Round|Natural|IGI

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 $5,239 SGD
As of October 31, 2026
Save $6,064 SGD (54%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $11,303 SGD 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 $5,239 to $11,303, a $6,064 spread on the same certified stone. MOH London lists it at $11,303. 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

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $11,303 SGD|Low: $5,239 SGD|High: $11,735 SGD|Avg: $8,173 SGD|+2.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 2$5,239 SGD
Retailer 4$6,240 SGD
Retailer 3$7,145 SGD
Retailer 5$7,828 SGD
MOH London$11,303 SGD

26 data points across 5 retailers

5 retailers$5,239 SGD to $11,303 SGD

A
Cheapest Retailer
-
$5,239 SGD
A
Retailer 2
-
$6,240 SGD
£3,843 GBP
View
A
Retailer 3
-
$7,145 SGD
$5,589 USD
View
A
Retailer 4
-
$7,828 SGD
€5,832 EUR
View
Most Expensive
A
MOH London
CA1711FE5 · Oct 29
$11,303 SGD
£6,962 GBP
View
4 more retailers have this diamond
Prices start from $5,239 SGDSave up to $6,064 SGD

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
$5,239 SGD