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Heart|Lab Grown|IGI

1.09ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG791632659

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG791632659

Diamond specifications and retailer prices

From $345 AUD
$242 USD
As of October 30, 2026
Save $1,762 AUD (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,107 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.09ct lab-grown heart diamond

This 1.09ct lab-grown heart 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 LG791632659 or 791632659. Listed at 19 retailers as of October 30, 2026, with prices from $345 to $2,107, a $1,762 spread on the same certified stone. Brilliant Earth lists it at $2,107. 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 angle37°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791632659
Dimensions6.23 × 7.09 × 4.12 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.23 mm7.09 mm1.09 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791632659
Side View
Table 60.0%Crown 37°Girdle: MED-STKPavilion 37.9°Culet: NoneDepth 58.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,107 AUD|Low: $272 AUD|High: $2,363 AUD|Avg: $1,032 AUD|-10.8%
Brilliant Earth
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
November 1, 2026
Retailer 4$345 AUD
Retailer 6$426 AUD
Retailer 12$541 AUD
Retailer 9$658 AUD
Retailer 2$711 AUD
Retailer 14$825 AUD
Retailer 13$827 AUD
Retailer 11$920 AUD
Retailer 10$936 AUD
Retailer 7$987 AUD
Retailer 3$1,306 AUD
Retailer 8$1,542 AUD
Retailer 5$1,776 AUD
Brilliant Earth$2,107 AUD

38 data points across 14 retailers

19 retailers$345 AUD to $2,107 AUD

Retailer 1
-
$309 AUD
$217 USD
Price last confirmed 24 days ago
A
Retailer 2
-
$345 AUD
$242 USD
View
Final sale: no returns
Retailer 3
-
$380 AUD
$267 USD
View
Price last confirmed 33 days ago
Retailer 4
-
$383 AUD
$269 USD
View
Price last confirmed 20 days ago
Retailer 5
-
$383 AUD
$269 USD
View
Price last confirmed 29 days ago
Retailer 6
-
$420 AUD
$295 USD
View
Price last confirmed 37 days ago
A
Retailer 7
-
$541 AUD
$380 USD
View
A
Retailer 8
-
$658 AUD
ZAR 7,466 ZAR
View
A
Retailer 9
-
$711 AUD
£393 GBP
View
A
Retailer 10
-
$825 AUD
$580 USD
View
A
Retailer 11
-
$827 AUD
$581 USD
View
B+
Retailer 12
-
$920 AUD
$646 USD
View
B+
Retailer 13
-
$936 AUD
View
B+
Retailer 14
-
$987 AUD
$693 USD
View
Retailer 15
-
$1,231 AUD
$865 USD
View
Price last confirmed 27 days ago
B+
Retailer 16
-
$1,306 AUD
$918 USD
View
B+
Retailer 17
-
$1,542 AUD
£853 GBP
View
B
Retailer 18
-
$1,776 AUD
$1,248 USD
View
Most Expensive
B
Brilliant Earth
18984687A · Oct 31
$2,107 AUD
$1,480 USD
View
18 more retailers have this diamond
Prices start from $345 AUDSave up to $1,762 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 Heart
$345 AUD