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Heart|Lab Grown|IGI

5.09ct D FL Heart Lab Grown Diamond

EX • D/FL • IGI LG828681284

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG828681284

Diamond specifications and retailer prices

From $40,328 AUD
$28,328 USD
As of October 26, 2026
Save $23,345 AUD (37%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $63,673 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 5.09ct lab-grown heart diamond

This 5.09ct lab-grown heart sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG828681284 or 828681284. Listed at 5 retailers as of October 26, 2026, with prices from $40,328 to $63,673, a $23,345 spread on the same certified stone. MOH London lists it at $63,673. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

5.09
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828681284
Dimensions10.24 × 12.12 × 7.06 mm
L/W Ratio1.18
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
10.24 mm12.12 mm5.09 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828681284
Side View
Table 59.0%Crown 34.7°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 58.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 26
Current: $63,673 AUD|Low: $40,328 AUD|High: $127,532 AUD|Avg: $75,783 AUD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 29, 2026
Retailer 4$40,328 AUD
Retailer 2$41,568 AUD
MOH London$63,673 AUD
Retailer 3$100,081 AUD
Retailer 5$127,532 AUD

7 data points across 5 retailers

5 retailers$40,328 AUD to $63,673 AUD

B+
Cheapest Retailer
-
$40,328 AUD
$28,328 USD
B+
Retailer 2
-
$41,568 AUD
$29,199 USD
View
Most Expensive
B
MOH London
LG828681284 · Oct 29
$63,673 AUD
£35,218 GBP
View
2 more retailers have this diamond
Prices start from $40,328 AUDSave up to $23,345 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.

B+
5.09ct Heart
$40,328 AUD