPavilion 40.9°CuletDepth 62.0%

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 28
Current: €4,922 EUR|Low: €4,508 EUR|High: €8,175 EUR|Avg: €5,738 EUR|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 6€4,619 EUR
Retailer 2€4,752 EUR
Retailer 9€4,888 EUR
Retailer 1€4,922 EUR
Retailer 7€5,296 EUR
Retailer 8€5,436 EUR
Retailer 4€5,779 EUR
Retailer 5€6,449 EUR
Retailer 3€7,845 EUR

31 data points across 9 retailers

13 retailers€4,619 EUR to €7,845 EUR

A
Cheapest Retailer
-
€4,619 EUR
$5,142 USD
A
Retailer 2
-
€4,752 EUR
£4,165 GBP
View
A
Retailer 3
-
€4,888 EUR
$5,442 USD
View
Final sale: no returns
A
Retailer 4
-
€4,922 EUR
$5,480 USD
View
A
Retailer 5
-
€5,296 EUR
$5,896 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
€5,296 EUR
$5,896 USD
View
Price last confirmed 7 days ago
A
Retailer 7
-
€5,436 EUR
$6,052 USD
View
A
Retailer 8
-
€5,779 EUR
View
A
Retailer 9
-
€6,111 EUR
$6,803 USD
View
Price last confirmed 8 days ago
A
Retailer 10
-
€6,334 EUR
$7,052 USD
View
Price last confirmed 40 days ago
A
Retailer 11
-
€6,449 EUR
ZAR 115,992 ZAR
View
A
Retailer 12
-
€7,845 EUR
£6,877 GBP
View
Most Expensive
A
NZ Jewellers
5e0377fb-cead-4d75-b8f3-7cc88ac6a101 · Oct 20
€8,858 EUR
$9,862 USD
View
Price last confirmed 8 days ago
12 more retailers have this diamond
Prices start from €4,619 EURSave up to €3,226 EUR

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
€4,619 EUR