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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 €25,356 EUR
$28,328 USD
As of October 26, 2026
Save €14,678 EUR (37%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €40,035 EUR 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 €25,356 to €40,035, a €14,678 spread on the same certified stone. MOH London lists it at €40,035. 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

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 26
Current: €40,035 EUR|Low: €25,356 EUR|High: €80,186 EUR|Avg: €47,649 EUR|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 29, 2026
Retailer 4€25,356 EUR
Retailer 2€26,136 EUR
MOH London€40,035 EUR
Retailer 3€62,926 EUR
Retailer 5€80,186 EUR

7 data points across 5 retailers

5 retailers€25,356 EUR to €40,035 EUR

B+
Cheapest Retailer
-
€25,356 EUR
$28,328 USD
B+
Retailer 2
-
€26,136 EUR
$29,199 USD
View
Most Expensive
B
MOH London
LG828681284 · Oct 29
€40,035 EUR
£35,218 GBP
View
2 more retailers have this diamond
Prices start from €25,356 EURSave up to €14,678 EUR

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
€25,356 EUR