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Heart|Lab Grown|IGI

1.09ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG846663964

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG846663964

Diamond specifications and retailer prices

From $438 AUD
As of November 4, 2026
Save $2,627 AUD (86%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,065 AUD at Brilliant Earth · As of November 4, 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG846663964 or 846663964. Listed at 13 retailers as of November 4, 2026, with prices from $438 to $3,065, a $2,627 spread on the same certified stone. Brilliant Earth lists it at $3,065. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846663964
Dimensions6.36 × 6.95 × 4.20 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
6.36 mm6.95 mm1.09 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846663964
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.4%

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: Nov 4
Current: $3,065 AUD|Low: $438 AUD|High: $4,077 AUD|Avg: $1,247 AUD|-24.8%
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
November 4, 2026
Retailer 4$438 AUD
Retailer 8$507 AUD
Retailer 2$556 AUD
Retailer 6$741 AUD
Retailer 11$758 AUD
Retailer 5$813 AUD
Retailer 13$882 AUD
Retailer 12$979 AUD
Retailer 7$1,665 AUD
Retailer 10$1,742 AUD
Retailer 3$2,167 AUD
Retailer 9$2,170 AUD
Brilliant Earth$3,065 AUD

8 data points across 13 retailers

13 retailers$438 AUD to $3,065 AUD

A
Cheapest Retailer
-
$438 AUD
A
Retailer 2
-
$507 AUD
View
A
Retailer 3
-
$556 AUD
View
A
Retailer 4
-
$741 AUD
View
A
Retailer 5
-
$758 AUD
View
Retailer 6
-
$813 AUD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$882 AUD
View
B+
Retailer 8
-
$979 AUD
View
B
Retailer 9
-
$1,665 AUD
View
B
Retailer 10
-
$1,742 AUD
View
B
Retailer 11
-
$2,167 AUD
View
B
Retailer 12
-
$2,170 AUD
View
Most Expensive
B
Brilliant Earth
22319521A · Nov 4
$3,065 AUD
$2,150 USD
View
12 more retailers have this diamond
Prices start from $438 AUDSave up to $2,627 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
$438 AUD