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Heart|Lab Grown|IGI

1.09ct E FL Heart Lab Grown Diamond

ID • E/FL • IGI LG816624115

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG816624115

Diamond specifications and retailer prices

From $460 AUD
$323 USD
As of October 30, 2026
Save $2,359 AUD (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,819 AUD at Brilliant Earth · As of October 30, 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816624115 or 816624115. Listed at 19 retailers as of October 30, 2026, with prices from $460 to $2,819, a $2,359 spread on the same certified stone. Brilliant Earth lists it at $2,819. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816624115
Dimensions7.04 × 6.46 × 4.07 mm
L/W Ratio1.09
Girdle conditionFaceted
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
7.04 mm6.46 mm1.09 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816624115
Side View
Table 57.0%Crown 35.6°Girdle: STK-THKPavilion 38.7°Culet: NoneDepth 57.8%

Caratlytics Score

How it works →
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: $2,819 AUD|Low: $458 AUD|High: $3,289 AUD|Avg: $1,505 AUD|-14.3%
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
October 31, 2026
Retailer 4$460 AUD
Retailer 6$713 AUD
Retailer 11$723 AUD
Retailer 8$726 AUD
Retailer 2$834 AUD
Retailer 12$879 AUD
Retailer 7$905 AUD
Retailer 14$955 AUD
Retailer 3$1,143 AUD
Retailer 9$1,300 AUD
Retailer 5$1,714 AUD
Retailer 10$2,061 AUD
Retailer 13$2,107 AUD
Brilliant Earth$2,819 AUD

34 data points across 14 retailers

19 retailers$460 AUD to $2,819 AUD

A
Cheapest Retailer
-
$460 AUD
$323 USD
Final sale: no returns
Retailer 2
-
$575 AUD
$404 USD
View
Price last confirmed 23 days ago
Retailer 3
-
$645 AUD
$453 USD
View
Price last confirmed 32 days ago
Retailer 4
-
$705 AUD
$495 USD
View
Price last confirmed 36 days ago
Retailer 5
-
$713 AUD
$501 USD
View
Price last confirmed 19 days ago
Retailer 6
-
$713 AUD
$501 USD
View
Price last confirmed 28 days ago
A
Retailer 7
-
$723 AUD
$508 USD
View
A
Retailer 8
-
$726 AUD
$510 USD
View
A
Retailer 9
-
$834 AUD
€558 EUR
View
B+
Retailer 10
-
$879 AUD
ZAR 9,974 ZAR
View
B+
Retailer 11
-
$905 AUD
£500 GBP
View
B+
Retailer 12
-
$955 AUD
$671 USD
View
B+
Retailer 13
-
$1,143 AUD
$803 USD
View
B+
Retailer 14
-
$1,300 AUD
$913 USD
View
B
Retailer 15
-
$1,714 AUD
$1,204 USD
View
B
Retailer 16
-
$2,061 AUD
£1,140 GBP
View
B
Retailer 17
-
$2,107 AUD
$1,480 USD
View
Retailer 18
-
$2,295 AUD
$1,612 USD
View
Price last confirmed 31 days ago
Most Expensive
B
Brilliant Earth
21018290A · Oct 30
$2,819 AUD
$1,980 USD
View
18 more retailers have this diamond
Prices start from $460 AUDSave up to $2,359 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
$460 AUD