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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 $7,320 AUD
$5,142 USD
As of October 30, 2026
Save $5,113 AUD (41%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $14,040 AUD 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: $14,040 AUD|Low: $7,145 AUD|High: $14,552 AUD|Avg: $9,607 AUD|-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 31, 2026
Retailer 10$7,320 AUD
Retailer 6$7,510 AUD
Retailer 7$7,714 AUD
Retailer 8$7,801 AUD
Retailer 11$8,394 AUD
Retailer 5$8,580 AUD
Retailer 4$9,132 AUD
Retailer 3$9,685 AUD
Retailer 2$10,269 AUD
Retailer 9$12,433 AUD
NZ Jewellers$14,040 AUD

33 data points across 11 retailers

13 retailers$7,320 AUD to $12,433 AUD

A
Cheapest Retailer
-
$7,320 AUD
$5,142 USD
A
Retailer 2
-
$7,510 AUD
£4,154 GBP
View
A
Retailer 3
-
$7,714 AUD
$5,419 USD
View
Final sale: no returns
A
Retailer 4
-
$7,801 AUD
$5,480 USD
View
Retailer 5
-
$8,394 AUD
$5,896 USD
View
Price last confirmed 16 days ago
Retailer 6
-
$8,394 AUD
$5,896 USD
View
Price last confirmed 9 days ago
A
Retailer 7
-
$8,580 AUD
$6,027 USD
View
A
Retailer 8
-
$9,132 AUD
€6,109 EUR
View
Retailer 9
-
$9,685 AUD
$6,803 USD
View
Price last confirmed 11 days ago
Retailer 10
-
$10,039 AUD
$7,052 USD
View
Price last confirmed 43 days ago
A
Retailer 11
-
$10,269 AUD
ZAR 116,538 ZAR
View
A
Retailer 12
-
$12,433 AUD
£6,877 GBP
View
Most Expensive
NZ Jewellers
5e0377fb-cead-4d75-b8f3-7cc88ac6a101 · Oct 20
$14,040 AUD
$9,862 USD
View
Price last confirmed 11 days ago
12 more retailers have this diamond
Prices start from $7,320 AUDSave up to $5,113 AUD

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
$7,320 AUD