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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 $6,574 SGD
$5,142 USD
As of October 30, 2026
Save $4,592 SGD (41%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $12,608 SGD 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 29, 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 30
Current: $12,608 SGD|Low: $6,416 SGD|High: $13,068 SGD|Avg: $8,636 SGD|-3.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 10$6,574 SGD
Retailer 5$6,744 SGD
Retailer 6$6,928 SGD
Retailer 7$7,006 SGD
Retailer 11$7,537 SGD
Retailer 4$7,705 SGD
Retailer 2$8,200 SGD
Retailer 3$8,697 SGD
Retailer 9$9,179 SGD
Retailer 8$11,165 SGD
NZ Jewellers$12,608 SGD

32 data points across 11 retailers

13 retailers$6,574 SGD to $11,165 SGD

A
Cheapest Retailer
-
$6,574 SGD
$5,142 USD
A
Retailer 2
-
$6,744 SGD
£4,154 GBP
View
A
Retailer 3
-
$6,928 SGD
$5,419 USD
View
Final sale: no returns
A
Retailer 4
-
$7,006 SGD
$5,480 USD
View
Retailer 5
-
$7,537 SGD
$5,896 USD
View
Price last confirmed 16 days ago
Retailer 6
-
$7,537 SGD
$5,896 USD
View
Price last confirmed 9 days ago
A
Retailer 7
-
$7,705 SGD
$6,027 USD
View
A
Retailer 8
-
$8,200 SGD
€6,109 EUR
View
Retailer 9
-
$8,697 SGD
$6,803 USD
View
Price last confirmed 10 days ago
Retailer 10
-
$9,015 SGD
$7,052 USD
View
Price last confirmed 43 days ago
A
Retailer 11
-
$9,179 SGD
ZAR 115,992 ZAR
View
A
Retailer 12
-
$11,165 SGD
£6,877 GBP
View
Most Expensive
NZ Jewellers
5e0377fb-cead-4d75-b8f3-7cc88ac6a101 · Oct 20
$12,608 SGD
$9,862 USD
View
Price last confirmed 11 days ago
12 more retailers have this diamond
Prices start from $6,574 SGDSave up to $4,592 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
$6,574 SGD