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Round|Natural|IGI

1.09ct I IF Round Natural Diamond

EX • I/IF • IGI 803629118

Shape and cutting style on the report: Round brilliant

Certificate IGI 803629118

Diamond specifications and retailer prices

From $3,417 AUD
$2,400 USD
As of October 31, 2026
Save $3,266 AUD (49%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $8,134 AUD at NZ Jewellers · As of September 28, 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 I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 803629118. Listed at 17 retailers as of October 31, 2026, with a 96% 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
I
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41.7°
OriginNatural
Grading LabIGI
CertificateIGI 803629118
Dimensions6.53 × 6.56 × 4.12 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
6.53 mm6.56 mm1.09 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 803629118
Side View
Table 59.0%Crown 34.4°Girdle: MED-STKPavilion 41.7°Culet: NoneDepth 63.0%

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 31
Current: $8,134 AUD|Low: $3,417 AUD|High: $8,134 AUD|Avg: $4,685 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 11$3,417 AUD
Retailer 7$3,488 AUD
Retailer 9$3,674 AUD
Retailer 5$3,891 AUD
Retailer 2$4,015 AUD
Retailer 13$4,018 AUD
Retailer 8$4,126 AUD
Retailer 10$4,466 AUD
Retailer 4$4,558 AUD
Retailer 12$4,689 AUD
Retailer 3$5,489 AUD
Retailer 6$6,682 AUD
NZ Jewellers$8,134 AUD

43 data points across 13 retailers

17 retailers$3,417 AUD to $6,682 AUD

A
Cheapest Retailer
-
$3,417 AUD
$2,400 USD
A
Retailer 2
-
$3,488 AUD
$2,450 USD
View
A
Retailer 3
-
$3,674 AUD
$2,581 USD
View
Retailer 4
-
$3,891 AUD
$2,733 USD
View
Price last confirmed 31 days ago
Retailer 5
-
$3,891 AUD
$2,733 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
$4,015 AUD
$2,821 USD
View
A
Retailer 7
-
$4,018 AUD
$2,822 USD
View
Retailer 8
-
$4,040 AUD
$2,838 USD
View
Price last confirmed 33 days ago
A
Retailer 9
-
$4,126 AUD
£2,282 GBP
View
A
Retailer 10
-
$4,466 AUD
£2,470 GBP
View
Retailer 11
-
$4,490 AUD
$3,154 USD
View
Price last confirmed 33 days ago
A
Retailer 12
-
$4,558 AUD
€3,049 EUR
View
A
Retailer 13
-
$4,689 AUD
ZAR 53,207 ZAR
View
A
Retailer 14
-
$5,489 AUD
£3,036 GBP
View
B+
Retailer 15
-
$6,682 AUD
£3,696 GBP
View
Retailer 16
-
$8,134 AUD
$5,714 USD
View
Price last confirmed 12 days ago
Most Expensive
NZ Jewellers
c267e8ba-927e-4014-893b-e67ef534324c · Sep 28
$8,134 AUD
$5,714 USD
View
Price last confirmed 34 days ago
16 more retailers have this diamond
Prices start from $3,417 AUDSave up to $3,266 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
$3,417 AUD