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Round|Natural|GIA

1.09ct E IF Round Natural Diamond

EX • E/IF • GIA 3545004066

Certificate GIA 3545004066

Diamond specifications and retailer prices

From $11,091 AUD
€7,420 EUR
As of October 29, 2026
Save $8,623 AUD (44%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $23,848 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 3545004066. Listed at 20 retailers as of October 26, 2026, with a 78% 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
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 3545004066
Dimensions6.54 × 6.59 × 4.11 mm
L/W Ratio1.01
Top View
6.54 mm6.59 mm1.09 ctE / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3545004066
Side View
Table 56.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.6%

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 29
Current: $13,067 AUD|Low: $11,091 AUD|High: $19,899 AUD|Avg: $13,721 AUD|+4.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 29, 2026
Retailer 4$11,091 AUD
Retailer 8$11,568 AUD
Retailer 2$12,210 AUD
Retailer 9$12,729 AUD
Retailer 14$12,933 AUD
Retailer 3$13,040 AUD
Retailer 16$13,040 AUD
Retailer 12$13,057 AUD
Retailer 1$13,067 AUD
Retailer 6$13,261 AUD
Retailer 7$13,527 AUD
Retailer 5$14,167 AUD
Retailer 15$14,447 AUD
Retailer 10$14,948 AUD
Retailer 13$17,049 AUD
Retailer 11$19,714 AUD

38 data points across 16 retailers

20 retailers$11,091 AUD to $19,714 AUD

A
Cheapest Retailer
-
$11,091 AUD
€7,420 EUR
A
Retailer 2
-
$11,250 AUD
View
A
Retailer 3
-
$12,210 AUD
$8,577 USD
View
A
Retailer 4
-
$12,729 AUD
£7,040 GBP
View
A
Retailer 5
-
$12,933 AUD
$9,085 USD
View
A
Retailer 6
-
$13,040 AUD
$9,160 USD
View
A
Retailer 7
-
$13,040 AUD
$9,160 USD
View
Final sale: no returns
Retailer 8
-
$13,057 AUD
View
Price last confirmed 8 days ago
A
Retailer 9
-
$13,067 AUD
£7,227 GBP
View
A
Retailer 10
-
$13,527 AUD
View
A
Retailer 11
-
$14,167 AUD
£7,836 GBP
View
Retailer 12
-
$14,259 AUD
$10,016 USD
View
Price last confirmed 23 days ago
A
Retailer 13
-
$14,344 AUD
$10,076 USD
View
A
Retailer 14
-
$14,447 AUD
$10,148 USD
View
Retailer 15
-
$14,478 AUD
$10,170 USD
View
Price last confirmed 32 days ago
A
Retailer 16
-
$14,948 AUD
€10,000 EUR
View
Retailer 17
-
$16,453 AUD
$11,557 USD
View
Price last confirmed 22 days ago
Retailer 18
-
$17,049 AUD
ZAR 193,473 ZAR
View
Price last confirmed 9 days ago
B+
Retailer 19
-
$19,714 AUD
£10,904 GBP
View
Most Expensive
NZ Jewellers
81a00340-c187-4661-873f-bd0a8d626560 · Sep 28
$23,848 AUD
$16,752 USD
View
Price last confirmed 33 days ago
19 more retailers have this diamond
Prices start from $11,091 AUDSave up to $8,623 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
$11,091 AUD