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 $28,328 USD
As of October 26, 2026
Save $16,160 USD (36%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $44,488 USD at MOH London · As of November 1, 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 $28,328 to $44,488, a $16,160 spread on the same certified stone. MOH London lists it at $44,488. 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
Color
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

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 26
Current: $44,488 USD|Low: $28,328 USD|High: $89,584 USD|Avg: $53,108 USD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 4$28,328 USD
Retailer 2$29,199 USD
MOH London$44,488 USD
Retailer 3$70,302 USD
Retailer 5$89,584 USD

8 data points across 5 retailers

5 retailers$28,328 USD to $44,488 USD

B+
Cheapest Retailer
-
$28,328 USD
B+
Retailer 2
-
$29,199 USD
View
Most Expensive
B
MOH London
LG828681284 · Nov 1
$44,488 USD
£35,030 GBP
View
2 more retailers have this diamond
Prices start from $28,328 USDSave up to $16,160 USD

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
$28,328 USD